L-Arginine 500 mg
Protein Amino Acids

L-Arginine 500 mg Nitric Oxide Precursor* May Support Exercise Performance* The amino acid L-Arginine is used by the body to produce nitric oxide. Nitric Oxide is an important signaling molecule invovled in many biological processes including blood vessel tone and blood flow.* L-Arginine may support aerobic capacity, exercise performance and cardiovascular health.*"