Puritan's Pride L-arginine 1000 Mg Capsules, 100 Count, White, (4332490165)

Arginine is one of 20 amino s, the building blocks of protein. Arginine can serve as a source of energy, and is involved in various pathways throughout the body. Arginine supports the effect of exercise and is one of the most important amino s involved in immune function. Country of Origin: United States of America Manufacturer/Importer/Packed By: Puritan's Pride