L-Arginine is one of 20 amino acids, the building blocks of protein. Arginine supports the effect of exercise and is one of the most important amino acids for heart health.**This maximum strength formula provides enough L-Arginine to support nitric oxide synthesis (NOS), which can help support healthy circulation and nutrient delivery to the cells.**

Each caplet serving contains 1,000mg L-Arginine.Best taken on an empty stomach.Vegetarian.

Contains 100 coated caplets.