NOW Arginine 500mg 250 Caps

• Supports protein and creatine synthesis, nitric oxide production
• Helps the detoxification of ammonia in the body
• Conditionally Essential Amino Acid
• Free Form

L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein production. It is an important precursor of Nitric Oxide (NO) and thus plays a role in the dilation of blood vessels