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Check out the best and worst vegetables to eat on the keto diet! Cream cheese, fresh cheeses, or cheese spreads are fine in moderation. Browse all of our keto snack recipes here! Salad dressings with vinegar, oil, salt, dry spices, herbs, or grated cheese. Check out the best keto-friendly condiments to buy! What are some good keto diet recipes? Start off right with yummy keto appetizers. Make your mid-day meal delicious and nutritious or fast until dinner! Browse these dinner ideas your whole family will love. Curb your sweet tooth with sugar-free desserts. Cook meals up in a snap with Instant Pot recipes. Can’t decide? Check out all Hip2Keto recipes! Need weekly meal plan ideas? I’ve got ya covered over HERE! Disclaimer: At Hip2Save, we are not doctors, and while we’re so excited about sharing our experience with the ketogenic lifestyle, please partner with your trusted healthcare professionals for optimal health. “Both alcoholic ketoacidosis and diabetic ketoacidosis create medical emergencies due to the rapid change in the body’s acid-base balance,” Dr. Gonzalez-Campoy says. Common complications of diabetic ketoacidosis include very low blood sugar, or hypoglycemia, and swelling of the brain (cerebral edema). As such, when a person is in ketoacidosis, there is such a high level of ketones produced that can push a person into cardiac arrest (heart attack) or kidney failure. Hence, the very important reason for taking occasional keto breaks go give your body a bit more nourishing carbs. The ketogenic diet was originally formulated by doctors to help treat people with epilepsy, and it was found especially effective in children who didn’t respond to medication.1,2 Indeed, the keto diet has been found to reduce the frequency and intensity of seizures, which are common complications of this condition. This high fat/low carb diet may also help improve certain other neurological disorders like Alzheimer’s disease and Parkinson’s disease,3 according to the Epilepsy Foundation. Too much omega-6 fatty acids can be inflammatory, so avoid sources of high omega-6s, such as grains and vegetable oils like corn oil or sunflower oil. Focus mostly on omega-3s from fish like trout, salmon, and sardines or take a high-quality fish oil supplement like krill oil. Also, be mindful of nuts and seeds because they do contain some carbs, especially pistachios and almonds. The quality of your dietary fat on keto makes a huge difference in the results you’ll see. It’s essential to learn which sources of fat are really considered healthy and safe to eat on keto. We covered this in great detail in this guide. Saturated fat has been shown to improve HDL and LDL cholesterol levels - both the good and bad cholesterol markers - and it can also fortify bone density and support your immune system and hormones. When you whip up a few keto recipes, you’ll probably be cooking with one of the items listed above.|To that end, most keto dieters try to keep daily carb intake between 20 to 50 grams. Considering there are roughly 6 grams of carbohydrates in one medium-sized carrot or a serving of plain Greek yogurt, keto meal planning requires forethought. It’s not as simple as swapping morning toast for a few strips of bacon. Since going keto can get complicated, one Redditor even created a keto food pyramid that he encourages people on the diet to print out and put on their fridge. Eggs, including the yolks. Oils, especially those containing healthy mono and polyunsaturated fats (like olive oil). This is critical because relying too much on more saturated fats from dairy and meat can cause digestion issues and hurt your heart. Avocados, another great source of monounsaturated fats. Cauliflower: Theveggie is low in carbs and high in dietary fiber, so many keto dieters use it as a substitute for bread, pasta, and crusts. Berries, especially blackberries and raspberries. A ketogenic diet requires that fat comprise 60 to 80 percent of your total calories. Protein makes up about 20 percent, while 10 percent comes from carbs. Generally speaking, it’s best to keep carb intake between 20-30 grams per day in order to maintain ketosis. That’s the equivalent of about half a medium bagel. If this sounds like Atkins, it’s close, but “ketogenic diets tend to be more severe in carb restriction and have a more moderate protein restriction,” says Spencer Nadolsky, D.O., author of The Fat Loss Prescription. Though you can eat bacon on a ketogenic diet, the rest of the spectrum is limited. Starchy vegetables like potatoes, corn, and squash are too high in carbs. Same with most fruits. Milk, beans, rice, pasta, bread: nope. However, bacon is still heavily processed and has been linked to an increased risk of cancer and heart disease, so you may not want to eat it at every meal. To stay as healthy as possible, keto dieters should eat plenty of low-carb vegetables like red bell pepper, kale and cauliflower. Whereas most keto dieters focus on meat, eggs, vegetables, and healthy fats, dirty keto dieters will eat anything as long as they can keep their carbs down. Do you count sugar alcohols on keto? It’s up to you. Erythritol, a common ingredient in keto-friendly baking, has a negligible impact on blood sugar and insulin levels, so it shouldn’t disrupt ketosis. Other sugar alcohols (sweeteners ending in -ol, like sorbitol and xylitol) are similar. In that sense, they don’t count against your carb limit. The one exception is malitol, which has a slightly higher glycemic index (a measure of a food’s effect on blood sugar), though it’s still well below table sugar. Many keto dieters choose to disregard the carbs in sugar alcohols. Diabetics are often advised to count half the carbs. Remember, though, even if you decide the carbs don’t count, consuming too many keto-fied desserts can still negatively affect your health and body composition goals. The calories in keto-friendly cookies, cakes, muffins, and the like do still matter. There's no denying that the ketogenic diet (keto for short) is the hottest new nutrition trend. And although it's still controversial among dietitians, doctors, and other nutrition experts, there is some scientific research to back it up. In fact, a study published in the International Journal of Environmental Research and Public Health found that following a ketogenic diet can help control hunger levels and improve metabolic rate. If you want in on these weight-loss benefits, you need to make sure you are adhering to the diet's key principles, which begins by stocking up on the best keto diet foods. First and foremost, the keto diet is all about ratios: you want to make sure that carbohydrates make up 10 percent or less of your total caloric intake, with 15-25 percent from protein, and the remainder from healthy fats. Eating in this manner will help your body achieve ketosis, a metabolic process that occurs when the body resorts to burning fat for fuel, which only happens when glucose reserves are depleted.
There are many different ways to follow a keto diet. Here are the four of the most common. This standard ketogenic diet is one of the most researched versions of the keto diet and is what we’re referring to throughout this article (although, the same principles we’ve discussed apply to most of the other forms). The SKD generally includes 5 percent carbs, 20 percent protein and 75 percent fat. The targeted ketogenic diet allows you to add extra carbs around workouts, surpassing the SKD 5 percent carb rule, and may be a better option for those who are extremely active and train more than twice per week. The easiest way to see if this is working for you is to keep testing your ketone levels when you add carbs after workouts and make sure that they don’t kick you out of ketosis. The high protein ketogenic diet is close to the standard ketogenic diet, but with a higher ratio of protein. There’s a question making the rounds on the internet that has a spectrum of answers: Is the keto diet healthy? The truth is, while the little-to-no carb, high-fat diet can dramatically help shed pounds, there haven’t been any long-term, randomized clinical studies to help determine the long-term effects on the body. Most studies to date are smaller scale, and they’re filled with both positives and negatives. Some suggest it improves blood sugar in diabetics and lessens cardiovascular risk factors, like obesity. Others report spikes in “bad” cholesterol, heart problems, and hypoglycemia. To add to the uncertainty, its effectiveness as a weight loss treatment hasn’t even been clinically proven, experts have said. What’s left is anecdotal evidence and people from all corners of the web - including physicians, nutritionists, and celebrities - raving or ranting about it. “I am open-minded when patients come to us with diets or nutritional trends, especially because I appreciate that they have taken an interest in their health,” said Neel Chokshi, MD, MBA, an associate professor of clinical medicine and medical director of the Sports Cardiology and Fitness Program at Penn Medicine. The ketogenic diet - better known as “keto” - is having a bit of a moment right now. It’s been wildly popular on social media in recent weeks, and Google searches for keto-related terms have skyrocketed since the new year; celebrities the likes of Tim Tebow and Kourtney Kardashian have touted it as a detox, or a “reset button” for the body. The idea is that you can lose weight by replacing the body’s typical go-to energy source - carbs - with fats. That means its followers are downing things like whipped cream, mayonnaise, butter, and cheese. If that sounds too good to be true, that’s because, well, it just might be. We talked to an expert about how it works, how it’s done, and whether or not it’s worth a try. What exactly is a ketogenic diet? The keto diet is an eating plan that consists of 80 percent fat and little to no carbohydrates.
The reason less fat is burned on a ketogenic diet is presumably the same reason people who start fasting may start burning less fat: Without carbohydrates, the preferred fuel, our bodies start burning more of our own protein. Inadequate intake of 17 micronutrients has been documented in those on ketogenic diets. Children have gotten scurvy, and some have even died from deficiency of the mineral selenium, which can cause sudden cardiac death. Bone fractures disproportionately plague children on ketogenic diets, along with growth stunting and kidney stones, and constipation is a frequently cited side effect. Keto diets have also been shown to reduce the richness and diversity of our gut flora, and all of that saturated fat can have a profound impact on the heart: A meta-analysis of four cohort studies following the diets, diseases, and deaths of more than a quarter million people found that those who eat lower-carb diets suffer a significantly higher risk of all-cause mortality, meaning they live, on average, significantly shorter lives. Image Credit: maglara / Adobe stock. This image has been modified. That means two-thirds experienced no symptoms at all. Important: For people who do experience the keto-flu, it's most likely you'll notice them during the first 24 to 48 hours of starting the keto diet, says Keatley. On average symptoms will last between a few days to a week. However, in rare cases, symptoms can last up to a month. See a doctor if you are still feeling under the weather after a week or two of starting the diet. The good news is that there are measures you can take before and during keto to avoid and treat keto flu symptoms. Going keto puts you at an increased risk of dehydration. That's because you may need to go to the bathroom more as your body burns ketones instead of carbs. Even being mildly dehydrated will cause or exacerbate keto flu symptoms like fatigue and dizziness, says Shemek. Therefore, it's important to drink plenty of water throughout to replenish lost fluids. Quick tip: An easy way to check on your hydration levels is to check the color of your urine.
