Creatine Kinase

This add-on measures the level of creatine kinase (CK) in your blood, an enzyme found in your muscles, brain, and heart. Elevated CK levels may indicate muscle damage, inflammation, or stress, and can be useful for detecting conditions such as muscle disorders, heart injury, or overexertion—even if symptoms are mild or not yet noticeable.  Read our complete guide to Creatine Kinase →