Source Naturals Free Form L-Arginine Capsules 500mg
L-Arginine is a crystalline, free-form amino acid. It is an important factor in muscle metabolism and works to transport, store, and excrete nitrogen.* It is a precursor for nitric oxide, which promotes increased circulation by relaxing blood vessels.*
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.