L-arginine is an amino acid, which makes it a building block of protein. “It is a conditionally essential amino acid, meaning that our bodies produce it naturally, but do not necessarily produce as ...

Which L-arginine supplements are best? Over 80 million Americans have some form of cardiovascular disease. Arginine, also known as L-arginine, is a naturally occurring supplement that can help with ...

Medically reviewed by Suzanne Fisher, RD Key Takeaways Nitric oxide helps improve blood flow and can regulate blood pressure.Nitric oxide can boost exercise performance by enhancing oxygen delivery to ...