Denzour L Arginine is a precursor to nitric oxide. It increases nitric oxide levels and supports enhanced blood flow to your muscles for a more intense, powerful workout, and speedy recovery. Arginine helps the body to retain the nitrogen that is essential to enhance protein synthesis and muscle recovery. Arginine plays an important role in the dilation of the blood vessels, the more blood flow caused by the dilation of blood vessels transports more protein to the muscles to support faster muscle recovery. L-Arginine enhances the functionality of other bodybuilding supplements so that you can extract the maximum benefits out of your dietary nutrition.