NOW Sports L-Arginine Powder - 1000mg Pure Amino Acid Supplement for Heart Health, Muscle Growth & Energy Boost - Ideal for Athletes, Bodybuilders & Fitness Enthusiasts

• Pure Powder
• Protein Metabolism*
• 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.*

Natural color variation may occur in this product.

This product is sold by weight not volume.

NOW^® L-Arginine is pharmaceutical grade.

*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.