ATP is the body's immediate energy source for explosive bursts and high intensity activity. Creatine helps provide the raw material to replenish this energy system. Through supplementing Creatine we may help accelerate the rate of this process. Creatine is the sports supplement most often used for lean muscle gain, strength, and muscle endurance. Of all the different forms of Creatine on the market, Creatine Monohydrate remains the most effective, safest, and reliable.