I kind of cringe when I hear people say they are following a Keto Diet, not because it doesn’t work, but simply because I believe that ANY diet or nutritional plan, that eliminates a macronutrient, shouldn’t be done or taken slightly. It should take a lot of reading, research and the advice of a nutritionist and a doctor, not only to determine if that would be the right plan for you, but also to make sure it is done right.
A ketogenic diet is a high-fat, low-carbohydrate diet, where the macronutrients are usually distributed as: 75% fat; 20% Protein, and 5% Carbs.
Carbohydrate is stored in the body as Glycogen, which is the preferred fuel for muscles and the brain. When this fuel is not available, the body turns fat into energy and produces Ketosis.
More research is needed to clarify the potential benefits of this diet, however, it has been successful for treating epilepsy in children and some adults.
In the other hand, it increases the threat of kidney stones, elevation of blood lipids and bone fractures. And since is low in fiber, it also leads to constipation. (Retelny 2015)
As a nutritionist, my biggest concern with this diet is the fact that by cutting off an entire group of macronutrient (Carbohydrates in this case) there are going to be deficiencies of fiber, vitamins, minerals and phytochemical (think about beans, whole grains, starchy vegetables and fruits). Besides the fact, that I believe (very personal opinion) that it is also very challenging to sustain and adopt it as a life style.
Proteins (animals and vegetables); fats (except from those altered by humans) and carbohydrates (starchy, vegetables, fruits) are the key of an optimal nutrition.
If you want to eliminate something from your life that should be Sugars and Flours, Stone washed jeans, shoulder pads, your ex, and mullet hair … other than that, keep it balance and choose wisely.