Our body uses the main energy source from carbohydrates. Mainly called blood sugar, when blood sugar is not circulating in the blood, our body begins to break down fat molecules to produce energy. That process was called ketosis. The ketosis process builds energy in our body until we start eating carbohydrates. Generally, 20 to 50 grams of carbohydrates are used for two to four days. Then the fat in our body begins to burn. It's a very personalized process. Also, some people prefer a variety of controlled food to produce enough ketones. Because it hasn’t carbohydrates,