Nitric oxide boosters are a relatively new phenomenen to the sports supplements and bodybuilding nutrition market. Nitric Oxide Supplements generally center on the key ingredient arginine-alpha ket-glutarate, and they increase blood flow the muscle tissue - resulting in increased muscle pumps and greater nutrient supply to the tissues. BSN are widely credited with making this supplement category popular with their massive-selling NO-Xplode and BSN Nitrix products. Most Nitric Oxide (NO) supplements, like Gaspari Superpump, are fortified with energy increasing stimualants to further enhance the muscle pumps and workout performance.