not necessary to get the results proteins are capable of. The supplements just increase the speed and effectiveness of the proteins. Proteins can help to increase the level of intensity in a competition.
             With promises of bigger muscles and improved performance, creatine has created more interest than almost any other dietary supplement. It is used by body builders and athletes of all levels, from famous home-run kings to high school athletes. Even without taking supplements, all people have a small amount of this protein in their bodies. Some of it comes from food, like meat and fish, while the rest is made by the body. Creatine plays an important role in turning food into energy. The real question is if taking extra amounts of creatine can make muscles bigger and improve athletic performance.
             Creatine is important because it can increase the amount of energy available to muscles. The protein is used by the body to make a chemical compound called adenosine triphosphate (ATP), the energy source used by muscles during short, intense activities. (Gale Group 2001) Creatine delays muscle fatigue by re-supplying muscles with ATP. Because creatine can be stored for later use by cells, using extra amounts of creatine may create an energy reserve for muscles. Extra creatine is dealt with by the kidneys. This means that creatine supplements may be useless to people who have enough of the protein, since the kidneys automatically removes extra amounts. (Grolier 1996)
             Creatine may provide a slight energy boost to the muscles of a weight lifter during repetitions or a basketball player who makes yet another drive to the hoop. However, creatine does not increase aerobic capability or improve performance in endurance-type activities such as marathon running.
             Some doctors believe it is safer for people to avoid creatine supplements altogether in favor of eating foods that contain the protein.
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