Creatine enhances the body's capacity to perform high intensity work (and assists greater muscle size and performance gains as a result).
Creatine used in this manner is regarded as a high-energy phosphate, and its role in energy production cannot be overstated. Whenever the body uses energy, a molecule called ATP (an adenosine with a tail of three phosphate groups, hence its name Adenosine Tri Phosphate) is used as an energy source - as a fundamental energy donor.
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