The classic ketogenic diet is not a balanced diet and only contains tiny portions of fresh fruit and vegetables, fortified cereals and calcium-rich foods. In particular, the B vitamins, calcium and vitamin D must be artificially supplemented. This is achieved by taking two sugar-free supplements designed for the patient's age: a multivitamin with minerals and calcium with vitamin D.[3] A typical day of food for a child on a 4:1 ratio, 1,500 kcal (6,300 kJ) ketogenic diet comprises:[27]
There are three kinds of ketones, and the urine is only tested for acetoacetate. As you switch to the more efficient fat-burning process, you convert that acetoacetate to beta-hydroxybutyrate. So, yes, your test can show negative or zero ketones. Look at other factors. Are you losing weight? Are you feeling good? If you’re doing 20 grams net carbs a day or less, you’re going to be in ketosis, no matter what.
Ketogenic diets are very, very powerful, metabolically speaking and this is especially important if you take any kind of medication for blood pressure, diabetes, cholesterol or triglycerides. The amount taken of these medications will most likely need to be sharply reduced while on a ketogenic diet to avoid negative effects such as excessively low blood sugar or blood pressure.

There are many ways of implementing a low carbohydrate, ketogenic diet plans but most involve following a higher fat, moderate protein, low carb food plan.  (The Atkins diet is one of the most famous ketogenic diets, but certainly not the only one).  Many people think of ketogenic diets as high protein diets but this is incorrect. They are moderate protein diets.
Short-term results for the LGIT indicate that at one month approximately half of the patients experience a greater than 50% reduction in seizure frequency, with overall figures approaching that of the ketogenic diet. The data (coming from one centre's experience with 76 children up to the year 2009) also indicate fewer side effects than the ketogenic diet and that it is better tolerated, with more palatable meals.[3][49]
For most people, this eating style is a significant departure from the diet that they are comfortable eating. Most of us build meals around lean protein and carbohydrates, not fat. So before you decide to adopt the diet, it's smart to evaluate keto meals plans and think about whether or not you think you can stick to it for the long term. For example, if you are an eater who loves to include plenty of fresh fruits and vegetables at every meal, you might not be able to maintain this eating style.
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."
Think about what’s happening. Your cells are resisting insulin, causing your body to make a lot more. With all this extra insulin in your blood, you could experience low blood sugars. This is called hypoglycemia, a word made from hypo (low) and glycemia (glucose in the blood). Hypoglycemia is caused by too much insulin in the blood and is a prediabetic symptom. Signs of hypoglycemia include cravings for carbs and sweets, being irritable, moody or depressed, having vision problems, being hungry or dizzy, and the list goes on and on. Your brain is the first organ to feel the effects of low blood sugars.

In the first week, many people report headaches, mental fogginess, dizziness, and aggravation. Most of the time, this is the result of your electrolytes being flushed out, as ketosis has a diuretic effect. Make sure you drink plenty of water and keep your sodium intake up.6One of the fathers of keto, Dr. Phinney, shows that electrolyte levels (especially sodium) can become unbalanced with low carb intake.
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