In their quest to run farther, jump higher, and outlast the competition, many athletes have turned to a variety of performance-enhancing drugs and supplements. Creatine is the most popular of these substances, believed to enhance muscle mass and help athletes achieve bursts of strength.
What Is Creatine?
Creatine is a natural substance that turns into creatine phosphate in the body. Creatine phosphate helps make a substance called adenosine triphosphate (ATP). ATP provides the energy for muscle contractions.