Power Pak Nitro is a cutting edge pre-event formula designed specifically for your performance horse in a one dose / one event pak. Power Pak Nitro is supercharged with Creatine Ethyl-Ester and L-Arginine Alpha Keto-Glutarate to support Nitric Oxide levels. Nitric Oxide is a key molecule used to transport oxygen and promote muscular blood and nutrient flow. These ingredients combined with a powerful proprietary blend of herbs such as Schisandra, Bulbus Fritillaria, Dong Chong Xia, and Ci Wu Jia help Power Pak Nitro support lung, cardiovascular and muscles during the most intense competitions.