What does Creatine do?

When an athlete is doing an intense quick-burst activity such as weightlifting, their muscles must contract, needing a quick source of energy while the force of muscle contraction depending on the amount of stored ATP (Adenosine Triphosphate). When the ATP is used, it turns into ADP (Adenosine Diphosphate). Creatine increases the availability of ATP by reacting with the ADP in the body and turning it back into ATP. The more ATP in the body means the more fuel for the muscles. Creatine also helps to increase your muscle size by volumization. Volumization is the process of pulling fluid into the muscle cells and thus increasing their volume. Creatine also helps users to gain weight in this manner.