But knowing how many calories you need to eat is useless if you don’t know where these calories come from. After calculating your caloric needs, the next step is to divide these calories into an optimal macronutrient factor, simply called “macros” in the world of bodybuilding. Macros are, of course, proteins, carbohydrates and fats. The word “macro” simply means big, because these nutrients are needed by the body in large quantities for energy, growth, tissue repair, immune function, metabolism, and other important things in the body. The body also needs trace elements (“micro”, which means small). These are vitamins, minerals ...
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