NOW Foods  Sports L-Arginine Powder Perspective: Main

NOW Foods Sports L-Arginine Powder

1 lbUPC: 0073373900210
Purchase Options

L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as 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.