The keto diet is known for helping people lose a few pounds very quickly, says Becky Kerkenbush, RD, a clinical dietitian at Watertown Regional Medical Center. Carbs hold on to more water than protein or fat, so when you stop eating them, your body releases all that extra H2O by making you pee more. As a result, the scale might read a few pounds lower, and you may look a bit leaner.
So yes, the ketogenic diet is safe for diabetics. However, they still need to be closely monitored because diabetes medications including insulin, blood pressure, and beta blockers will have to be adjusted down when following a ketogenic diet. Therefore, the diabetic should do this with supervision from a doctor who is up to date with the nutritional literature.
You may need more water. Going keto causes an initial reduction in fluid retention in cells throughout your body. Your digestive tract requires water to keep the fecal matter soft and moist. As you aspire to consume more fluid, be sure to add a pinch of salt to each cup of water you drink, and to sip steadily throughout the day instead of binge chugging. These measures will help you better absorb additional fluids instead of excrete them.
Another potential benefit of the ketogenic diet is that it is thought to improve insulin sensitivity5,6. Prediabetics and diabetics are often referred to as “insulin resistant” because their muscle, fat, and liver tissues do not respond properly to insulin. When the pancreas can’t meet the body’s need for insulin, excess glucose builds up in the bloodstream, contributing to diabetes and other medical conditions7.
There have been many attempts at studying the link between type 2 diabetes and the keto diet. In one study, a strict low-carbohydrate diet was administered in obese patients with type 2 diabetes. After 14 days of being on the diet, the glucose levels of participants normalized, their hemoglobin A1C decreased from 7.3% to 6.8% and insulin sensitivity improved by 75%. Some of this study’s limitations include the short duration, the small sample size and the weak control group. In another study, 84 obese patients with type 2 diabetes were randomized to either a low-carbohydrate keto diet or a low-glycemic reduced calorie diet. At the end of the study, both groups experienced improvements in glycemic control however the low carb keto group had greater improvements in hemoglobin A1c and higher HDL levels compared to the low-glycemic group. A more recent 2017 study in the journal of Nutrition and Diabetes found that a low carbohydrate ketogenic diet for 12 months led to greater reductions in HbA1c and body weight. These results suggest that low carbohydrate interventions may be effective at improving glucose control.
That's certainly the case with the ketogenic diet—a very low-carb meal plan—based on the findings of two recently published studies.1,2 Dr. Saslow and her team report that the individuals with type 2 diabetes who followed the keto diet lost significantly more weight than those on the low-fat diet espoused by the American Diabetic Association.1 These dieters also were able to get their hemoglobin A1c (HbA1c) below 6.5%, suggesting that some may have reversed their type 2 diabetes.1
I agree!! I too..have /had Diabetes II..at age 66 and retired RN, we were taught for so long the WRONG way to eat and I taught that way, the high carb, grains, etc, way to eat. KETO saved me. Dropped my A1C and I feel great. The author of this page is wrong when saying 5-10 percent of our diet, carb eating, should be root veggies like ‘carrots”…so wrong. For goodness sakes, get KETO right by educating yourself, Tammy Shiflet~ Horribly wrong! There are so many studies and physicians, brain scientists, etc out here who understand what this diet is about. Read, and educate yourself….Please! Diabetes is a symptom of the Government’s education mistakes. Sugar, Wheat, Grains…horrible for us. Get with it, we live in 2018 and the information is out there; if you need a list, just ask.
I have been diagnosed twice with post prandial reactive hypoglecemia since 37 years old ( now 70). Obviously my insulin levels shoot high and then blood sugar drops to 2.2. Can you give me any special advice on the Keto diet with regard to this. I have been diagnosed just recently with lipodema. I have been following diet for 3 weeks and my brain is already alot clearer.
Thank you for your objective review of the Keto Diet. I am not overweight but decided to try the Keto lifestyle because I have a lot of inflammation issues, including asthma and osteoarthritis. I had also been experiencing uncomfortable intestinal issues. I have been following the Keto lifestyle for 4 1/2 weeks, and I feel so much better- especially my stomach! I am eating a ton of leafy greens, broccoli and cauliflower. I am also enjoying Brussel sprouts, whole avacados and zucchini. I think the reason this is working well for me is because my body chemistry loves all the vegetables, good fats and protein. I also think that taking away sugar has had a big impact on how I feel. I’m just not eating grains and sugar. lots more veggies, berries, and consciously incorporating healthy fat. My stomach is flat again, and I have no more bloating or constipation. I have only lost 5 pounds, but I think my system is clean and operating better than it has in years. My point is that every person’s body chemistry is different. The Keto lifestyle seems to be what My body needed to feel my best. I did experience “the Keto flu” about a week into it, but it was short lived. I think that to be successful it is really important to eat a wide variety of veggies and good fats every day.
