NOW Supplements, L-Arginine 1,000 mg, Nitric Oxide Precursor, Amino Acid, 120 Tablets, Orange, (0035)

DOUBLE STRENGTH L-ARGININE: NOW offers this non-GMO, double strength L-Arginine supplement in 1,000 mg tablets. NITRIC OXIDE PRECURSOR*: Arginine plays an important role in the dilation of blood vessels.* CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Kosher, Soy Free GMP quality assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation). Packaged in the USA by a family owned and operated company since 1968 All products currently listed on this site are for research purposes ONLY and not for human consumption.