What is one function of protein in the diet?

One important function of protein in the diet is its role in building muscle and tissue. Protein is composed of amino acids, which are essential building blocks for various bodily structures, including muscles, skin, organs, and enzymes. When individuals consume protein, their bodies break it down into amino acids, which can then be used to repair and grow tissues. This is particularly vital for individuals engaging in physical activity or recovering from injury, as adequate protein intake helps in muscle recovery and growth.

While protein can provide some energy, carbohydrates and fats are primarily the body's main sources of energy. Proteins are less efficient for energy than these macronutrients. Additionally, while some proteins can have hormone-like effects in the body, the primary function relevant to the question pertains to their role in muscle and tissue development. Protein does not store fat; fat storage is a function of lipids in the diet. Thus, the accurate understanding of proteins emphasizes their critical role in building and repairing body structures.