If you have something that is a carbohydrate on top of everything else you eat, that will put you over your allowance and you might not get into ketosis. Where most people fail at keto is they go through their day trying to follow the diet, then reach the evening, and realize they didn’t have enough fat and have to drink heavy cream to make up for it. What you should do instead is front load as much of your fat as possible during “breakfast.” For me, that means having four cups of a keto coffee as I work in the morning. That’s usually black tea or coffee with 1 tbsp of butter, ghee, or MCT oil in it. If you want to mix it up a bit, I also like to have mushroom coffee with any of those fats in it, and you can also try MCT oil powder if the normal oil gives you disaster pants. “You can get away with a high intake of dietary fats (including saturated fats) without the negative impact on risk factors for cardiovascular disease (specifically, particle size of LDL and triglycerides) only when these foods are not consumed in conjunction with refined carbs and sugars,” explains Devine. In her view, going back and forth will cause more harm than benefit over time. Experts also caution about the risks to your emotional health with keto cycling. “Starting keto with the idea that you can go off plan whenever you want and just jump right back in when you feel like it may be counterproductive for your weight, overall health and quality of life, explains Spritzler. Devine also notes that chronic yo-yo dieters may become less successful over time. In her experience, each keto hiatus can become longer and longer and as a result, it’s likely you’ll put the weight back on.
It’s linked to genetics, but also to diet-particularly sugar and refined carbs-as well as obesity and inactivity. Diabetes experts estimate that the disease speeds up the aging process by roughly a third, damaging the body from the inside out. Too much blood sugar slowly destroys blood vessels, with results ranging from mild-early wrinkling of skin-to catastrophic: heart disease, blindness, stroke, amputations due to poor circulation, and even Alzheimer’s disease (more on that later). Noakes’ father eventually died from type-2, but because Noakes himself followed a low-fat diet, exercised regularly (he’s run upward of 70 marathons, as well as a handful of ultras), and didn’t smoke, he figured he’d be spared. To be sure, as he got older he put on some weight, and his energy sagged, but he was in good shape. Regardless, in 2010, Noakes was diagnosed with type-2 diabetes. Though he didn’t know it yet, a lifetime of well-intentioned carbo- loading for his athletic endeavors had set him up for a fall. A recent review published in the Journal of Clinical Lipidology looked at how low-carbohydrate (10 to 25 percent of total daily calories from carbs) and very low-carb diets (less than 10 percent of total daily calories from carbs, including the ketogenic diet) affected body weight and other cardio-metabolic risk factors, such as blood lipids, glycemic control, and high blood pressure. What the National Lipid Association found was that following a very low-carb diet, such as keto, for an extended period of time had no long-term advantages. What’s more, the keto diet and other carb-restrictive diets actually may severely restrict nutrient-dense foods that can offer cardio-metabolic benefits, explained co-authors Carol Kirkpatrick, Ph.D., R.D.N., Director and Clinical Associate Professor at Idaho State University, and Kevin C. Maki, Ph.D., C.L.S., Adjunct Professor in the Department of Applied Health Sciences at the School of Public Health at Indiana University Bloomington. The review found that while those following keto diets may see more short-term weight loss than those following low-fat diets, after 12 months or more, there is no difference in weight loss.|Besides constipation, crabbiness, and making it difficult for others to make plans with you, keto may lead to other health concerns too. Since research has yet to follow participants for more than a year, it's difficult to say with certainty that other problems (like an increase in LDL "bad" cholesterol) won't arise as well. But the real reason why keto plans fail most of us is that they're not sustainable for the long term. Holidays, vacations, work functions … Any diet that's as extreme as keto - to the point where it's often implemented under the supervision of an entire medical team - won't translate into everyday life. And when it backfires (as it always does), the shame and feelings of inadequacy hit us even harder when we've put so much darn work into it. It's for that last reason alone that I don't recommend the keto diet. It can be so downright discouraging when we "fall off the wagon" that it seems completely pointless to eat healthier at all. Keto diets rely on an extreme technique to (temporarily) move the scale down a few pounds, and basically eliminates all joy associated with eating real food and living life. Since restriction for life is downright impossible: Cut back on ultra-processed, high-carb foods like sugary beverages and tons of refined grains, and fill up on more nutritious carb choices, like veggies, fruit, legumes, low-fat dairy, and 100% whole grains to maximize long-term weight loss, health, and happiness. Want to see what that looks like? Check out this seven-day, 1800-calorie meal plan developed to help you lose weight safely and sustainably. Understandably, readers had a lot to say in response to this piece. You can learn more about Jackie's reasoning and see her replies to the top comments in support of keto here. On your “days off,” your allowed macronutrient ratio is 25% fat, 25% protein, and 50% carbohydrates. The most common cyclical keto diet has you follow the traditional keto diet from Sunday to Thursday. Then, on Friday and Saturday, you can enjoy carb-heavy meals. On your days off, you may get your carbs from high-carb fruits, starchy vegetables, dairy products, and whole grains. However, as long as a beer or cake fits into your macros, you can consume whatever you want. 10. Can I Drink on the Keto Diet? This is tricky. The keto diet, and all of its variations, is based on three macronutrients. Fat has nine calories per gram. Protein and carbohydrates have four calories per gram each. Fitting alcohol into your macros is difficult because it has seven calories per gram. Moreover, unless you’re sipping straight liquor, alcoholic beverages contain carbohydrates, too. At the end of the day, you can fit alcohol into any variation of the keto diet. Meaning: Research on choosing fats in the context of a high-fat diet is scarce. What’s clear is that sources of unsaturated fat are still recommended over saturated fats, says Keatley, even though both are considered keto-friendly. These unsaturated fats have been shown to be anti-inflammatory and heart-healthy. That only adds to the potential anti-inflammatory properties of the diet. In a study, people following the ketogenic diet for eight weeks experienced a shift in the gut microbiome that reduced inflammation, likely due to the ketone bodies produced during ketosis, per research published in June 2020 in the journal Cell. That said, research is also conflicting. In a small study, published in June 2019 in the journal Obesity, switching to a keto diet was associated with higher inflammatory markers and cholesterol. More data needs to be accumulated to determine the effects that a keto diet, as well as the specific fats eaten, has on one’s health. You can eat higher-fat foods that contain protein, like bacon and sausage, but you’re better off adding fat to foods, says Keatley, as it’s easier to control. The first few days are extremely difficult as your body tries to acclimate to such a low level of carbs. During this adjustment to burning fat instead of glucose, the side effects will make you feel awful; hence the term, keto flu. You’ll need to prepare meals ahead and take them with you since you are confined to eating specific foods. Use Fat Wisely Rather Than Excessively. While the keto diet means your food choices are geared to a low carb/high fat intake, it does not mean adding fat to everything you eat. You do not need to fall for one of the most trendy keto tricks- adding a pat of butter to your coffee. This might be useful at the very beginning as you transition away from a high carb diet but should not be continued once you are past the initial shift once your body has adapted to this new eating rhythm.
One day you’re eating cereal, sandwiches, and pasta, and the next you decide to hop on keto and eat only 20 grams (g) of carbohydrates a day, which is often the recommended amount to start with. That may be a drastic change for your body. Consider easing in. “Prior to starting a keto diet, individuals may benefit from tapering down their carbohydrate intake, instead of reducing carbs cold turkey,” says Lara Clevenger, a ketogenic dietitian-nutritionist with a private practice in New Smyrna Beach, Florida. For all the focus on what you’re eating, don’t forget about what you’re sipping. Dehydration is an increased possibility on keto. “The drastic decrease in carbohydrate intake on the ketogenic diet can cause shifts in your fluid and electrolyte balance. Carbs are stored along with water in the body, so as these stores are depleted, that water is lost along with them,” says Alyssa Tucci, RDN, nutrition manager at Virtual Health Partners in New York City. To set up the body for the benefits of keto-adaptation, we consume a healthy, rather than restrictive, amount of calories within the following macronutrient profile that includes ample vegetable intake, moderate protein amount and quality fats with a focus on carb content at around 50 grams for most people. The carb-heavy Standard American Diet is an evolutionary aberration. The constant drip of glucose into our blood is a modern luxury (or, more to the point physiologically-speaking, a modern burden). For most of human history, if we wanted carbs, we had to climb a tree and extricate a bee’s nest, spend hours digging tubers, or wait around for the wild fruit to ripen. We are designed for periods of low food availability, and, especially, low glucose availability. In short, we’re wired to favor fat and ketone burning. Plus, humans are remarkably good at slipping into ketosis. Whereas for most other animals ketosis is difficult to achieve, a human will be mildly ketotic just waking up from a full night’s sleep. Targeted ketogenic diet (TKD): This eating plan simply tells you to follow the keto diet BUT allows you to add carbs around workouts. So on the days you exercise, you will be eating carbohydrates. Restricted ketogenic diet (RKD): Designed to treat cancer, this ketogenic meal plan restricts calories as well as carbohydrates. Some studies indicate that calorie restriction and ketosis may help treat cancer. High-protein ketogenic diet (HPKD): This version of the keto diet is often followed by folks who want to preserve their muscle mass like bodybuilders and older people. Rather than protein making up 20 percent of the diet, here it’s 30 percent. Meanwhile, fat goes down to 65 percent of the diet and carbs stay at 5 percent. Vegan ketogenic diet or vegetarian diet: Yes, both are possible. Instead of animal products, plenty of low-carb, nutrient-dense vegan and/or vegetarian foods are included. Nuts, seeds, low-carb fruits and veggies, leafy greens, healthy fats and fermented foods are all excellent choices on a plant-based keto diet. Uptick is a periodic feature that investigates fads, follies and fetishes new and old that are spurring conversation. The hype: Who would have guessed that a high-fat diet that encourages you to double-down on veal shanks and blue cheese would kick up much of a fuss? Kidding! With a nudge from Hollywood and Silicon Valley influencers, the explosively popular ketogenic diet (better known as keto) is the latest low-carb regimen (see Atkins, Paleo, South Beach) to promise a beach-worthy physique with a side order of bacon. Up or down: Trending up, way up. Elevator pitch: Think of it as streamlined Atkins. That low-carb diet, developed by Dr. Robert Atkins in the 1970s, urged followers to gorge on steak and eggs until they achieved ketosis: a state in which the body theoretically burns fat for energy. But it was anything but simple. Devotees had to follow four calibrated stages, starting with quitting carbs cold-turkey, before methodically adding back the apples and brown rice (later variations are less structured). According to Craig Clarke, a keto evangelist and author, the keto diet cuts out the phases but never eases up on the carbs, limiting them to a mere 5 percent of a person’s daily calorie intake (compared to the 50 to 65 percent in the typical American diet). In theory, this hard-line approach turns the body into fat-burning furnace that can smolder for years.|Watch the extra pounds fly off and your muscles firm up with the BetterMe app! What To Eat On A Keto Diet? If you’ve decided to follow a keto diet, then you should know that there are specific foods that are to be avoided in order to stay in ketosis and lose weight effectively. A keto diet restricts more than 100 foods that can lead to metabolism slow-down and limit the fat-burning abilities of the body. Let’s find out what foods are to be included and avoided to get yourself on track for success. The best thing about the keto diet is that it reduces hunger pangs since you are eating high-fat foods that promote a feeling of satiety (2). This low-carb diet is nutritious, so snacking is The low-carb diet is nutritious but due to the high-fat content of foods, regular snacking is not a good idea as it may lead to overconsumption of calories.
