Creatine Kinase, Total: An enzyme that indicates muscle breakdown which may be a normal response to exercise, but is sometimes used to identify neuromuscular conditions or serious muscle injury.
Leptin: A hormone that helps regulate appetite, energy balance, and metabolism; abnormal levels may provide insight into leptin resistance and metabolic health.
Adiponectin: A hormone that supports insulin sensitivity and healthy fat metabolism; lower levels are often associated with increased metabolic and cardiovascular risk.