Creatinine levels can vary depending on a number of factors. Such as age, gender, muscle mass, and overall health.
For adult females, the normal range is usually around 0.5 to 1.1 mg/dL.
For adult males, the normal range is around 0.6 to 1.2 milligrams per deciliter (mg/dL).
Creatinine levels falling below 0.5 mg/dL is considered low for females.
Creatinine levels falling below 0.6 mg/dL is considered low for males.