Dr. Rengifo’s L- Arginine IV formulation might improve sexual function in men with erectile dysfunction due to a physical cause.  It acts to boost blood flow in people with peripheral arterial disease. L-Arginine is an amino acid that helps the body build protein, and works as a vasodilator as well when it becomes Nitric Oxide in the body opening blood vessels. More oxygen-rich blood can circulate through your arteries.  This healthy blood flow to the arteries of the penis is essential for normal erectile function. 

L-Arginine: Classified as amino-acid. Amino acids are the building blocks of proteins. Acts as a vasodilator, meaning it helps to dilate (open) the blood vessels increasing blood flow.