GNC L-Arginine 1000 mg – Caplets

The amino acid arginine has several roles in the body, such as helping remove ammonia from the body, which is a waste product of protein metabolism. Arginine is also an essential precursor of nitric oxide, which helps maintain blood vessel tone.*

• Essential precursor of nitric oxide.*


• Helps maintain healthy blood vessel tone.*


• 90 caplets / 90 servings