Source Naturals L-Arginine, Free Form, Supports Muscle Metabolism* - 3.53 oz. (100 Grams) - Powder

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 also a precursor of guanidine-phosphate, phosphoarginine, and creatine, which are high-energy compounds found in muscles.* *These statements have not been evaluated by the Food and Drug Administraon. This product is not intended to diagnose, treat, cure, or prevent any disease.