A person’s experience depends on many factors like metabolic flexibility, health status, and lifestyle. The adaptation period depends a lot on your metabolic flexibility which is how well you can adapt to using different fuel sources (i.e., carbs, fats, protein, and ketones). How To Reduce The Symptoms Of Keto Flu? Drink plenty of water (with a pinch of crude salt.) It’s extremely important to stay hydrated during the day, especially, during the transition period in order to avoid keto flu. Supplement your diet with sodium, potassium, and magnesium. This will help you to replace electrolyte loss, therefore reduce the symptoms of keto flu. Do regular low-intensity workouts in the morning (swimming, yoga, jogging). When you work out, you force your body to look for an alternative source of energy. Your liver then produces more ketones, and your body adjusts to the new source of fuel. Remember that stress, high-intensity exercises, and eating too much protein can make the process of keto-adaptation harder. THERE'S NO shortage of trendy fad diets out there. There's Whole30 and Noom. There's something called the Coffee Diet and another thing called the Sirtfood Diet. There are soup-based diets and cabbage-based diets and so many diets that it can feel like the world needs a way to lose a lot of these excess diets: a diet for diets. So let us, for the purposes of popularity, look at just two of the most of-the-moment diets right now: the Keto diet and the Paleo diet. These two diets, despite the divisiveness between the camps who claim that each of these diets are the most effective, actually have a lot of things in common. They focus on three macronutrients: fat, protein, and carbohydrates. They involve closely tracking those three macronutrients. They can, at least in the short-term, provide some pretty powerful weight-loss results. All that said, both diets are also highly restrictive, and will eliminate or drastically reduce some of your favorite foods (say goodbye to deep-dish pizza). The ketogenic diet has been around for a LONG time. It’s popular. It’s controversial. Some love it. Some hate it. Some even say it can help your blood sugars stay in better control. After thoroughly reviewing the scientific literature and trying the ketogenic diet myself for over 6 months, I am ready to unfold everything you’ve been hearing and let you decide for yourself what you think about the diet that has taken the world and diabetes community by storm. What is a ketogenic diet? What the science says… This guide is relevant for people with any type of diabetes. I will mainly talk about insulin when I discuss how a keto diet affects blood sugar, but some studies also show a possible reduction in certain type 2 medications. Disclaimer: Please always consult with your medical team before you start a new diet, adjust your medication or change your diabetes management routine. What is a ketogenic diet? Once upon a time, keto was the original “diabetes diet” prescribed to type 1 diabetes patients before the advent of insulin, as this would prolong their lives as it has less of an impact on blood sugar levels. 5% of your daily caloric intake from carbohydrates. By restricting your carbohydrate intake so severely, you force your body to get most of its energy from fat. A byproduct of this fat burning is the production of natural ketones in the body, hence the name of the diet. Burning ketones supplies the body with an alternative form of energy rather than quickly accessible energy from carbs (glucose) and is what makes the ketogenic diet work. IMPORTANT: natural ketones are different from the “bad” ketones that can lead to diabetic ketoacidosis (DKA).|People with diabetes who follow a keto diet need to monitor their ketone levels carefully. If levels get too high, ketoacidosis can occur. DKA is a condition wherein the levels of ketones become extremely high, poisoning the body. It is a severe and dangerous condition that can develop rapidly, sometimes within the space of 24 hours. There are several potential triggers for ketoacidosis. However, it most often occurs due to illnesses that cause higher levels of hormones that work against insulin. It can also result from problems with insulin therapy, either through missing scheduled treatments or not receiving enough insulin. Ketoacidosis most commonly occurs in people with type 1 diabetes. It can also occur in people with type 2 diabetes, though this is much less common. High levels of ketones in the urine and high blood sugar levels are both signs of ketoacidosis. A person can test for ketoacidosis using a kit at home. There’s a question making the rounds on the internet that has a spectrum of answers: Is the keto diet healthy? The truth is, while the little-to-no carb, high-fat diet can dramatically help shed pounds, there haven’t been any long-term, randomized clinical studies to help determine the long-term effects on the body. Most studies to date are smaller scale, and they’re filled with both positives and negatives. Some suggest it improves blood sugar in diabetics and lessens cardiovascular risk factors, like obesity. Others report spikes in “bad” cholesterol, heart problems, and hypoglycemia. To add to the uncertainty, its effectiveness as a weight loss treatment hasn’t even been clinically proven, experts have said. What’s left is anecdotal evidence and people from all corners of the web - including physicians, nutritionists, and celebrities - raving or ranting about it. “I am open-minded when patients come to us with diets or nutritional trends, especially because I appreciate that they have taken an interest in their health,” said Neel Chokshi, MD, MBA, an associate professor of clinical medicine and medical director of the Sports Cardiology and Fitness Program at Penn Medicine. If you’re trying out the keto diet you should take care to avoid sugary, starchy foods. Remember- carbohydrates should make up less than 5% of your entire calorie intake. Aim to have an absolute maximum of 50 grams of net carbs a day, but aim for 20 grams or less. Are there any ketogenic diet side effects? Immediately after starting the diet during the first week, some dieters may experience what is referred to as the “keto flu“. The keto flu is a term colloquially used to describe the general feelings of malaise some dieters feel at the beginning of the low-carb high-fat diet. Keto flu can be prevented or helped by focusing on getting plenty of sleep, increasing electrolyte intake, and reducing consumption of dehydrating drinks like caffeine and alcohol. But fear not! Starting out with keto has some positive benefits, too. During the initial adjustment phase most dieters report rapid weight loss - losing up to 10 lbs of body weight in 2 weeks or less. Is there actually a magic pill that will melt the fat off your body whilst eating loads of fat? Can you get fit while using this way to get slim? Firstly, you might also want to check out some of the potential keto diet side effects. While there will certainly be no carbs before Marbs, whatever that means, there will be a fair amount of protein and a whole load of healthy fat, and that is something your digestive system may need a while to adjust to. We asked Simon Jurkiw, who's not only the Product Director at Bulk Powders, but also a performance nutritionist AND a powerlifter. Should you try the keto diet? Read on and decide for yourself… What is a keto diet? A keto diet essentially forces your body to produce ketones from fat by throwing you into a state of ketosis. Yup, it really is that simple. Okay, here's the clever bit: in ketosis, your body will use fat for energy, as opposed to carbs, regardless of the source, so it will use fat from the food you eat but also fat that you have stored in your body.
The ketogenic diet essentially forces the body to use fat as its main source of energy instead. It does this by mimicking a state of starvation where the body breaks down fat stores and converts them into ketones through a biochemical process called ketosis. Reaching ketosis: Generally speaking, the ketogenic diet is composed of 70-75 percent fat, 20-25 percent protein, and 5-10 percent carbohydrates. This strict formula is the key to ensuring a person enters the metabolic state of ketosis, which isn’t necessarily easy. In fact, reaching and maintaining ketosis can be exceptionally challenging for many people and requires diligence and planning. Newbies to the keto diet may experience symptoms such as dizziness, headaches, brain fog, nausea and irritability, says Dr. Zhu. Nuts and bolts: Foods to be limited on the ketogenic diet include: whole grains; beans and legumes; starchy vegetables like yams and potatoes; high-carbohydrate fruits like apples, oranges and bananas; alcohol; sugar; and low-fat dairy products. A recent review published in the Journal of Clinical Lipidology looked at how low-carbohydrate (10 to 25 percent of total daily calories from carbs) and very low-carb diets (less than 10 percent of total daily calories from carbs, including the ketogenic diet) affected body weight and other cardio-metabolic risk factors, such as blood lipids, glycemic control, and high blood pressure. What the National Lipid Association found was that following a very low-carb diet, such as keto, for an extended period of time had no long-term advantages. What’s more, the keto diet and other carb-restrictive diets actually may severely restrict nutrient-dense foods that can offer cardio-metabolic benefits, explained co-authors Carol Kirkpatrick, Ph.D., R.D.N., Director and Clinical Associate Professor at Idaho State University, and Kevin C. Maki, Ph.D., C.L.S., Adjunct Professor in the Department of Applied Health Sciences at the School of Public Health at Indiana University Bloomington. The review found that while those following keto diets may see more short-term weight loss than those following low-fat diets, after 12 months or more, there is no difference in weight loss.|Besides constipation, crabbiness, and making it difficult for others to make plans with you, keto may lead to other health concerns too. Since research has yet to follow participants for more than a year, it's difficult to say with certainty that other problems (like an increase in LDL "bad" cholesterol) won't arise as well. But the real reason why keto plans fail most of us is that they're not sustainable for the long term. Holidays, vacations, work functions … Any diet that's as extreme as keto - to the point where it's often implemented under the supervision of an entire medical team - won't translate into everyday life. And when it backfires (as it always does), the shame and feelings of inadequacy hit us even harder when we've put so much darn work into it. It's for that last reason alone that I don't recommend the keto diet. It can be so downright discouraging when we "fall off the wagon" that it seems completely pointless to eat healthier at all. Keto diets rely on an extreme technique to (temporarily) move the scale down a few pounds, and basically eliminates all joy associated with eating real food and living life. Since restriction for life is downright impossible: Cut back on ultra-processed, high-carb foods like sugary beverages and tons of refined grains, and fill up on more nutritious carb choices, like veggies, fruit, legumes, low-fat dairy, and 100% whole grains to maximize long-term weight loss, health, and happiness. Want to see what that looks like? Check out this seven-day, 1800-calorie meal plan developed to help you lose weight safely and sustainably. Understandably, readers had a lot to say in response to this piece. You can learn more about Jackie's reasoning and see her replies to the top comments in support of keto here. For this reason, most people go in and out of ketosis because they have a hard time sticking with the diet. Plus, Kizer says, people usually jump on the keto bandwagon to lose weight, so they rarely attempt to stay in ketosis forever. The winner: Paleo. Bacon or no bacon, Paleo is a less labor-intensive diet, which makes it easier to stick to in the long run. Does Paleo or Keto have worse side effects? It's common to feel lethargic as your body adjusts to the low-carb Paleo Diet. However, your energy levels will typically be restored within a few weeks. Additionally, “while the paleo diet has plenty of protein and fiber, it is sorely lacking in calcium and vitamin D, mainly because of the omission of dairy products,” Roger Adams, Ph.D., founder of Eat Right Fitness, previously explained to Men's Health. Over time, this could weaken your bones and immune system, which makes it important to eat plenty of calcium-rich (and paleo-friendly) foods like broccoli and dark leafy greens.
