Keeping your muscles healthy will help you to be able to walk, run, jump, lift things, play ... Healthy muscles let you move freely and keep your body strong.
Optimal range: 24 - 204 U/L
Creatine kinase (CK) is an enzyme that our muscles release into the bloodstream in response to physical damage. CK tests are often run to diagnose a heart attack or determine the extent of a sports related injuy.