As a result the introduction of creatine as a body builder has resulted in the dramatic rise in popularity in almost every health food store and pharmacy across the United States and Europe as a competitor to steroids in the body building market. However, like steroids and despite sporadic case reports linking the use of creatine with serious toxic effects and even fatalities, its use continues to grow as a result of tremendous television, ration and newspaper focus. Creatine is found naturally in the tissues of the body mostly in the phosphate form, phosphocreatine or creatine phosphate. The estimated body pool is about 121 grams to 150 grams. The recommended daily allowance of creatine is only about 2 grams per day and can be obtained by ingesting products like milk, steak, and fish.
Creatine is produced and stored in some organs of the body.
Although, this amount is small, it is proportional to muscle mass. After synthesis, it is transported to the muscle, heart, and brain where it supplies energy. It s role as an energy source for muscle is somewhat limited as it is improves performance for short duration activities only. It is not testosterone or related structurally to testosterone. This ATP, in turn is needed to provide energy in the breaking of the actin-myosin cross bridges that is required for muscle contraction.