L-Citrulline is an amino acid that helps create more L-Arginine in the body. Increased L-Arginine levels enhances the production of Nitric Oxide in the body. This process helps to increase the "pump" as well as help to reduce fatigue for the exerciser. L-Citrulline has seen a meteoric rise in the supplement industry over the years. L-Citrulline Powder is an excellent ingredient to add to your sport supplement arsenal.* DirtCheapSupps L-Citrulline Powder is free of any binders or anti-caking agents. What you get is exactly what you are paying for...only the finest raw material without the fluff. Trust DirtCheapSupps for all of your supplement raw material needs. Every raw material is thoroughly tested utilizing both HPLC testing and FTIR analysis to determine both purity and potency. COA's are available upon request. *NOTE: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Store this raw material in a cool and dark place. Keep away from children.