Consider a 135-pound woman who has about 25% body fat and 100 lb of lean mass. If she follows a 2,000 calorie diet, she would be eating between 145 – 179 grams of fat, 50 grams of protein, and between 50 – 124 grams of carbohydrates (depending on her activity level). She would need to keep her carbohydrates under 50 grams a day in order to “keto-adapt” (for her body to adapt to using fat as the primary fuel).
Insulin allows sugar in our blood to enter our cells. When insulin attaches to the insulin receptor, it activates a series of enzymatic reactions, which ends with active glucose transport (a gateway for glucose to enter the cell). If our insulin receptors are covered in fat, we end up with high blood sugar, because insulin can’t enter our cells. This is called insulin resistance. This fat is called intramyocellular lipid, or fat inside our muscle cells (10).
When you restrict carbohydrates, the body begins to process electrolytes in a different way. This is because, under conditions of low insulin, the kidneys excrete more sodium. Since there is a delicate balance between sodium and other electrolytes in the body, this increase in sodium excretion can have a knock-on effect and disrupt other electrolytes as well.
Just as people can vary dramatically in their response to carbs, I would not be surprised if that’s the case for some people. Might this be another case of copy numbers of AMY1 SNPs? But most people need to assume that WB/Undoctored is not a full-time KD. The goal of the 50g/day, 15g/interval is not for elevated ketone levels; it’s for ideal average and peak blood sugars.
Klein S, Sheard NF, Pi-Sunyer S, Daly A, Wylie-Rosett J, Kulkarni K, Clark NG. Weight management through lifestyle modification for the prevention and management of type 2 diabetes: rationale and strategies. A statement of the American Diabetes Association, the North American Association for the Study of Obesity, and the American Society for Clinical Nutrition. Am J Clin Nutr. 2004;80:257–263. [PubMed] [Google Scholar]
The only issue with keto, is really that I’m afraid that it might be hard to up my calories to a maintenance weight now that I’ve gotten a taste preference for the rich assortment of foods with no carbs in them. I’m satisfied with less calories than I will need after my excess fat is burned off… but , maybe I bet my body will send more hunger signs once there isn’t anymore body fat in the cupboard to use instead of what goes down my throat.
Proponents of the keto diet say that when and followed precisely, it does not “starve” the body. “A well-formulated keto diet includes all the food groups and therefore provides adequate intake of micronutrients,” says Dr. Goss. “There is ample scientific evidence from randomized clinical trials supporting the therapeutic effects of the diet in treating a number of chronic disease conditions besides epilepsy, including type 2 diabetes [node/59538], non-alcoholic fatty liver disease, even obesity.”
Because slimming down is the main reason most people consider altering their diet in the first place, it’s a good place to start. Because the ketogenic diet has been studied for so long, there’s actually a fair amount of research in this department. One 2013 meta-analysis compiled results from 13 different studies to determine how a diet featuring no more than 50 grams of carbohydrates per day stacked up against a low-fat diet. According to the researchers, those on the ketogenic diet lost more weight. It’s also important to note these studies occurred over a pretty lengthy amount of time, with a minimum follow-up of 12 months.
In the present study, 83 obese patients (39 men and 44 women) with a body mass index greater than 35 kg/m2, and high glucose and cholesterol levels were selected. The body weight, body mass index, total cholesterol, low density lipoprotein (LDL) cholesterol, high density lipoprotein (HDL) cholesterol, triglycerides, fasting blood sugar, urea and creatinine levels were determined before and after the administration of the ketogenic diet. Changes in these parameters were monitored after eight, 16 and 24 weeks of treatment.
It’s only dangerous to not get enough carbs at each meal if one is taking too much meds or insulin for the amount of carbs they are eating! Restricting carbohydrates doesn’t lead to hypoglycemia unawareness, but having lots of lows and lots of highs will (and decreasing insulin and carbs leads to way fewer highs and fewer lows, or at least it can). On the other hand, being in ketosis does make low blood sugars less negative as an experience. I still feel my lows just fine, but they are less of an emergency because my brain still works (feeding on ketones) and by body doesn’t freak out and release tons of adrenaline that then makes me want to eat a house. Mind you, I still wake up and know immediately if I’m low, I know from experience and how it feels in my head and body but without the crazy shakes. This is not unawareness but it is less reactive.
