Universal Nutrition Animal Pump is a pre-workout nitric oxide product infused with creatine. Animal Pump contains an impressive ingredient profile with muitlple types of Creatine, Arginine AKG, Citrulline Malate, NAC, and Green Tea Extact. There are many pre-workout supplements that are full of stimulants that will help you power through a tough workout. Animal Pump does so much more. Your muscles will swell to the size of ballons during the cell volumization, and the synergistic blend of ingredients help create a probolic window for muscle growth. The antioxidants support healthy immune function and get your body ready for your next visit to the gym.