Consult with your doctor before taking any medications and supplements to protect your kidneys.
Other than for trying to increase muscle mass in general, low creatinine levels usually do not require treatment.
If you take a creatine supplement, you'll likely need to stop use.
Creatinine starts to increase rapidly, but with the help of diet and proper functioning of the kidney, Creatinine goes out of the body through urine.
A member of your healthcare team will simply take a blood sample from you and have it analyzed in a laboratory.
National Institute of Diabetes and Digestive and Kidney Diseases.