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.