NOW Sports L-Arginine Double Strength - Informed Sport Certified 1000 Mg - 180 Tablets

Non-GMO. Muscle Maintenance. The Informed Sport certification program includes:. Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein production. World class lab with 180+ years testing experience, including 60+ years expertise in doping control Nitric Oxide Precursor. Amino Acids. Steroid Tested. 25,000+ samples tested/year. Vegan. Accredited to ISO 17025, a globally recognized standard. This product has twice the L-Arginine (1,000 mg per tablet) as in our regular strength product (500 mg per capsule). Kosher. It is an important precursor of nitric oxide (NO) and thus plays a role in the dilation of blood vessels. The L-Arginine used in this product is pharmaceutical grade. Protein Metabolism. 6,000+ certified products and 750 brands in 150 countries. Testing EVERY BATCH for over 285 substances banned by WADA and major sport bodies.

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NOW Sports L-Arginine Double Strength - Informed Sport Certified 1000 Mg - 180 Tablets