NOW Foods Double Strength L-Arginine 1000mg, 180 Tablets for Nitric Oxide Boost Bee and You Firms up skin for a

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NOW Foods Double Strength L-Arginine 1000mg, 180 Tablets for Nitric Oxide Boost Bee and You Firms up skin for aDescription Amino AcidsProtein MetabolismNitric Oxide PrecursorMuscle MaintenanceInformed Sport We Test, You TrustA Dietary SupplementSteroid TestedKosherVeganNon GMOGMP Quality AssuredArginine 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.