Dehydroepiandrosterone
DHEA is the most abundant circulating steroid hormone, produced primarily by the adrenal cortex. It serves as a precursor to both androgens (testosterone, DHT) and estrogens (estradiol, estrone). Serum DHEA-S peaks in the mid-20s and declines ~2-3% per year — by age 70, levels are 10-20% of peak. In TRT contexts, DHEA is relevant because exogenous testosterone suppresses adrenal androgen production, and some men report improved well-being, libido, and cognitive function with DHEA supplementation alongside TRT. The 2006 Mayo Clinic RCT (Nair et al., NEJM) found no significant benefit in elderly adults, but subsequent trials in adrenal insufficiency and specific populations show clearer effects. DHEA is also a neurosteroid — it modulates GABA-A, NMDA, and sigma-1 receptors, contributing to neuroprotective and mood-enhancing effects. Legal OTC in the US (classified as a dietary supplement under DSHEA 1994), prescription-only in many other countries.
Current literature links
Evidence
No score yet
Safety
Unknown safety profile
Clinical Status
Approved (intravaginal); OTC as supplement
Last Sync
Not synced yet
Last Reviewed
Not reviewed yet
Physician Notes
Check DHEA-S levels before supplementing. Most useful in patients with documented adrenal insufficiency or low DHEA-S. Can convert to estrogen in women and DHT in men.
Monitoring
- DHEA-S levels
- Estradiol (in women)
- DHT (in men with hair loss concerns)
Contraindications
- Hormone-sensitive cancers
- PCOS (may worsen androgen excess)
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Pharmacology
Evidence Score
Plain-English Snapshot
Dehydroepiandrosterone is currently categorized as a hormonal compound.
Evidence scoring has not been fully computed yet, so interpret this profile as preliminary.
Safety scoring is incomplete. Start conservatively and monitor carefully.
Core mechanism
Adrenal steroid precursor converted to testosterone/estradiol via 3β-HSD and 17β-HSD; also a neurosteroid modulating GABA-A, NMDA, and sigma-1 receptors
Practical Context
Strongest current signals
No indexed study summaries yet.