What are amino acids primarily known for in the body?

Amino acids are primarily recognized as the basic units that make up proteins, which are essential macromolecules in the body. Proteins play various critical roles, including building and repairing tissues, acting as enzymes to facilitate biochemical reactions, and supporting immune function. Each protein is composed of a unique sequence of amino acids, which determines its specific structure and function.

The significance of amino acids extends beyond just being building blocks; they also participate in metabolic pathways and can be converted into other compounds that the body requires. This fundamental role in protein synthesis is what makes amino acids vital for growth, development, and overall health.

Understanding this context helps clarify why amino acids cannot be accurately described simply as a source of energy, vitamins, or regulation of blood sugar levels; those roles are more specifically associated with other nutrients and biological processes.