ffects are unknown. For many prescription drugs there is little or no data existing regarding combining strenuous exercise with drug therapy.
             There has also been an increase of use of sports medicine. The purposes of most of the new dietary supplements are to increase strength, muscle mass, power, or to loose weight. Manufacturers of these drugs are prohibited from making direct claims that their product can treat diseases, but they are allowed to make any claims regarding purity, safety, and efficacy of their supplement to improve performance or to produce the claimed results.
             Creatine is one of the most discussed and widely used dietary supplements among athletes and fitness enthusiasts today. Competitive and recreational athletes are using creatine, or more specifically creatine monohydrate, in an effort to improve their performance in high-intensity, short-duration activities. Harris et al.'s 1992 article on the effects of creatine supplementation
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