NOW Sports Nutrition L-Arginine Powder Nitric Oxide Precursor Amino Acids 1-Pound 1 Pound (Pack of 1)

Key Benefits

• 🧬 Nitric Oxide Precursor — L-Arginine is an important precursor of nitric oxide and plays a role in the dilation of blood vessels.
• 💪 Protein & Muscle Metabolism — Arginine supports protein metabolism and is heavily involved in muscle metabolism through its role in maintaining proper nitrogen balance.
• 🏭 Pharmaceutical Grade — NOW L-Arginine is pharmaceutical grade and packaged in the USA by a family-owned company since 1968.
• ✅ GMP Certified — Every aspect of NOW's manufacturing process has been examined and certified, including laboratory testing methods for stability, potency, and product formulation.
• 🧪 Amino Acid Function — Arginine is a conditionally essential basic amino acid involved in urea metabolism, excretion, DNA synthesis, and protein production.