Cortisol: How It Works, What It's Studied For & Safety
Cortisol is the principal endogenous glucocorticoid, secreted by the adrenal cortex in a circadian pattern and central to the body's stress, metabolic, and inflammatory signaling. Clinicians consider it for adrenal insufficiency replacement (hydrocortisone is FDA-approved for this indication). Not FDA-approved; dispensed by Wells Pharmacy Network only after a clinician evaluation.
Also known as: Hydrocortisone (when administered), Glucocorticoid
How does Cortisol work?
Cortisol is synthesized from cholesterol in the zona fasciculata under HPA-axis control (CRH→ACTH→cortisol). It binds glucocorticoid receptors throughout the body, regulating gluconeogenesis, lipolysis, immune-cell trafficking, blood pressure, and the diurnal sleep-wake cortisol curve.
What is Cortisol studied for?
- Adrenal insufficiency replacement (hydrocortisone is FDA-approved for this indication)
- Diagnostic evaluation of HPA-axis function (cortisol curves, dex-suppression testing)
- Stress, sleep, and metabolic-recovery research
How is Cortisol taken?
Cortisol itself is the endogenous hormone. Hydrocortisone is the FDA-approved exogenous form available as oral tablets, IV/IM injection, and topical preparations. This wiki entry covers cortisol as a clinical signal, not as a finished drug.
Is Cortisol FDA-approved? Is it safe?
Endogenous cortisol is essential. Exogenous glucocorticoids carry well-known risks (hyperglycemia, immune suppression, bone loss, adrenal suppression with prolonged use). Compounded prescription-only preparations are dispensed by Wells Pharmacy Network. Eligibility is decided by a licensed clinician based on intake and labs, not by checkout. Compounded products on this site are not FDA-approved and are not generic equivalents of any branded medication.
In the Regen Therapy catalog
This compound does not currently appear in an active Regen Therapy protocol. Browse the full catalog for adjacent options.
What does the research say about Cortisol?
Decades of endocrinology research characterize cortisol's biology; chronic-stress and burnout research continues to refine how patterned cortisol disturbances correlate with metabolic and cognitive symptoms.
Citations & further reading
Considering Cortisol as part of a protocol?
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