Pump w/NO3 Nitric Oxide Pump Amplifier. Contains Pycnogenol®. Stimulant Free. Creatine Free. Chrome Series 3rd Generation. No Feeling is Greater Than Muscle Pumps that Last All Day. By now you know that NO3 is Nitrate - an advanced compound that delivers unbelievable muscle pumps and amplifies the effectiveness of anything it's co-ingested with. NO3 Chrome utilizes NO3 in the form of Arginine Nitrate - a fusion of L-Arginine and Nitric Acid. Combining these two efficient and powerful vasodilators generates unmatched NO levels in the body giving you the long lasting unbelievable pumps you've been waiting for. . More Than Just Another Nitrate Product... Pycnogenol® is an exclusive component of NO3 Chrome that sets Cellucor's formula apart from anything else on the market today. Pycnogenol stimulates eNOS in arterial cell walls expanding blood vessels up to 78.4%! In several clinical trials Pycnogenol was found to greatly enhance blood flow and oxygen transport to the muscles augmenting athletic and exercise performance and endurance over 21%! . NO3 Chrome also contain Norvaline an integral ingredient typically left out of other NO boosters due to its high cost! Norvaline inhibits Arginase diminishing the body's ability to limit nitric oxide production. Without norvaline your body cannot maximize nitric oxide production from other precursors you're taking - you're wasting time and money!