Nutrients is the name used to describe the various components contained in food. The body uses the nutrients it receives for growth and repair, for the metabolism, and for many other functions. Vitamins, minerals and dietary fiber are all nutrients, and they are used in a variety of different ways, but carbohydrates, protein, and fat, are the body's only calorie providers and for this reason they are collectively known as macronutrients. Although all three macronutrients are calorie … [Read more...]