Puritan's Pride L-Arginine 1000 mg Capsules, 100 Ct

Arginine is one of 20 amino acids, 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 acids involved in immune function.

Puritan's Pride L-Arginine 1000 mg Capsules, 100 Ct