NOW Supplements, L-Arginine 1,000 mg, Nitric Oxide Precursor, Amino Acid, 120 Tablets
NOW L-Arginine comes in extra strength 1,000 mg tablets and is non-GMO. 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…
