Creatinine is a waste product produced naturally by the muscles as they use energy. Healthy kidneys filter it from the bloodstream and excrete it through urine, maintaining balanced levels. When ...

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The need for dialysis depends on symptoms, the cause of the problem, and overall kidney function, not just one lab result ...

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Although they share similar names, creatine and creatinine are two distinct compounds. Creatine is a naturally occurring substance in your brain and muscle tissue that gives your muscles energy.