Losing 0.5-1 pound per week is generally a reasonable, sustainable goal on any diet, but your pace depends on many factors. Depending on how much energy (calories) you take in, you can lose, maintain, or even gain weight on keto. The usual rules of weight loss apply-namely that you have to be using more energy than you’re consuming, and the size of the caloric deficit correlates (imperfectly) with the rate of weight loss. However, keto diets may be advantageous for weight loss due to their noted appetite-suppressing effects and favorable hormonal impacts, particularly in keeping insulin production low. Keto diets are also protein-sparing, meaning you are less apt to lose lean muscle tissue alongside fat, provided you consume adequate protein. Can you do keto while pregnant? Pregnant women need ample calories, nutrients, and protein. While some women do choose to stay keto during pregnancy, others find they feel better when they increase their carb intake. All pregnant and breastfeeding women should consult their doctor with questions or before making major dietary changes. How to get fiber on keto? Keto dieters get their fiber from the plants they consume. Fiber’s most important role is to provide fermentable “food” for our gut microbiota. Keto-friendly items like nuts, cruciferous vegetables, and avocado all deliver healthy doses of fermentable fiber for the gut. Individuals who wish to increase their fiber intake can consider adding prebiotic fiber supplements or supplementing with inulin or raw potato starch. If constipation is your concern, check whether you’re dehydrated or lacking magnesium. Does keto cause diarrhea? Any major dietary shift can cause gastrointestinal symptoms like diarrhea, bloating, or constipation. Usually, these effects are short-lived and resolve on their own within a couple weeks of starting a new diet. Keto doesn’t seem to be especially notorious for causing disaster pants. Most people transition with no issues. Let’s look closer at how the ketogenic diet can promote fat-burning and increases energy levels, plus other benefits. 2. increase fat intake. Most of us easily replenish our carb stores by eating fruit, vegetables, grains and legumes, so our carb “fuel tanks” rarely get low and we continue burning glucose for energy. This is why the ketogenic diet is known to support weight loss. Instead of starving yourself, you’re training your body to burn fat for energy. Since carbs are your body’s first choice for energy, the only way to get your body to burn fat for fuel is by getting your body into ketosis. The amount of fat your body can utilize for energy will depend on your body composition and fat percentage. Keeping your body in ketosis for prolonged periods of time teaches your body to burn fat for energy more efficiently, which is how the keto diet can reduce your overall fat mass.|There are several ways to measure ketones in your body. Elevated levels of ketones (the acetoacetate group, to be specific) can be instantly detected in your urine using strips such as KetoStrips. After dipping one of these strips into your urine stream, you’ll be able to find out which stage of ketosis you’re in based on the color guide provided. You can find keto strips at nearly any drugstore and online through Amazon. Ketone breath analyzers allow you to measure your state of ketosis by detecting acetoacetates. A popular brand is Ketonix, which is a rechargeable ketone monitor that can be used over and over again. The ketone blood monitor is the most accurate ketosis testing method. It’s a little more invasive than the other keto testing methods, as it requires a prick of blood from your finger. Test kits are around $40, and blood ketone test strips go for roughly $5 each (you’ll need one for every time you test). The main risk from any diet based on supplements is boredom, but then nobody is suggesting you live on nothing but supplements. That's why they're called 'supplements' and not 'dinner'. So, to summarise, keto diet is safe and beneficial for your health and weight loss if you are careful and mindful enough about it. The easiest way to track your keto effort is to use a nutrition-tracker app like MyFitnessPal, where you can simply set your desired macro nutrient percentage/macro split (on keto, it will most likely be 75% fat, 5% carbs and 20% protein) and scan the barcodes of the food you would like to ingest. Most importantly, as with any lifestyle change, give yourself some time to adjust. As Simon mentioned, you will see some rapid results almost straight away, but in order to keep that weight off, you'll have to stick with the diet, even if progress slows down a bit. Slowing down doesn't mean the new diet stopped working; it only means your body is re-adjusting itself to accommodate the new diet. Weight loss, or more like shedding the unnecessary extra weight, is only a side effect of a new, healthier lifestyle, which will benefit you on a long run, not only short term.|On the other hand, not eating for days doesn't sound much fun. But it turns out you don't need to starve yourself to get into ketosis. All you need to do is remove carbohydrate from the diet (not just refined carbs, such as sucrose or high fructose corn syrup, but all carbs, including complex carbs and starches too). Once the body has no source of glucose, it has to switch to ketosis because the brain needs either glucose or ketone bodies to survive. So no matter how much protein or fat you eat, the body still has to break down fat to ketone bodies to keep you going. A ketogenic diet, then, is any diet that switches your metabolism to ketosis. And the ones doing the rounds at the moment aren’t the first or the only diets to do that. It is several decades since the Atkins Diet rose to prominence - and I witnessed first-hand the weight loss some friends achieved on Atkins. The Atkins diet is a ketogenic diet, because it removes carbs from the diet and replaces them with protein. The surprising finding was that Atkins followers discovered they were much less hungry than they expected, suggesting that calories from protein made you feel more satisfied for longer. Feeling fuller translates to willingly eating less, and in the end impressive weight loss. In dieting, though, there is no such thing as a free lunch (or so I thought). Adherence to the Atkins diet has side-effects, and most worrying is the impact on nitrogen balance from taking in so much protein. There is a very real risk of dehydration, and over the longer term, kidney stones from the need to excrete so much excess nitrogen as urea. So what about the 21st century version? Keto today replaces the carbs with fats rather than protein. The ketogenic diet is an ultra-low-carbohydrate, high-fat diet that has been used for decades to treat certain medical conditions. Today, adherents claim that it will help you drop pounds while boosting your energy levels and controlling your blood sugar. Its promise of fast and aggressive weight loss is a compelling one in our world of quick fixes, but the ketogenic diet can be complicated in its execution and the research of its long-term benefits and drawbacks is ongoing. “Most people’s expectations are to lose weight with this diet. However, whether this is a sustainable strategy has yet to be determined. I advocate for whole health and taking care of all aspects of it, not just dropping weight,” says Colin Zhu, DO, a family physician who specializes in lifestyle medicine. Here are five fast facts about the ketogenic diet-including its pros and cons. 1. Burning fat: On most diets, the body uses glucose as its primary energy source.
Switching over to a ketogenic diet can seem overwhelming, but it doesn’t have to be difficult. Your focus should be on reducing carbs while increasing the fat and protein content of meals and snacks. In order to reach and remain in a state of ketosis, carbs must be restricted. While certain people might only achieve ketosis by eating 20 grams of carbs per day, others may be successful with a much higher carb intake. Generally, the lower your carbohydrate intake, the easier it is to reach and stay in ketosis. This is why sticking to keto-friendly foods and avoiding items rich in carbs is the best way to successfully lose weight on a ketogenic diet. Eggs: Pastured, organic whole eggs make the best choice. Poultry: Chicken and turkey. Fatty fish: Wild-caught salmon, herring and mackerel. Meat: Grass-fed beef, venison, pork, organ meats and bison. Full-fat dairy: Yogurt, butter and cream. Department of Agriculture (USDA). Net carbs, which are an unofficial term, are defined as total carbs minus fiber and sugar alcohols, according to the website for the Atkins diet, another low-carb plan. For most people, going that low won’t be easy: The typical American woman over age 20 gets nearly 50 percent of her calories from carbs, according to the Centers for Disease Control and Prevention (CDC). For example, on a 1,400-calorie diet, this would be equivalent to about 175 g of carbs daily. Meanwhile, you’ll need to reach for lots of healthy high-fat foods, like fatty fish, avocado, olive oil, nuts, and eggs. Butter, bacon, and cheese are also allowed, though these are among the less-healthy choices for fat. The goal is to get about 70 to 80 percent of your daily calories from fats overall. That’s just part of the struggle when following keto. You’ll likely also see various side effects, especially in the first few weeks, such as headaches, fatigue, and drowsiness - all signs of the so-called keto flu. Anxiety, depression, PTSD, and other mental health issues have been shown improvement with a very low carbohydrate diet. To reduce brain fog and improve cognition. In a study from 2014, improved memory, cognition, and other ‘thinking’ aspects are correlated with a ketogenic diet. Epilepsy and seizures - historically this has been the most medically-common use of the ketogenic diet (source) For children on keto - please see this article to discuss children and keto further. Cancer, especially alongside conventional cancer treatments. Numerous studies show anti-tumor properties associated with the ketogenic diet. To balance HDL and LDL. A study from 2004 showed improved cholesterol markers in obese patients after 24 weeks on the ketogenic diet. Athletic performance, especially for endurance athletes. A 2014 study on endurance cyclists showed increase athletic performance, especially when they had been on the ketogenic diet long term, when riding for 2-5 hours. The study also showed lower muscle damage following exercise compared to those following a carb-heavy diet. Here are answers to some of the most common questions about the ketogenic diet. 1. Can I ever eat carbs again? Yes. However, it’s important to significantly reduce your carb intake initially. After the first 2 to 3 months, you can eat carbs on special occasions - just return to the diet immediately after. 2. Will I lose muscle? There’s a risk of losing some muscle on any diet. Yes, but it may not work as well as on a moderate carb diet (52, 53). For more details about low carb or keto diets and exercise performance, read this article. 4. How much protein can I eat? Protein should be moderate, as a very high intake can spike insulin levels and lower ketones. Around 35% of total calorie intake is probably the upper limit. 5. What if I am constantly tired, weak, or fatigued? You may not be in full ketosis or be utilizing fats and ketones efficiently. To counter this, lower your carb intake and revisit the points above. 6. My urine smells fruity. 7. My breath smells. What can I do? This is a common side effect. Try drinking naturally flavored water or chewing sugar-free gum. 8. I heard ketosis was extremely dangerous. People often confuse ketosis with ketoacidosis. Ketoacidosis is dangerous, but the ketosis on a ketogenic diet is usually fine for healthy people. Speak to your doctor before starting any new diet. 9. I have digestion issues and diarrhea. What can I do? This common side effect usually passes after 3 to 4 weeks. 3. Leave fatty deposits in your body which can lead to heart attacks and premature death. 4. Contain higher amounts of omega-6 fatty acids and contribute to chronic inflammation in your body. These oils should be removed entirely from your diet, not just eaten in moderation. To learn more about why that is, listen to this podcast episode or check out this guide. Another easy and satisfying way to sneak more healthy fats into your diet is to reach for raw nuts and seeds. As mentioned in this guide, these nutritional powerhouses are loaded with essential nutrients like magnesium, selenium, and manganese. Nuts and seeds can improve your brain health, fortify your immune system, and aid with digestion and blood glucose management. They’re also high in healthy fats, have a moderate amount of protein, and are generally low in carbohydrates, depending on the type you choose. Nuts are also portable, making them one of the best keto-friendly snacks.
