Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — CAR
Saliva and Blood Cortisol Testing for Adrenal Function: Understanding the Stress-Hormone Connection
Posted by Hormone Lab UK Editorial Team on
Discover how saliva and blood cortisol testing reveal adrenal function and help diagnose stress-related hormone imbalances like fatigue, anxiety, and burnout.
The Cortisol Awakening Response (CAR) and Adrenal Function
Posted by Hormone Lab UK Editorial Team on
The Cortisol Awakening Response (CAR) — the 50% surge in cortisol that occurs in the first 30 minutes after waking — is one of the most sensitive markers of HPA axis health. Discover how CAR differs from the standard diurnal cortisol curve, which conditions are linked to blunted or exaggerated CAR, and how three timed morning saliva samples can reveal adrenal function in ways a single cortisol test cannot.