Macronutrients, or “macros,” are nutrients your body needs in large amounts to function optimally. The three main macros are carbohydrates, protein, and fat. Share on Pinterest Nadine Greeff/Stocksy ...

Macronutrients are the nutrients that your body needs in large amounts, which include fat, carbohydrates, and protein. They're the nutrients that give you energy and are often called "macros".

Macronutrients, or "macros," are essential nutrients your body needs in significant amounts for optimal function. The three main macronutrients—carbohydrates, protein, and fat—play unique roles in ...