Micronized Creatine by Optimum NutritionOptimum Nutrition Micronized Creatine Powder Boost your athletic performance with 99. 9% pure Creatine Monohydrate! Optimum Nutrition uses the power of this substance to support muscle building, power, and size. Each serving provides 5 g of Creatine Monohydrate, which increases your muscles phosphocreatine stores. Phosphocreatine aids the formation of a special molecule your cells use for energy production and other basic life functions. While youre