Usn nutrition creatine monohydrate has been designed with the athlete in mind it is one of the most researched sports supplements in the worldr usn nutrition creatine monohydrate powder is one of the purest forms of creatine available delivering 5g creatine monohydrate in a water soluble form for good bioavailability to provide optimal resultsr creatine works by regenerating your atp this is your bodyrsquos main source of energy once creatine stores in your muscles are depleted your en