A perfect formula with L-arginine that can help regulate blood flow and improve the overall health of your vascular system When it comes to developing heart risks, it's not just about your age, it's about your overall health. Any medical condition or event affecting your bloodstream increases the risk of developing cardiovascular disease. Therefore, it is essential to ensure that your blood flow is stable. L-Arginine from Nature's Bounty is enriched with L-Arginine, a substance that is one of the twenty amino acids and is supposed to improve your blood circulation.