A study published in the American Journal of Clinical Nutrition established that a low-carb approach is far more useful for weight loss than a high-protein diet which is also rich in carbohydrates. Moreover, a study developed in 2013 outlined that the ketogenic eating plan annihilates the function of the hunger hormones much more efficiently than other diets.
3. Ketone bodies are NOT a better source of energy than glucose. Your body uses SO much more energy just to MAKE ketone bodies. Basically, your cells take in fats and turn these into Acetyl CoA in the mitochondria. In a NORMAL cell, this acetyl CoA would go through the Citric Acid Cycle and onto the Electron Transport Chain, making energy that can be used by ALL of your cells. ( In a cell that is in the state of Ketosis (AKA Starvation), the acetyl CoA is not used for the citric acid cycle, but is instead used to make the ketone bodies. The ketone bodies then make their way to the brain. Not to mention, gluconeogenesis is also occurring (at depleted rates at this point …. you know, because you’re running out of those scary glycogens.) And remember, gluconeogenesis is also energetically expensive, along with the production of ketone bodies. So all in all, you are losing energy by resorting to Ketosis.
And what benefit you will have with “moderate” diets that let you eat bread and others carbohydrates but high insulin ? remember that it is critical to not only look after glucose levels on blood, it is very very important to reduce your intake of insulin to avoid a lot of diseases including metabolic syndrome for high insulin and insulin resistance.
Some people just won’t do as well as others on a ketogenic diet. In particular, high energy demand athletes often choose to consume more nutritious carbs than advised per keto guidelines. Females with metabolic damage from a history of yo-yo dieting, or thyroid or adrenal dysfunction, also report difficulty with prolonged carb restriction to promote keto.
He was wrong. Originally used for epilepsy, studies show that keto diets are far from dangerous. In fact, they benefit numerous conditions, including cancer, dementia, and overweight/obesity, and modern history only supports these claims. During the early 19th century, physicians had dramatic success implementing keto diets, yet they eventually found that prescribing drugs was much easier that than scrupulously monitoring what people ate. (1)
"If you're going to do keto, there's a better and a worse way to do it," registered dietician Kim Yawitz told Everyday Health. "Loading your plate with meats, and especially processed meats, may increase your risk for kidney stones and gout... High intake of animal proteins makes your urine more acidic and increases calcium and uric acid levels. This combination makes you more susceptible to kidney stones, while high uric acid can increase your risk for gout."
The popular low-carb diets (such as Atkins or Paleo) modify a true keto diet. But they come with the same risks if you overdo it on fats and proteins and lay off the carbs. So why do people follow the diets? "They're everywhere, and people hear anecdotally that they work," McManus says. Theories about short-term low-carb diet success include lower appetite because fat burns slower than carbs. "But again, we don't know about the long term," she says. "And eating a restrictive diet, no matter what the plan, is difficult to sustain. Once you resume a normal diet, the weight will likely return."
Since our body isn’t used to using ketones, we tend to feel flu-like when in ketosis. Lots of brain fog, fatigue, headaches, nausea and poor endurance. You also get bad smelling breath, sweat and pee from the acetone (a byproduct of fat metabolism). Sexy? Not so much. Thankfully, if you are in ketosis long enough, a lot of people report that most of these side effects start to go away.
Mike, that’s exactly right! With T2, we no longer have the option of eating carbs, sugar and all the good stuff. Why can’t dieticians and the ADA recognize that and quit trying to shove all those carbs down our throats? I don’t get it… I seriously don’t. And I think the author of this article would do an about face is she actually had diabetes. It’s amazing the amount of people who claim to be experts that seriously don’t get it!! It I had Celiac Disease, I couldn’t eat gluten… at all. Why is the same not recognized for diabetics? Our meters show us when we are eating too many carbs. Its VERY clear as the number goes very high. What do the professionals not get about that? It’s been the most amazing thing about this whole process for me and I just can’t believe how biased people are against a very low carb diet for managing diabetes. You think that because people can’t maintain that kind of diet for long term makes it OK to go ahead and be against it? Did it ever occur to any of the professionals that by recommending a low carb diet it might actually encourage people to maintain it? Instead, you are giving them excuses and reasons to eat way too many carbs!! Last August 2016 I was diagnosed with T2, with an A1C of 12.7. My last blood test showed an A1C of 6.2 (July 2017) and I had reduced some of the meds I was originally on. I am still working on lowering my numbers. The whole process has been a slow progression to keto and I had to stumble on the whole thing myself through my own research. I tried vegan at first and quickly realized that I was eating too many carbs. Then I went low carb but knew I could do better. When I tried the Keto diet, my numbers went much lower. You get over the sweet addictions. You get over the bread addictions and you find suitable substitutions. You do what you have to do. But by not recommending an ultra low carb diet simply because you don’t think people can do it is ridiculous! It is basically telling people that they can’t possibly manage their own lives… they can’t possibly make their own, good choices. And then, because you are the authority, you are giving them reasons to not even try. You defeat them before they even begin. It just amazes me!