Get rid of foods that might tempt you to make it easier to resist initial sugar cravings that might come. Head to your local grocery store to stock up on these good-for-you keto foods and groceries. To gauge how deep you are in ketosis, you can measure the amount of ketones your body is producing. Even if you think you’re sticking to your diet, sugar can hide in salad dressings, condiments, restaurant food and sauces, so it’s best to monitor how you’re doing every day. The Keyto - our ketone breath analyzer. It’s painless and reusable! More than 10,000 Keytos have already been purchased. How many carbs should I have on a keto diet? Someone following a keto diet should try to have a maximum of 50 net carbs every day. Try to aim for 20 grams of carbs or less for optimal results. Butter, heavy cream, sour cream, organic cheese, full-fat/unsweetened yogurt, kefir, milk. What foods should you avoid on a keto diet? Hot topic alert! There’s quite a bit of debate when it comes to foods to avoid on a keto diet. That’s because many followers struggle with the restrictive nature of the diet, so they sometimes turn to processed food that’s technically “allowed” since it’s high in fat but low in carbs. Other followers, like Sisson, vehemently oppose this practice, insisting that it misses the entire point of the keto diet. “The Internet buzz about ‘dirty keto’ is a great example of how NOT to do keto. Blending diet orange soda, heavy cream and ice into a slushy might be zero carb, but it offers little nutritional value and will not necessarily support internal ketone production. The prevalence of processed and packaged snacks labeled keto is pause for reflection, as we should better emphasize whole foods as close to their original state as possible,” he says.
The internet is abuzz with anecdotes telling of the amazing benefits of a ketogenic (or “keto”) diet. Nothing new there, then, as every year is marked by the rise and fall of a new diet fad - most amplified by the social media echo-chamber but with little to commend them. This time, though, it caught my attention. Not just because I am a modestly overweight 52 year old whose love for food and drink is slightly stronger than my desire to be skinny, and as a result someone who has been on a diet every January for at least 20 years and now knows he needs he miracle. But because of the science behind it. For a start, I first began reading about ketogenic diets thanks to Ethan Weiss, M.D., a prominent UCSF cardiologist on Twitter, whose scientific acumen I respect. If he believes in the benefits of ketosis, then I should definitely look a little closer. This will determine the nutrient density of the ketogenic diet as well as how to follow it, as different foods will have different effects on insulin and blood sugar levels. There are a number of different types of ketogenic diet with variations in the level of carbohydrates and protein allowed in the diet and/or the amount of time someone is looking to spend in ketosis. Note that some of the types of ketogenic have been designed specifically for people that are athletes or are otherwise working out very hard and often. Ketone bodies produced from burning fat for fuel have been shown to have potent weight loss effects, help lower blood glucose levels and reduce people’s reliance on diabetes medication. In addition to that, there has been a lot of interest in therapeutic ketosis for other long-term conditions, such as cancer, epilepsy, Alzheimer’s disease or dementia. Do I need to measure ketones? Significant weight loss and blood glucose control benefits can be derived from even a mild state of ketosis. There are a few methods you can use to measure the levels of ketones in your blood, urine or breath - each having their pros and cons. With every change in the diet comes an adaptation period. With a ketogenic diet, the adaption is significant as the body has to switch its fuel source from glucose to fat. When this happens, it is not uncommon to experience a collection of side effects called ‘keto-flu’. This usually goes away within about four weeks. They are precursors to ketones and help your body burn fat instead of burning carbs. Weight Loss: MCTs are easily digested and have a thermogenic (energy-creating) effect, also known as boosting your metabolism. Energy: MCTs are a fast-acting source of energy. They break down into ketones which can then be used as fuel for your body. Digestion: MCTs support your gut microbiome by combating harmful bacteria, fungi, and viruses. Overall Health: MCTs contain antioxidant properties which reduce internal inflammation and improve overall performance of your heart, brain, and nervous system. Learn more about MCTs and oil here or try the Perfect Keto MCT Oil Powder. While MCTs and MCT oil play a role in fat loss, this next supplement may improve the condition of your hair, skin, nails, joints, and more. Collagen is a type of protein - one of over 10,000 in your body. Collagen is the most abundant protein in your body, accounting for 25-35% of all protein.
The primary fuel source for this system is creatine phosphate, which your body naturally produces, and which you can increase stores by taking creatine supplements. 20-50% of your body's resting metabolic needs. The glycolytic system uses glucose (a form of carbohydrate) to make ATP. The glucose used in glycolysis can have two fates. First, it can get turned into lactate and exported out of your muscle cells and into your blood. It can also continue into the oxidative system by turning into a molecule called acetyl-CoA and then going through the Kreb's Cycle. Lastly, we have the oxidative system. This system can utilize carbohydrates (as discussed above), fatty acids, or protein to produce energy. It does so by the body converting them into acetyl-CoA first. Your body makes energy in three ways. One way, the oxidative system, utilizes a molecule called acetyl-CoA to do a lot of the work. That is the "starter" to oxidative metabolism. When your body starts relying very heavily on oxidative metabolism, you start producing a lot of acetyl-CoA. From your brain to your blood cells, glucose is typically the most readily available source of energy. We get glucose from the foods that we eat - whether that’s breads and refined sugars or those found naturally in nature, like fructose from fruits. But to keep the body and brain functioning in times of starvation when carbohydrates weren’t available, the human body can adapt to using ketones, instead of carbs for fuel. While the shift from using glucose to ketones might seem unnatural, your brain actually processes ketones more efficiently than glucose. Your brain is like a luxury car - why put in economy fuel if you can afford premium? But don’t just take our word for it. The keto diet was originally created to treat epilepsy in children, and is still used today in treatment for children and adults with drug-resistant forms of epilepsy. Does the ketogenic diet work? According to the NIH, there is, “no doubt that there is strong supportive evidence that the use of ketogenic diets in weight loss therapy is effective.” In fact they agree that there are many other positive benefits too, like improved mood and protection from cognitive impairment caused by obesity. It takes a degree of total carbohydrate reduction including natural carbohydrates like fruits to achieve this and stabilize blood sugar in both type 1 and type 2 diabetes patients. The popular keto diet flunked, coming in next to last - which it has done for several years now. Only the highly restrictive protein-only Dukan Diet ranks lower. “Most health professionals are concerned that the degree of carb restriction requires someone to cut out many of the foods that have been consistently recommended as being healthy: fruits, beans/legumes and whole intact grains,” said Stanford professor Christopher Gardner, who conducts research on low-carb diets at Stanford Prevention Research Center. Respectfully to Dr. Gardner, this is not a recommendation for the entire country but for those who have difficulty with blood glucose and hyperinsulinemia reducing the carbohydrates is the most effective means of correcting this condition. We suggest people eat to their glucometers. As a physician I am concerned about high blood sugar and unstable blood sugar not about some theoretically grain deficiency in the human being. The ADA 2020 standard of care document acknowledges this too. With such negative reviews, just how did keto capture such a faithful following? Experts say it’s because its legions of fans are focusing on the short-term benefits of fast weight loss, without factoring in possible long-term risks. Well-controlled diabetes is the leading cause of absolutely nothing. Poorly controlled diabetes drives about every chronic disease, organ system failure, as well as many forms of cancer. So, I am not sure what the risks are of reversing metabolic disease with a safe and well formulated low carbohydrate dietary pattern. How It Works This is the most common approach to keto and involves sourcing 75 percent of calories from fat, 20 percent from protein, and 5 percent from carbs. That means limiting carb intake to about 20 to 30 grams (g) of carbs per day, Shapiro says. It’s important to note that while this is the keto diet that most people follow, it’s not the original, or therapeutic, version of keto that an article in Canadian Family Physician showed can help children with epilepsy. That diet consists of slightly different percentages: 80 percent of calories from fat, 15 percent from protein, and 5 percent from carbs. Risks to Note Kizer says there are a few groups who should not follow the standard version of keto (or any other version either): pregnant women, people with diabetes (at least not before discussing it with a physician), and those with a history of kidney stones. You can learn more here. On keto you can eat fat, protein, and to a certain extent vegetables, nuts, and low-carb sweeteners. Fats like butter, olive oil, coconut oil, and bacon grease add flavor and help you feel full on keto meals. Meat, cheese, and eggs provide protein and vitamins and minerals, and essential fatty acids on a ketogenic diet. These all are nearly no-carbohydrate foods, and will make up most of your meals. Steak, burgers, deviled eggs, baked chicken (with the skin!), meatballs, and more. Vegetables should be included as desired, in general green vegetables are lower in carbohydrate than other veggies. Carb counts should be tracked with your vegetables. Nuts can be included, but should be carefully measured and limited especially if you are doing keto for weight loss. Nuts are delicious, and can be used to make low-carbohydrate baked goods, but also are packed with calories and contain some carbohydrates. And ketosis, the process by which the body uses those fuels, is essential for survival. Here’s how it works: The body-even that of a very lean athlete- stores about 40,000 calories of fat compared with just 2,000 calories of the carbohydrate glycogen. When those carbs have been depleted, the body taps its fat stores for energy. The same is true for athletes who “bonk” during exercise-it’s because they’ve used up all their stored carbs. To go on, they must either eat more carbs (to burn as sugar) or start burning fat. When marathoners break through the so-called “wall” late in a race, they’ve begun to burn fat. Thanks to Noakes and other Keto Diet supporters, a growing number of athletes today prefer to be in that state at all times. Once they make the switch, they say, not only are their race results and game-day performances better, they report sustained energy, better moods, and clearer thinking.|Pure alcohol products like rum, vodka, gin, tequila and whiskey all contain no carbs. In addition, light beer and wine can be relatively low in carbs. Keto-friendly mixers are just as important as the alcohol itself. Watch out for common mixers like juice, soda, sweeteners and energy drinks - they can quickly turn a carb-free drink into a high-calorie carb bomb. Instead, opt for low-carb mixers like diet soda, sugar-free tonic water, seltzer or powdered flavor packets. These mixers can keep your carb intake low while boosting your beverage’s taste. Low-carb mixers like seltzer, sugar-free tonic water, diet soda and powdered flavor packets can keep your drink’s carb content minimal. Many alcoholic beverages are loaded with carbs, some varieties packing over 30 grams in a single serving. For example, cocktails and mixed drinks usually rely on high-carb, sugary ingredients like juice, soda, sweeteners or syrups. Meanwhile, regular beer is produced from starch and can contain upwards of 12 grams of carbs in just one can. Regular beer, cocktails and mixed drinks are often high in carbs, loading 10-32 grams per serving. These are best avoided if you’re on a keto diet.
