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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 ...

With home testing options increasing more than ever, you now also have the ability to test for kidney function within the comfort of your own home. Learn more about our four best picks for at-home ...

Elevated creatinine levels signal potential kidney strain, indicating impaired waste filtering. While normal ranges exist, factors like muscle mass and diet influence results. Persistent high levels ...