I take thyroxine 150mgs for my underactive thyroid issue. My dose does need to be adjusted regularly. I have gradually put weight on despite eating healthily & generally avoiding fats, because of a raised Cholesterol level. I can’t take Statins either because it causes muscle problem! All in all I am at a loss. I really want to lose my excess weight (28pounds). I have started the keto diet now & it’s a way of eating totally alien to me! I’m eating foods I never eat! I’m only a week in & am having dizzy episodes but am taking the steps to stop these but now I have read that having thyroid issues I should not pursue it. I’m really devastated. Can I get around this?
Hi, I think Keto is a great starting point. I am almost 60 years old and finally feel good, no fogginess or sluggishness. For the first time I have no hippy handles and my tummy is flatter – no bloating or puffiness and I feel more energetic. I have only been doing Keto for about 4 weeks. I am so happy with the results!! I will continue for another 8 weeks or so then I will add more foods back in BUT moderation is key. I will slowly up my healthy carbs and find what is good for me. Happy days everyone!!! =)
The ketogenic diet may seem like the Jekyll to the Hyde-like low-fat craze of the 1990s. The bulk of current research finds that the middle ground between the two extremes is more beneficial for overall health. Make it easy for yourself: Eat at least two servings a week of fatty fish (salmon, sardines, mackerel) and cook with a variety of quality fats (olive oil, canola oil, avocado oil) throughout the week.
The research on how diet affects PCOS is minimal, but there is one compelling study on the ketogenic diet and women with PCOS. In this study, five overweight women ate a ketogenic diet (20 grams of carbohydrates or less per day) for 24 weeks. The results were astounding — average weight loss was 12%, free testosterone decreased by 22%, and fasting insulin levels dropped by 54%. What’s even more impressive is that two of the women became pregnant despite previous infertility problems.
Turoff doesn't think the keto diet should be a go-to solution for weight loss, and she's not alone in this opinion. Many of the dietitians Shape spoke to for this story had similar thoughts on the keto diet, which is why many of them strongly encourage anyone who is thinking about trying a ketogenic diet to chat with a registered dietitian first. (Related: Why This Dietitian Is Completely Against the Keto Diet)
A ketone body (KB) is a byproduct formed during the conversion of fatty acids to fuel. Some fatty acids are oxidized by the liver for energy production. Others can be partially oxidized to form the substrate acetoacetate, which is then converted to beta-hydroxybutyric acid; collectively, these are termed ketone bodies. Ketones can be used by all tissue containing mitochondria, which includes muscle and the brain.
Note: Are you a vegetarian or vegan and want to go on a ketogenic diet? It’s still possible! Just keep in mind that the dietary restrictions can sometimes be a little bit intense. Make sure to plan ahead and prepare to aid your success. To help out, we’ve published articles (with 7 day meal plans included) for both the vegetarian ketogenic diet and the vegan ketogenic diet.
Additionally, you may find it difficult to eat adequate calories on a daily basis because fat is so filling. Some people even opt to fast for several hours each day. While this may help with weight loss, your body needs those calories for proper maintenance. Without them, it may turn to burning muscle for energy, and that can accelerate muscle loss.
When your brain uses ketones for fuel, you don’t experience the same energy slumps as you do when you’re eating a lot carbs. On keto, your brain won’t start to panic, wondering when it will get its next hit of energy. When your metabolism is in fat-burning mode, your body can simply tap into its readily available fat stores for energy. The result? No more energy crashes or brain fog.
Eat micronutrient dense foods every day. The most nutrient-rich foods are pasture-raised organ meat, wild-caught sardines and salmon, and low-carbohydrate vegetables like spinach, kale, and broccoli. During early pregnancy and prior to conception, foods higher in folate, such as liver and dark leafy greens, are essential. Vitamin D (high in beef liver and sardines), iodine (high in seaweed and raw cheeses), and DHA (high in sardines and fatty fish) are essential as well.
But people who started following the keto diet noticed weight loss for a few reasons: When you eat carbs, your body retains fluid in order to store carbs for energy (you know, in case it needs it). But when you’re not having much in the carb department, you lose this water weight, says Warren. Also, it's easy to go overboard on carbohydrates—but if you're loading up on fat, it may help curb cravings since it keeps you satisfied.