A recent review published in the Journal of Clinical Lipidology looked at how low-carbohydrate (10 to 25 percent of total daily calories from carbs) and very low-carb diets (less than 10 percent of total daily calories from carbs, including the ketogenic diet) affected body weight and other cardio-metabolic risk factors, such as blood lipids, glycemic control, and high blood pressure. What the National Lipid Association found was that following a very low-carb diet, such as keto, for an extended period of time had no long-term advantages. What’s more, the keto diet and other carb-restrictive diets actually may severely restrict nutrient-dense foods that can offer cardio-metabolic benefits, explained co-authors Carol Kirkpatrick, Ph.D., R.D.N., Director and Clinical Associate Professor at Idaho State University, and Kevin C. Maki, Ph.D., C.L.S., Adjunct Professor in the Department of Applied Health Sciences at the School of Public Health at Indiana University Bloomington. The review found that while those following keto diets may see more short-term weight loss than those following low-fat diets, after 12 months or more, there is no difference in weight loss.|Besides constipation, crabbiness, and making it difficult for others to make plans with you, keto may lead to other health concerns too. Since research has yet to follow participants for more than a year, it's difficult to say with certainty that other problems (like an increase in LDL "bad" cholesterol) won't arise as well. But the real reason why keto plans fail most of us is that they're not sustainable for the long term. Holidays, vacations, work functions … Any diet that's as extreme as keto - to the point where it's often implemented under the supervision of an entire medical team - won't translate into everyday life. And when it backfires (as it always does), the shame and feelings of inadequacy hit us even harder when we've put so much darn work into it. It's for that last reason alone that I don't recommend the keto diet. It can be so downright discouraging when we "fall off the wagon" that it seems completely pointless to eat healthier at all. Keto diets rely on an extreme technique to (temporarily) move the scale down a few pounds, and basically eliminates all joy associated with eating real food and living life. Since restriction for life is downright impossible: Cut back on ultra-processed, high-carb foods like sugary beverages and tons of refined grains, and fill up on more nutritious carb choices, like veggies, fruit, legumes, low-fat dairy, and 100% whole grains to maximize long-term weight loss, health, and happiness. Want to see what that looks like? Check out this seven-day, 1800-calorie meal plan developed to help you lose weight safely and sustainably. Understandably, readers had a lot to say in response to this piece. You can learn more about Jackie's reasoning and see her replies to the top comments in support of keto here. Is there actually a magic pill that will melt the fat off your body whilst eating loads of fat? Can you get fit while using this way to get slim? Firstly, you might also want to check out some of the potential keto diet side effects. While there will certainly be no carbs before Marbs, whatever that means, there will be a fair amount of protein and a whole load of healthy fat, and that is something your digestive system may need a while to adjust to. We asked Simon Jurkiw, who's not only the Product Director at Bulk Powders, but also a performance nutritionist AND a powerlifter. Should you try the keto diet? Read on and decide for yourself… What is a keto diet? A keto diet essentially forces your body to produce ketones from fat by throwing you into a state of ketosis. Yup, it really is that simple. Okay, here's the clever bit: in ketosis, your body will use fat for energy, as opposed to carbs, regardless of the source, so it will use fat from the food you eat but also fat that you have stored in your body. I look forward to the smooth, buttery coffee now, and you’ll probably find you enjoy the taste too. Make a fist. That’s how much fatty meat you get, twice a day. For me that comes out to about 1lb or 16oz of steak total, which has exactly the amount of protein I need to hit my ratios. If you’re smaller, it will likely be more like 12oz, which should be around the amount you need. This rule isn’t perfect, but it’s a simple starting point. Instead of constantly trying to figure out how much protein you’re getting, hold your fist up to it, and remember that you get two fists of fatty meat per day. You’ll get most of your fat from your fatty breakfast and your fatty meats, but you still need to add a bit more into each meal to make sure you hit your goal. The easiest way to do this is to add cheese, salad dressing, or nuts.|US News and World Report recently released their annual diet ranking list. Unfortunately, they ranked the Keto diet shockingly low, at number 37. The Low-Carb Action Network (L-CAN) wonders why US News would cite concerns about nutritional imbalances and sustainability, when there are over 65 clinical trials proving its effectiveness. Indeed, L-CAN has a page dedicated to keto and low-carb diet nutritional adequacy. As for how sustainable keto diets are, L-CAN would suggest that US News visit our success story page, which highlights the life-changing and long-term results Americans have seen from adopting a low-carb lifestyle. In fact, this is not the first time US News has shown bias against a low-carb or keto diet. In March, the magazine published an article criticizing the Department of Veteran Affairs (VA) for launching a program that uses a ketogenic diet combined with a mobile app to treat Type 2 diabetes, in partnership with a private company, Virta Health. Pin it to save for later! 7. Portions Do Matter. 6 above. Even though calories and portions are not the primary focus of a ketogenic lifestyle, they still matter. It’s still possible not to lose weight, or even gain weight, on keto if you consume too much - this would be the case with any diet. The key to remember is that fat is a lever. Fortunately, ketosis inherently reduces hunger and cravings, so you tend to eat less anyway. Many people find that eating low carb foods keeps their portions under control naturally, but if that doesn’t happen for you, you may need to pay attention to them. 8. Eat Only When Hungry. A common question I get is whether you should eat when you are not hungry. Ketosis acts as a natural appetite suppressant, so you may find that you don’t get hungry as often, or not as ravenously so. There is no need to eat when you are not hungry! The ketogenic diet was originally created to treat neurological diseases like epilepsy. Over the last century, countless studies have been performed to examine the other health benefits of ketogenic diets. Heart disease: The ketogenic diet can improve cholesterol levels and reduce body fat and blood sugar-all risk factors for heart disease. Cancer: Keto is currently being used to treat cancers and slow the growth of tumors. Alzheimer’s disease: Keto may reduce the symptoms of Alzheimer’s disease or slow its advancement. Epilepsy: Research has indicated that the ketogenic diet can cause a sizeable reduction in the number of seizures experienced by epileptic children. Parkinson’s disease: One study produced evidence that the diet helped improve Parkinson’s disease symptoms, though more research is needed. Polycystic ovary syndrome: Keto can lower insulin levels, which may play a role in treating polycystic ovary syndrome. Brain injuries: One study conducted on animals found that keto can aid in concussion recovery and post-brain injury recovery.|It takes about three weeks of carbohydrate elimination for your body to transition into ketosis. Here are the pros and cons of the keto diet. “There has been anecdotal evidence of people losing weight on the ketogenic diet,” says Melinda R. Ring, MD, director of Northwestern Medicine Osher Center for Integrative Medicine. Gomez says people feel less hungry because fatty foods take a longer time to break down in the body. Weight loss not only comes from ketosis, but also from reducing calorie intake by eliminating food groups. On paper, burning fats by eating more of them is enticing, which is why the diet has become popular. The keto diet allows many people to eat the types of high-fat foods that they enjoy, such as red meats, fatty fish, nuts, cheese and butter, while still losing weight. The keto diet helps reduce seizures in pediatric patients with epilepsy. Endurance athletes and body builders also use it to scrap fat in short timeframes.
