One downside to a ketogenic diet for weight loss is the difficulty maintaining it. “Studies show that weight loss results from being on a low-carb diet for more than 12 months tend to be the same as being on a normal, healthy diet,” says Mattinson. While you may be eating more satiating fats (like peanut butter, regular butter, or avocado), you’re also way more limited in what’s allowed on the diet, which can make everyday situations, like eating dinner with family or going out with friends, far more difficult. Because people often find it tough to sustain, it’s easy to rely on it as a short-term diet rather than a long-term lifestyle.
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 sugar alcohols and low carb treats before deciding to do a “total carbs” method.
About 20% of children on the ketogenic diet achieve freedom from seizures, and many are able to reduce the use of anticonvulsant drugs or eliminate them altogether.[3] Commonly, at around two years on the diet, or after six months of being seizure-free, the diet may be gradually discontinued over two or three months. This is done by lowering the ketogenic ratio until urinary ketosis is no longer detected, and then lifting all calorie restrictions.[45] This timing and method of discontinuation mimics that of anticonvulsant drug therapy in children, where the child has become seizure free. When the diet is required to treat certain metabolic diseases, the duration will be longer. The total diet duration is up to the treating ketogenic diet team and parents; durations up to 12 years have been studied and found beneficial.[9]
There are many scenarios that can cause constipation with the ketogenic diet. Most people assume it’s a fiber issue; but it’s not that simple. You want to compare what you were doing before ketosis and after. Look at the change in vegetable fiber consumption; if you don’t have enough gut bacteria to digest all these vegetables, they will cause bloating, constipation, gas and all kinds of digestive issues. Some people can digest vegetables and others can’t. Some people can’t digest cabbage or cruciferous veggies. So, you might have to switch to less fibrous vegetables, such as various kinds of lettuce, and especially kale and beet greens, for your potassium. Electrolytes greatly help with constipation, too. If you need more support getting electrolytes, try my electrolyte powder. It helps supply the 4,700 mg a day of potassium you need, which is hard to manage without eating loads of vegetables. 
A short-lived increase in seizure frequency may occur during illness or if ketone levels fluctuate. The diet may be modified if seizure frequency remains high, or the child is losing weight.[18] Loss of seizure-control may come from unexpected sources. Even "sugar-free" food can contain carbohydrates such as maltodextrin, sorbitol, starch and fructose. The sorbitol content of suntan lotion and other skincare products may be high enough for some to be absorbed through the skin and thus negate ketosis.[30]
You may also want to buy some Ketostix Reagent Strips so that you can check to see if you are in ketosis for the first few weeks. However, after the first 3-4 weeks on the plan, the goal is to become "keto-adapted". Once adapted, the body should be burning the ketones for fuel. The stick shouldn't register as deep purple if you are using the ketones as a fuel source. And they now have blood ketone meters available to track blood ketones at home. This is a much more accurate way to track your individual ketone levels. See my ketosis page for more information.
Long-term use of the ketogenic diet in children increases the risk of slowed or stunted growth, bone fractures and kidney stones.[3] The diet reduces levels of insulin-like growth factor 1, which is important for childhood growth. Like many anticonvulsant drugs, the ketogenic diet has an adverse effect on bone health. Many factors may be involved such as acidosis and suppressed growth hormone.[37] About 1 in 20 children on the ketogenic diet will develop kidney stones (compared with one in several thousand for the general population). A class of anticonvulsants known as carbonic anhydrase inhibitors (topiramate, zonisamide) are known to increase the risk of kidney stones, but the combination of these anticonvulsants and the ketogenic diet does not appear to elevate the risk above that of the diet alone.[38] The stones are treatable and do not justify discontinuation of the diet.[38] Johns Hopkins Hospital now gives oral potassium citrate supplements to all ketogenic diet patients, resulting in a sevenfold decrease in the incidence of kidney stones.[39] However, this empiric usage has not been tested in a prospective controlled trial.[9] Kidney stone formation (nephrolithiasis) is associated with the diet for four reasons:[38]

Consuming large salads with spring mix, spinach, arugula, or even cabbage will start to give you the nutrients that help undo insulin resistance. There are numerous studies that demonstrate how various nutrients such as vitamins A, B, C, D, K, potassium, magnesium and chromium improve insulin sensitivity. Adding in intermittent fasting will also help insulin dysfunction, which is the icing on the cake. (Sorry, I couldn’t resist that one.)
Actually, YES—ketchup, BBQ sauce, Asian sauces like duck sauce and sweet and sour sauce are LOADED with sugar and eating sugar with protein greatly spikes INSULIN—exactly what you don’t want to do. Mustard doesn’t. So choose fattier salad dressings like ranch. I like Paul Newman’s line of salad dressings as they contain almost no sugar. Start looking at sugar grams on EVERYTHING. Try to stick around one or less. Two max and only once a day.
Ketosis takes some time to get into – about two weeks of low carb eating is required for the initial adaptation. During this time there will be bouts of sluggishness, fatigue, headaches, and some gastrointestinal issues as you adapt, often referred to as “keto flu“. Proper electrolyte intake will correct most of these issues. In addition, the “diet” aspect of this ketogenic diet plan – that is, the caloric restriction – shouldn’t be worried about. Weight loss will come as your body regulates appetite as it the addiction to sugar and processed food lessens, so restricting calories during the initial two weeks isn’t recommended.

Implementing the diet can present difficulties for caregivers and the patient due to the time commitment involved in measuring and planning meals. Since any unplanned eating can potentially break the nutritional balance required, some people find the discipline needed to maintain the diet challenging and unpleasant. Some people terminate the diet or switch to a less demanding diet, like the modified Atkins diet (MAD) or the low-glycaemic index treatment (LGIT) diet, because they find the difficulties too great.[41]
I wanted to put it out there that I made this meal plan specifically with women in mind. I took an average of about 150 women and what their macros were. The end result was 1600 calories – broken down into 136g of fat, 74g of protein, and 20g net carbs a day. This is all built around a sedentary lifestyle, like most of us live. If you need to increase or decrease calories, you will need to do that on your own terms.
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.
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