Jarrow Formulas Arginine 1000 mg

L-Arginine is an amino acid that plays an important role in several important pathways, including the synthesis of proteins, the production of creatine phosphate (needed to produce ATP) and the synthesis of nitric oxide, a secondary messenger involved in blood flow.*. . A Precursor to Protein and Nitric Oxide Synthesis That Plays a Number of Diverse Functions in the Body, Including Supporting Tissue Repair*