The main difference between the five types of Ketogenic Diets is this macronutrient ratio. All Ketogenic Diets are high in fat, adequate in protein and low in carbohydrates. This combination changes the way energy is used in the body, converting fat into fatty acids and ketones in the liver. When there is an elevated level of ketones in the blood, one is in a state of ketosis, which has a variety of therapeutic benefits for the sick and healthy alike. In addition to the macronutrient ratio, the frequency of eating can influence ketosis. More specifically, a practice called intermittent fasting, which reduces the window of time a person eats throughout the day, can help in obtaining and sustaining ketosis. When the eating window is shortened, the body is forced to access energy from its own fat stores rather than calories directly from the diet. An individualized and structured diet that provides specific meal plans. Foods are weighed and meals should be consumed in their entirety for best results. According to the authors, this may be dependent on circulating ketone levels, but a threshold level had yet to be determined. Research also shows benefits for improving insulin sensitivity and glycemic control, although the mechanisms aren't clear.1 A 12-month study that randomized 34 adults with HbA1c levels above 6% and BMIs above 25 to a very low-carb ketogenic diet or a moderate-carb, calorie-restricted, low-fat diet found that the low-carb group had greater weight loss and reduction of HbA1c. The low-carb subjects also were more likely to be able to reduce use of diabetes medications, with three discontinuing metformin. Studies-most of which compare ketogenic diets with low-fat diets-also have found that while LDL cholesterol tends to increase for some people following a ketogenic diet, small, dense LDLs tend to decrease.1,13,14 Triglyceride and HDL cholesterol levels also tend to improve. The ketogenic diet is popular because it works, at least in the short term. Just as Paleo books, cookbooks, and blog posts have flooded the market, today keto is picking up speed. While fat reigns supreme on the diet, don’t just turn to bacon, cheese, and cream. When choosing your fats, aim to include more anti-inflammatory omega-3s, particularly EPA and DHA, the type that are found in salmon, sardines, oysters, herring, and mussels, says Clevenger. Other healthy fats are a good choice, too; if you haven’t stocked up on avocado, olive oil, and seeds such as chia seeds and flaxseed, definitely do. They’re not only keto friendly - they also offer healthy polyunsaturated and monounsaturated fat that your body needs to perform at its best. With people consuming more sodium than ever in a diet rich in processed food, you’re probably not used to hearing the call to eat more salt. But on keto, it’s necessary. Not only does the clearance of ketones cause the body to lose sodium, but you may be getting much less table salt (which is comprised of 40 percent sodium and 60 percent chloride) now that you’ve kicked out the top source of salt in the standard American diet: packaged, processed foods, including bread, chips, crackers, and cookies. Also, it takes more energy for your body to convert fat to ketones for fuel rather than using readily available glucose from carbohydrates. But the carbohydrate restrictions mean that most people have trouble sticking to the diet long term and end up regaining any lost weight when they revert to a “normal” eating plan. Q: Does a ketogenic diet help you build muscle? A: No. In fact, a ketogenic diet actually causes your body to lose muscle mass. Research suggests that even if your diet is high in protein, or your protein intake is constant, a carb-restricted diet may promote muscle loss. When we eat carbohydrates with lean protein, our bodies produce insulin. This acts as a sort of key, unlocking our muscles to let the protein in so that it can build muscle tissue. Skipping carbohydrates depletes our energy stores and reduces muscle-building potential. Q: What are the drawbacks? A: In addition to being tough to follow, the ketogenic diet coaxes your body to release more of the stress hormone cortisol. There's no shortage of keto-inspired diets. The Atkins, South Beach, and Paleo diets are some of the best-known examples. But a true ketogenic diet is different and calls for up to 90% of your daily calories to come from fat. That is often hard for people to maintain. However, research has shown that people can achieve faster weight loss with a keto diet compared with a calorie-reduction diet. In the short term, a keto diet is probably safe. But over time, it's tough to keep off the weight this way. If you do try a keto diet to jump-start weight reduction, choose healthier sources of fat and protein, such as olive oil, avocados, and nuts (almonds, walnuts). But after a few weeks, switch to a reduced-calorie Mediterranean-style diet and increase your physical activity. This will help manage your weight loss for the long term. As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles. No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.|A ketogenic diet - which provides 99% of calories from fat and protein and only 1% from carbohydrates - produces health benefits in the short term, but negative effects after about a week, Yale researchers found in a study of mice. The results offer early indications that the keto diet could, over limited time periods, improve human health by lowering diabetes risk and inflammation. They also represent an important first step toward possible clinical trials in humans. The keto diet has become increasingly popular as celebrities, including Gwyneth Paltrow, Lebron James, and Kim Kardashian, have touted it as a weight-loss regimen. In the Yale study, published in the Jan. 20 issue of Nature Metabolism, researchers found that the positive and negative effects of the diet both relate to immune cells called gamma delta T-cells, tissue-protective cells that lower diabetes risk and inflammation. A keto diet tricks the body into burning fat, said lead author Vishwa Deep Dixit of the Yale School of Medicine. Think of keto as a tool to make it much easier to maintain a calorie deficit. Even keto, as awesome as it is, isn’t a ‘eat as much as you want and still lose weight’ magic bullet. 1. When not in ketosis, your liver and muscles are full of glycogen, about 1-2 pounds worth depending on your body size. For every 1 part of glycogen, your body holds on to 3 parts of water (source). When we enter ketosis, our body will use up that glycogen and shed the associated 3 parts of water. 2. When you cut out major food groups, primarily sugar, grains, and gluten, your inflammation (mild swelling throughout the body) will go down. Most people are sensitive to these foods, and when we eliminate them we stop chronic inflammation. You can read more about inflammation and the body here. 3. When you eat a carbohydrate-rich diet, lots of water is required in your digestive tract to break down the carbohydrates. Unlike the Atkins Diet, which is high in protein, a keto diet avoids eating too much protein. In the past, people thought large amounts of protein can turn into glucose in a process called gluconeogenesis, which takes you out of ketosis. More recent findings suggest the possibility of gluconeogenesis isn’t as big a problem as we once believed, but on a keto diet, the majority of your calories should come from quality fats-not protein. There’s a bit of a learning curve when you’re finding out what to eat on keto. Broadly speaking, it’s best to get your dietary fat from nutrient-dense, whole food sources. That means eating more foods like avocados, coconut oil, olive oil and butter (or Bulletproof Grass-Fed Ghee). Your protein intake should primarily come from fatty cuts of protein like salmon and, yes, bacon. How long does it take to get into ketosis? It can take anywhere from 2-3 days to a few weeks to enter ketosis, depending on your body’s ability to adapt to burning fat for fuel and increasing your ketone levels. There are different variations of low carb, and the keto diet is a special type of low carb with added characteristics. Some people opt to count carbs diligently and some choose to simply focus on eat low carb/keto foods. What are net carbs? Net carbs is simply total carbs minus fiber and non-digestible sweeteners, like erythritol and allulose. We don’t have to count fiber and certain sweeteners in net carbs, because they either don’t get broken down by our bodies, are not absorbed, or are absorbed but not metabolized. Some people on a keto or low carb diet choose to count total carbs instead of net carbs. This makes it more difficult to fit in more leafy greens and low carb vegetables (which are filled with fiber), so you should only try that if you don’t get results with a net carb method. And, start with reducing sweeteners and low carb treats before deciding to do a “total carbs” method. Since ketosis is a hard state to maintain, the studies that have been conducted are limited to small number groups or have a significant drop-off rate. A lot of researchers are interested in how the keto diet can be used for diabetes. We predict we’ll see more peer-reviewed studies about the effects of the keto diet on diabetes in the near future. Can you follow the keto diet for long-term? It’s not easy to eat just 50 g of carbs per day. It’s a lifestyle change that often affects those that eat with you. And you can’t take days off when you’re trying to maintain ketosis. Without large peer-reviewed clinical trials, many of the benefits of the diet are based on individual outcomes. Is the keto diet safe for everyone with type 2 diabetes? This diet is not suggested if you have kidney disease (high protein intake can affect kidney functions). You should also be cautious about the keto diet if you have a high risk or history of heart disease. The internet is filled with testimonials from people who have supposedly stuck with it long enough to lose 50 lbs or more in just a few months. Combined with the perception of scientific validity, it’s no wonder why this is the latest fad. But take a closer look and you will see that it isn’t all it claims to be. First, if one is trying to lose weight, they should be striving to lose fat weight. The scale does not tell us what kind of weight we are losing. Our body is about 60% water by weight. Carbohydrate is stored in our body as a substance called glycogen, which is found mostly in muscle and liver cells. Each gram of glycogen we store is accompanied by two grams of water. When we restrict carbohydrate intake, glycogen levels are depleted, and we rapidly lose a lot of water weight via increased urination. This does not make us healthier, but it does make us somewhat dehydrated.|This article was medically reviewed by Rachel Lustgarten, R.D., C.D.N., a clinical dietitian and member of the Prevention Medical Review Board. The keto diet has blown up as an ultra-low carb eating plan that can help you drop pounds fast-but its effects on your body go beyond weight loss. A typical keto diet is comprised of 80% fat, 15% protein, and a mere 5% of calories from carbohydrates. If you consume 2,000 calories a day, that means just 100 of them are coming from carbs-including healthy carbs like fruits and vegetables. When you eat this way, it triggers ketosis, which means your body has burned through all its carbs and needs to begin burning fat for energy. It’s true: Following a strict high-fat, low-carb regimen can help move the number on the scale, but there might be some other keto diet side effects that you aren’t aware of. Some of them are positives, but a few could be unpleasant-or even dangerous. Here’s what you should know about keto diet dangers before you decide to try it for yourself. What is the Keto Diet? The keto (or ketogenic) diet is a meal plan which emphasizes heavily on a low carb regime. Cutting out carbs means it’s backed by a high fat and moderate protein intake. The keto diet is said to help you effectively lose weight with health benefits. You may have heard of the Atkins diet. This diet plan follows some of the basic principles of keto at the offset although it gradually introduces more carbs towards the final phases. So what’s the deal with the keto diet? In simple terms, the keto diet switches the body’s fuel supply. Reducing your carb intake encourages your body to divert from its conventional source and instead burns fat for energy. So has this got you wondering how this is all possible? Well, it’s with a little help from a metabolic process called ketosis. How Does the Keto Diet Work? Standard keto diet: this is the most common and involves a continuous routine of very low carb, high fat, and moderate protein intake.|Which Type of the Keto Diet Is Right for You? If you’re already trying a keto diet or are interested in starting one, you may be wondering which version is for you. That depends on a few factors, including your goals, activity level, and health history. Here, dive into six of the most popular types of the ketogenic diet. Kizer says to keep in mind that while there are many studies involving ketosis, these variations of the diet have not yet been researched. How It Works When people say they’re on the strict version of keto, they’re likely referring to the one that’s been shown to help treat epilepsy. Sometimes called the “therapeutic keto diet,” this is the original version of keto, which was created in the 1920s to help treat seizures, according to a study published in Current Treatment Options in Neurology. The original study found that sticking to the keto diet for one year led to improvements for 44 percent of study participants, with another 12 percent becoming seizure-free, per a study published in June 2016 in Practical Neurology. So, where does that glucose to supply our brain come from when we fast for a week? And as Dr. Peter Attia puts it, “The reason a starving person can live for 40-60 days is precisely because we can turn fat into ketones and convert ketones into substrate for the Krebs Cycle in the mitochondria of our neurons. I’m not saying here that carbohydrates are necessarily bad for us, but they’re not essential. Listen to our podcast with Dani Conway about how to create a keto plan based on your own body. Who Shouldn’t Follow a Keto Diet Plan? While carbohydrates are not essential for our bodies, there are some people for whom a keto diet plan isn’t ideal. If you fall into one of those categories, then please be extra cautious when trying keto. The ketogenic diet is a tool, but that doesn’t mean it should be used all the time and by everyone. 50% in as little as a few days, depending on your physical activity level. As glycogen also stores water, your body will see a large drop in body water in the first few weeks, which also translates into a decrease in scale weight, but not necessarily a reduction in body fat. There has been a lot of speculation on exactly what a person needs to follow a ketogenic diet. If you are a nutrition coach and have clients wanting to follow a keto diet, this information can serve as a refresher for dieting guidance. The two most important things to consider when setting up a ketogenic diet is the overall caloric intake and the total carbohydrate consumption. Suppose you are in a caloric deficit or mild caloric surplus. In that case, you can achieve a ketogenic diet by limiting your carbohydrates to below 80 grams a day, with a target of below 50 grams a day being the most effective way of ensuring you are in a state of ketosis. When your body is in ketosis (which occurs when you’re following a keto diet plan), your body is primed to burn fat as your energy source (rather than glucose). While some of that fat will come from fat you eat (and you have to eat quite a bit of fat to get into ketosis), some of it will likely also come from your body’s fat stores. And burning your body’s fat stores is exactly what everyone looking to lose weight needs. In particular, if you have what’s called “poor metabolic flexibility,” your body may not be very good at switching back and forth between burning carbs and burning fat for energy. If that’s the case, then the most common result is that you don’t burn much fat at all, you get cravings for sugar and carbs, and you have a hard time losing weight. A keto diet plan is not the only or even a perfect answer to this problem, but it is a good answer.
