What is creatinine? Creatinine may be defined as extra waste product that is produced by our muscles and excreted out from body by kidneys. The final product of creatine metabolism is called creatinine. Ideally high level of creatinine deposited in our body shows that our kidneys are not working properly. Normal range of creatinine in males is 0.6 to 1.2mg/dl and in females … [Read more...]