Arginine Alpha-Ketogluterate (AKG) in a sustained release formula which is pH buffered (just like that other famous national brand) to ensure maximum absorption. Arginine released into the bloodstream will dramatically increase Nitric Oxide production. This system uses a liquid form which allows Nitrox Infusion to get into your muscles within 5-10 minutes! All other NO Dilators take from 4-6 hours to become fully absorbed. Nitrox Infusion is meant to be taken in 10-15 minutes before a workout or athletic event. Muscle pumps you can see within minutes!Flavors:Extreme Grape, Extreme Orange, Extreme Raspberry