Answers:    According to Wiki, "Creatinine is a break-down product of creatine phosphate in muscle, and is usually produced at a fairly constant rate by the body (depending on muscle mass)."
If you add more Creatine, your body will break some of that down into Creatinine. If you are worried nearly your levels of Creatinine, I would definitely recommend checking with your doctor to see if it would be virtuous for you to take more Creatine on a regular basis. Good luck and I hope I helped!

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