NOW Sports L-Arginine Powder

Pure Powder Protein Metabolism* Nitric Oxide Precursor* 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.* Natural color variation may occur in this product. This product is sold by weight not volume. NOW® L-Arginine is pharmaceutical grade. *These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.