The Creatine Pages. It is one of the essential factors in muscle contraction. Creatine increases the body's ability to produce more lean muscle tissue. It helps the performance of athletes performing exercises that require quick strength such as weight lifters. Creatine increases endurance and diminishes muscle fatigue.
Creatine is one the few body builder supplements that has actually been proven to work.
Although creatine works best if used in conjunction with exercise, it also increases muscle mass without exercising. In part, this is because water is driven into cells which plumps them up. Some body builders scoff at this but a cell with ample fluid is anabolic. A dehydrated cell is catabolic. In other words, a cell with enough water is stronger, divides and reproduces better, and is less likely to die.