Creatine Facts: Creatine Information
Continued from What Is Creatine?
What creatine does Creatine concentrates mostly in the large (skeletal) muscles, where it is involved in producing energy and moderating muscle fatigue. An adult of average weight (about 155 pounds) stores approximately 120,000 mg of creatine and uses approximately 2,000 mg every day.
However, intensive exercise quickly uses up creatine. Muscle stores of creatine are believed to decrease dramatically during the first few seconds of exercise, especially activities that require a maximal effort or energy burst like sprinting, kickboxing, or heavy weightlifting.
As muscles use creatine for energy, this substance is then changed into a metabolic waste product known as creatinine, which is filtered into the urine by the kidneys.
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