Arginine is an amino acid that helps the body build protein and is involved in many other functions. It's found in many protein-rich foods, and can also be taken as a supplement.
What does arginine do?
Cell growth
Arginine is involved in polyamine synthesis, which helps cells grow and divide
Wound healing
Arginine is involved in proline synthesis, which helps with wound healing and collagen synthesis
Blood flow
Arginine helps produce nitric oxide, which relaxes blood vessels and improves blood flow
Immune function
Arginine helps stimulate the immune system and is a precursor for nitric oxide, which signals immune cells
Urea cycle
Arginine is an important intermediate in the urea cycle, which helps the body detoxify nitrogenous wastes