Optimum Nutrition Micronized Creatine Powder For Muscle Strength is manufactured with 100% pure creatine monohydrate which is one of the most widely studied supplement ingredients to help support ATP recycling for explosive movements. Creatine monohydrate supports muscle building, recovery, performance, strength and power when used daily, over time and combined with exercise. More over that creatine supports muscle building when it taken over time with exercise and is a dietary supplement that increases muscle performance in short-duration and shows high-intensity resistance exercises. This muscular boost may helps athletes to achieve bursts of speed and energy, especially during short bouts of high-intensity activities such as weight lifting or sprinting.