L-Arginine is an amino acid that supports nitric oxide production, which plays a crucial role in vascular function and blood flow.
L-Arginine 1000 by Nutrex Research delivers a full 1000 mg per serving. Simply add it to your favorite pre-workout or libido booster. L-Arginine works best when taken daily. It converts into nitric oxide in the body. Nitric oxide causes blood vessels to open wider for improved blood flow.