There are three macronutrients: carbohydrate, protein, and fat. What may be different for everyone though is what percent of their total calories are given to each macro. Carbohydrates are one of the most important sources of energy for your body. A big misunderstanding is that you don't need them. Because of that, people often try to go about their days without taking in things that have carbs. As a result, those who do that may feel lethargic, moody, sick, etc. The idea th