Either there are very few participants in the studies, they don’t have an even number of males vs. females, or they don’t last but a few months. One study only looked at 28 people; only 21 completed the study and 20 of these participants were men. On top of this, they were only followed for 16 weeks. Okay, so we see that 20 men can limit their carbohydrates severely for 4 months and lose weight which automatically makes their A1c come down. Great! So, the real question is, how long can these 20 men stay on this diet for the rest of their lives? How long would you like to go without eating any fresh fruit? I’m craving some now, so I’m taking a break to go grab a snack now!
Regarding keto diets specifically, studies have proven this method to be more effective than moderate protein diets in lowering blood glucose, promoting weight loss and lowering HbA1c in patients with Type 2 diabetes. A growing number of clinicians now agree that low-carb diets can effectively treat this disease. The fact remains: these diets remain controversial and contradict dietary guidelines, so they are not very often discussed or recommended in the clinical setting.
The primary outcome, hemoglobin A1c, decreased from 7.5 ± 1.4% at baseline to 6.3 ± 1.0% at week 16 (p < 0.001), a 1.2% absolute decrease and a 16% relative decrease (Table (Table4).4). All but two participants (n = 19 or 90%) had a decrease in hemoglobin A1c (Figure (Figure1).1). The absolute decrease in hemoglobin A1c was at least 1.0% in 11 (52%) participants. The relative decrease in hemoglobin A1c from baseline was greater than 10% in 14 (67%) participants, and greater than 20% in 6 (29%) participants. In regression analyses, the change in hemoglobin A1c was not predicted by the change in body weight, waist circumference, or percent body fat at 16 weeks (all p > 0.05).
A ketogenic diet elevates the levels of ketone bodies in the system—these are the byproducts of the body breaking down fat for energy when carbohydrates are in short supply, a process called ketosis. The average American gets most of their energy from glucose, which comes from carbs and sugars. When you’re in ketosis, though, your body goes into hyper fat-burning mode, also using up stored body fat, which is why it’s effective as a weight-loss strategy.
Now, there’s even evidence that a low-carb, high-fat regimen (as the keto diet is) helps you live longer, compared to a low-fat diet. In a study by the medical journal The Lancet that studied more than 135,000 adults from 18 countries, high carbohydrate intake was associated with higher risk of total mortality, whereas total fat and individual types of fat were related to lower total mortality. Total fat and types of fat were not associated with cardiovascular disease, myocardial infarction or cardiovascular disease mortality.
Carbohydrates: Historically, a targeted keto diet consists of limiting carbohydrate intake to just 20–30 net grams per day. “Net carbs” is the amount of carbs remaining once dietary fiber is taken into account. Because fiber is indigestible once eaten, most people don’t count grams of fiber toward their daily carb allotment. In other words, total carbs – grams of fiber = net carbs. That’s the carb counts that matter most.
What sort of negative health effects might an overly acidic pH level contribute to? A few include: bone loss, muscle loss, and higher susceptibility to frequent infections or illnesses. One way to track if your body is adapting well to an alkaline diet is testing your urine pH level. The pH scale ranges from 1–14, with seven being neutral and anything higher than seven beings alkaline. The goal is to ideally have a urine alkaline pH level between of 7.0–7.5 (a number that is slightly more alkaline than acidic).
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A keto diet has shown to improve triglyceride levels and cholesterol levels most associated with arterial buildup. More specifically low-carb, high-fat diets show a dramatic increase in HDL and decrease in LDL particle concentration compared to low-fat diets.3A study in the long-term effects of a ketogenic diet shows a significant reduction in cholesterol levels, body weight, and blood glucose. Read more on keto and cholesterol >
The diet is extremely regimented and very difficult to stick to, as just one baked potato and one slice of bread could hold an entire day’s worth of carbohydrates. While this is a deterrent for many, Christy Brissette, RD, a private-practice dietitian in Chicago, notes that many of her patients like the diet because of its strictness. “Some of my clients feel that the keto diet works for them because it doesn't involve any calorie counting and the rules are simple to understand,” she says. “They feel they have strict parameters that can take the guesswork out of dieting.”
Certain Cancers Keto may be used in combination with chemotherapy and radiation, some studies have suggested, including one published in November 2018 in the journal Oncology. (12) But ultimately more studies are needed to determine if keto can play a role in cancer therapy, and patients should not use it as a stand-alone treatment or without a doctor’s consent.