Pure CreatineHigh purity, pharmaceutical grade creatine formulated for older adults. In the body, creatine is used to regenerate ATP, the primary energy molecule that powers all functions within the body. Creatine is naturally stored in muscle and brain tissue. This natural store of creatine reduces as you age, or if your diet is lacking in creatine. When you supplement with creatine monohydrate, it increases the available creatine pool in your muscles and your