Tracking your macros and net carbs can be tricky, so I advise you download a keto app that includes a keto diet calculator. It will help keep you on track. A popular keto supplement are exogenous ketones (popularly called “keto diet pills”) that may help you achieve results earlier as well as remain in that state. Also, consider supplementing with the amino acid leucine, as it can be broken down directly into acetyl-CoA, making it one of the most important ketogenic amino acids in the body. While most other amino acids are converted into glucose, the acetyl-CoA formed from leucine can be used to make ketone bodies. It’s also present in keto friendly foods like eggs and cottage cheese. It’s important to also drink lots of water, the most important of all keto drinks. Getting enough water helps keep you from feeling fatigued, is important for digestion and aids in hunger suppression. Stay in the keto know! Sign up for the Keto Reset Digest, our keto-themed newsletter. What Is the Ketogenic Diet? The ketogenic diet is a diet that, by way of macronutrient balance (high fat, moderate protein, and very low carbohydrate in comparison to the Standard American Diet) induces the body to burn ketones and fat in addition to glucose for energy. Lucky for us, this flexibility is entirely natural, safe, and beneficial. Contemporary eating patterns, much to our detriment, keep us reliant on glucose, but that’s not the way we’re designed to live. Keto is a state of metabolic efficiency. This means you move beyond being dependent on regular carbohydrate intake and into the ability to burn stored body fat and natural ketones (hence the name ketosis) for physical energy, stable mood, and mental focus. Many of us have unfortunately been told over the years that the body relies on glucose for energy. That simply isn’t the case. Glucose is one fuel, true. Essentially, the ketogenic diet promotes a "pseudofasted" state.3 After three to four days of fasting or following a very low-carbohydrate diet, the body, deprived of dietary sugar and starch, reduces insulin secretion and switches to primarily burning fat for fuel. The resulting overproduction of acetyl-CoA leads to formation of ketones-beta-hydroxybutyric acid and acetone-in a process known as ketogenesis.2,4 Whereas the brain can't use fatty acids for fuel, ketones can cross the blood-brain barrier, providing fuel to the typically glucose-hungry brain as well as to other tissues. Andres Ayesta, MS, RD, LD, CSCS, CSSD, owner of Vive Nutrition in Orlando, Florida, adding that the true ketogenic diet can have a ratio of 75% to 90% calories from fat, 10% from protein, and 5% from carbs. However, in research and in real life, diets labeled as "ketogenic" vary widely. Diana Reid, MPH, RD, Luxembourg-based owner of The Global Dietitian.
Unfortunately, keto diets are probably more prone than many others to end with weight regain because they can be hard to stick to in the long run, Carson said. And being in ketosis for more than a few weeks might not be best for overall health, she said. Some of this is genetically determined: The extent to which dietary fats and cholesterol translate to increased levels of blood cholesterol (which are associated with heart disease) is partly individual, Carson said. Ketogenic diets also tend to cause more calcium to be lost in the urine, Carson said, which can lead to a decrease in bone density over time and increase the risk of osteoporosis. The AHA recommends eating a variety of fruits, vegetables, whole grains, low-fat dairy, skinless poultry and non-fried fish, nuts and legumes, and limiting red meat, saturated fat and sweets for a heart-healthy diet. Majumdar said. In the case of keto diets, putting the kibosh on fruits, many veggies and whole grains means that people don't end up consuming much fiber. The AHA also recommends at least 150 minutes of moderate exercise a week for heart health. Weight loss and maintenance might take a lot more exercise than that, Carson said, which could be a problem for those on ketogenic diets. The ketogenic diet is an ultra-low-carbohydrate, high-fat diet that has been used for decades to treat certain medical conditions. Today, adherents claim that it will help you drop pounds while boosting your energy levels and controlling your blood sugar. Its promise of fast and aggressive weight loss is a compelling one in our world of quick fixes, but the ketogenic diet can be complicated in its execution and the research of its long-term benefits and drawbacks is ongoing. “Most people’s expectations are to lose weight with this diet. However, whether this is a sustainable strategy has yet to be determined. I advocate for whole health and taking care of all aspects of it, not just dropping weight,” says Colin Zhu, DO, a family physician who specializes in lifestyle medicine. Here are five fast facts about the ketogenic diet-including its pros and cons. 1. Burning fat: On most diets, the body uses glucose as its primary energy source. What does science say about the keto diet? Some of the benefits are difficult to dispute because many people have seen rapid weight loss and blood sugar control when following the diet. Yet, these are individual results and published research is still limited. Long-term outcomes are uncertain and more research is needed. One study showed that going low-carb could lead people to become less tolerant of glucose and actually develop diabetes. While another study focused on life expectancy when someone follows a low-carb or high-carb diet. The researchers showed that following an extreme carb diet was associated with a higher risk of death. Following a low-carb diet may also affect your risk for developing cancer. Researchers looked at the eating habits of 471,495 Europeans over 22 years. They found that people who ate fewer fresh fruits, vegetables, legumes, and nuts were more likely to develop cancer. Very few studies have been done in humans, outside of seizure prevention. A diet high in convenience foods has also been associated with an increase in overall mortality, according to a May 2019 study published in BMJ. Nieves advises those with preexisting health conditions like diabetes and cardiovascular disease to tread with caution, but even if you don’t have those issues, be aware of the health drawbacks. In general, she adds, if you plan on going keto, consider the dirty version only when you need the convenience, and not as a long-term approach. How It Works Swinging in the opposite direction of the dirty keto approach is, naturally, clean keto. But it’s not a full 180, because you can still focus on convenience, says Raymore, Missouri-based Randy Evans, RD, consultant for Fresh n’ Lean, a meal delivery service specializing in keto foods. You also will still stick to the same macronutrient distribution as standard keto. The difference is that clean keto is based on sourcing the healthiest versions of foods.|Last week, U.S. News came out with a report on the “best and worst” diets to follow for 2018. I won’t spend too much time on the problems with their rankings, but one aspect that stood out was that the Keto Diet tied for the second-hardest diet to follow out of the 40 they considered. I’ve been on a keto diet for about six weeks now, and this challenge is the one I hear about the most. Many curious people are turned off from trying the ketogenic diet because it sounds extremely difficult: counting calories, only eating certain foods, not eating lots of other foods, not knowing what to eat out at a restaurant, having to cook more… In case you don’t already know how it works, a ketogenic (keto) diet is where you get most of your calories from fat, a moderate amount from protein, and very few from carbs. This is MUCH more fat than most people are used to eating.
Given all the buzz, adopting a ketogenic diet may be the perfect weight loss plan, especially if you have diabetes, or want to try this approach to lose those troublesome extra pounds. After all, it’s a very low-carb meal plan that promises effective weight loss while also lowering your blood sugar to the point where you could possibly stop taking medication. By all accounts, the “keto” diet, as it’s widely known, may even reverse type 2 diabetes, at least for some lucky individuals. Another advantage to the keto diet: It can help reduce systemic inflammation, which can have a variety of negative effects on your entire body. You can create meals that are appealing and delicious when following a keto diet. Unlike some of the other popular low-carb diets, which typically are high in animal protein, the keto diet focuses on getting to the body to burn stored body fat instead of sugar as the main fuel. When body fat is broken down in the liver instead of glucose, s an energy byproduct known as ketones are produced. Research shows that cutting off glucose levels with a very low-carb diet makes your body produce ketones for fuel. This change can help to reverse neurological disorders and cognitive impairment, including inducing seizure control. The brain is able to use this alternative source of energy instead of the cellular energy pathways that aren’t functioning normally in patients with brain disorders. A related clinical diet for drug-resistant epilepsy is called the medium-chain triglyceride ketogenic diet, in which MCT oil is extensively used because it’s more ketogenic than long-chain triglycerides. 13) Another dietary therapy for epilepsy called Low Glycemic Index Treatment (LGIT) was developed in 2002 as an alternative to the keto diet. Clinical improvement was observed in Alzheimer’s patients fed a ketogenic diet, and this was marked by improved mitochondrial function. 15) In fact, a European Journal of Clinical Nutrition study pointed to emerging data that suggested the therapeutic use of ketogenic diets for multiple neurological disorders beyond epilepsy and Alzheimer’s, including headaches, neurotrauma, Parkinson’s disease, sleep disorders, brain cancer, autism and multiple sclerosis. Try not to compare your weight loss success to someone else's. It depends on how strict you are. If you restrict carbs to below 20 grams, it typically takes 2-3 days to go into ketosis. The most popular choice for a keto breakfast is bacon and eggs. But a lot of people can get tired of not having variety quickly. Try my keto pancakes or low carb yogurt to mix things up and stay within your macros. For week 1 of keto, I recommend keeping it very simple in order to get your body used to running without an influx of carbs. So for this week don't worry about calories, portion sizes or whether you're in ketosis. This week is just about training you to avoid starches and sugars and training your body to run off fat rather than sugar. Every meal does not have to be in balance, but the proportions should be close to these at the end of the day. “If we’re going to make a claim, let’s stick to the things we know,” said Weiss. Swanson, a professor of neurology who has researched the impacts of ketogenic diets on inflammation in the brain, got curious about the ketogenic diet when trying to treat the inflammation that persists for days after a person suffers a stroke. When he tried inducing a ketogenic state in mice with stroke injuries, he said, “I was overwhelmed by the effect.” Blocking glucose metabolism worked to suppress inflammatory genes, which in turn helped stroke healing. The anti-inflammatory effect of ketosis on stroke recovery is likely the same effect that helps children with certain kinds of seizures, said Swanson, who is a member of the UCSF Weill Institute for Neurosciences. Ketogenic diets have been used as treatment for some forms of epilepsy for almost a century. Weiss, an associate professor at the Cardiovascular Research Institute who studies the effects of diet on weight and heart health, has been an adviser for Virta Health Corp., a company that is treating type 2 diabetes by controlling patients’ blood glucose levels through a ketogenic diet.