Nutrition For Mortals Adrenal Fatigue and Cortisol Confusion
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Mar 18, 2026 They unpack where the adrenal fatigue idea came from and why it differs from real endocrine disease. They explain what cortisol actually does and how its daily rhythm works. They call out trendy diet and supplement claims and the risks of glandular products. They highlight how stress, sleep, and basic nutrition tie into cortisol and practical steps people often overlook.
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Cortisol Is Normal Stress Physiology
- Cortisol is a steroid hormone produced by the adrenal glands that helps the body adapt to stress and affects metabolism, immunity, and blood pressure.
- Cortisol follows a circadian rhythm, peaking in the morning after waking and declining through the day, which helps alertness and energy regulation.
Origin Story Of Adrenal Fatigue Diagnosis
- James Wilson, a naturopathic chiropractor, coined adrenal fatigue in a 1998 book after treating fatigued patients in a farming community and creating cartoons and a quiz to describe symptoms.
- Wilson built protocols from anecdotal successes and supplements rather than controlled research, which he admits in his retelling.
Adrenal Fatigue Is Not A Recognized Diagnosis
- Major endocrine societies do not recognize adrenal fatigue; validated adrenal disorders are rare conditions like Addison's disease (insufficiency) and Cushing's (excess).
- Reported adrenal fatigue symptoms are nonspecific and differ from true adrenal insufficiency signs like weight loss, low blood pressure, nausea, and dry skin.