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NOW Foods L-Arginine, Nitric Oxide Precursor

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 in the dilation of blood vessels.* The L-Arginine used in this product is pharmaceutical grade. Natural color variation may occur in this product.

• CONDITIONALLY ESSENTIAL AMINO ACID: Arginine is an important precursor of nitric oxide and plays a role in the dilation of blood vessels.*
• NON-GMO AND VEGAN: The L-Arginine used in this product is pharmaceutical grade.
• CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Vegan, Keto Friendly
• 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.