Nature's Bounty, L-Arginine, 1000 mg, 24 X 50 TabsProduct Description L Arginine is one of 20 amino acids, the building blocks of protein. Arginine supports the effect of exercise and is involved in various important pathways throughout the body.* Product Benefits Supports Blood Flow & Vascular Function* Supports Heart Health* Ingredients Supplement Facts Serving Size: 1 Tablet Amount Per Serving %DV L Arginine (as Arginine Hydrochloride) 1,000 mg (1 g) ** **Daily Value not established. Other