Understanding the Role of L-Arginine in Nitric Oxide Production L-arginine plays a vital role in your body as the precursor to nitric oxide, a molecule essential for maintaining healthy blood flow and cardiovascular function. Nitric oxide acts as a signaling molecule, helping to relax blood vessels and improve circulation.
L-arginine plays a vital role in your body as the precursor to nitric oxide, a molecule essential for maintaining healthy blood flow and cardiovascular function. Nitric oxide acts as a signaling molecule, helping to relax blood vessels and improve circulation.