Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — four point cortisol test

A clear guide to the sample types and marker groups in this all-in-one test, and what results can and can’t tell you.

Cortisol is your body’s primary stress hormone, produced by the adrenal glands in response to physical, mental and emotional stress. While it plays a vital role in energy metabolism, immune function and cardiovascular health, both chronically high and chronically low cortisol levels can cause significant health problems — from fatigue, weight gain and sleep disorders to burnout and adrenal exhaustion. This article explains what cortisol is, what happens when it goes wrong, and why regular testing matters.