Endocrinologists and the Endocrine Society say “adrenal fatigue” is not a medical diagnosis and that consumer cortisol readings can be easily misread without specialist guidance.
TikTok-fueled cortisol anxiety has pushed more patients to seek checks, even though cortisol is a normal adaptive hormone that should run high in the morning and low at night.
Eli Health sells saliva test packs for $109 for eight and $199 for 24, but doctors say meaningful cortisol testing for rare disorders like Cushing syndrome requires carefully timed samples and clinical interpretation.
Misreading results can drive people toward unnecessary supplements that may suppress adrenal glands, while trendy fixes like “cortisol cocktails” may only boost hydration or energy rather than address underlying stress or mental health issues.