Now - L-Arginine 500mg Veg Capsules - 250's

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.
Ingredients: L-Arginine.
Storage Temperature: Store below 25 degrees C.