Source of energy in the body**
Supports the effect of exercise**
16 day supply

Source of cellular energy in the body** Supports the effect of exercise** Arginine is one of 20 amino acids, the building blocks of protein.** Arginine can serve as a source of cellular 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.**