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    No! This is a myth. Excess creatine becomes creatinine which is then excreted via the kidneys. Kidney function is measured by glomerular filtration rate which shows how efficiently the glomerulus of the kidneys filters blood. Creatinine clearance was classically used as a measure of glomerular filtration rateusing a creatinine clearance...
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    I will start this Ask the Supplement Guru by noting that I have recommended taking creatine both before and after workouts for more than a decade. It simply works the best in the gym, and research also backs up this practice. However, debate is still raging among other experts on...
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    Creatine is a natural substance, largely found in muscle, that’s sold as a supplement. There’s some evidence that it can help young athletes build muscle mass and improve athletic performance that requires short bursts of muscle activity, such as sprinting. For that reason, it is banned by some, but not...