RESEARCH MONOGRAPH · KDC-MN-160

DHEA (Dehydroepiandrosterone)

May 9, 2026 Kodiac biolabs Research Revised May 30, 2026 2 min read

Our opinion on this compound

68/100

Decades of research, surprisingly thin clinical signal except in narrow contexts

DHEA is the most abundant circulating steroid in the human body and one of the most studied supplements in history, and yet the clinical evidence is honestly underwhelming for almost every indication people use it for. That's a useful gap to be honest about.

Mechanism is interesting and weird. DHEA itself has very low affinity for classical androgen and estrogen receptors. Almost all of its biological activity comes from peripheral conversion to androstenedione, testosterone, and estradiol via 3-beta-HSD, 17-beta-HSD, and aromatase in target tissues. There's also some direct sigma-1 activity, NMDA modulation, and effects on glucocorticoid receptor signaling. So it acts partly as a prohormone, partly as a neurosteroid in its own right.

Clinically: the strongest signal is in adrenal insufficiency, where DHEA replacement at modest doses improves some mood and quality-of-life measures. There's also a real signal for vaginal DHEA (prasterone) in postmenopausal vulvovaginal atrophy, where it gets converted locally. For everything else (aging, cognition, depression, body composition in healthy adults) the RCT evidence ranges from weak to null.

The age curve is striking. DHEA peaks around age 25 and drops to maybe 10-20% of peak by age 70-80, which is what drove the whole anti-aging supplementation thesis. The problem is that just because something declines with age doesnt mean restoring it reverses aging, and the trials have largely shown that doesnt happen for DHEA specifically.

Sourcing is easy. DHEA is a commodity steroid produced in bulk for decades, pharmacopoeia-grade material is widely available, HPLC purity standard. Research-grade DHEA from reputable suppliers is one of the easier QC stories in the steroid space.

Safety profile is decent at moderate research doses but you're definitely shifting downstream androgens and estrogens, which means measurable effects on lipids, acne, hair, and in women, virilization signs at higher exposures.

What we like: the adrenal insufficiency data and the local vaginal application data are both clinically real. What we dont like: the marketing positioning of DHEA as a general anti-aging agent when 30 years of trials havent supported that.

Evidence: 65
Mechanism: 75
Reliability: 55
Safety: 70
Sourcing: 85
Value: 80
Signal: 50
Staying power: 65

Plain-language summary Intrigue 60 / 100

DHEA is the most abundant circulating steroid hormone, produced by the adrenal glands. Levels decline with age. It serves as a precursor to both testosterone and estrogen. Sold as a supplement with mixed evidence for benefit in healthy adults. Not stocked by Kodiac. This monograph is provided for research and educational reference.

Intrigue 0–100 blends mechanism novelty, evidence strength, and translational potential. Kodiac editorial, not peer-reviewed.

Endogenous androgen precursor

An endogenous adrenal steroid hormone with androgenic and neurosteroid activity; declines with age and supplemented for hormone restoration.

Abstract

DHEA (dehydroepiandrosterone; CAS 53-43-0; molecular formula C19H28O2; molecular weight 288.42) is an endogenous adrenal steroid hormone produced by the adrenal cortex. DHEA and its sulfate (DHEAS) are the most abundant circulating steroid hormones in young adults; both decline progressively with age, reaching 10 to 20 percent of peak by age 70. The compound is a precursor for downstream androgen and estrogen synthesis and is also a sigma-1 receptor ligand and NMDA receptor PAM with neurosteroid activity. Supplementation has been studied for adrenal insufficiency, depression in older adults, sexual dysfunction, and cognitive function with mixed results. The compound is sold as a dietary supplement in the United States but is prescription-only or banned in many other jurisdictions. Reported research dose ranges in the literature span 25 to 100 mg; some studies report lower amounts in female subjects given androgenic effects.

Mechanism of action

Androgen/estrogen precursor; sigma-1 receptor ligand; NMDA PAM.

Reported research dose ranges

Reported research dose ranges in the literature span 25 to 100 mg.

References

Wolkowitz OM, et al. Double-blind treatment of major depression with dehydroepiandrosterone. Am J Psychiatry 1999.

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KDC-MN-160

The full reference document is provided strictly for research use only. It reports research dose ranges from the published literature, not instructions for use in humans or animals.

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FOR RESEARCH USE ONLY. Not for medical, diagnostic, or therapeutic purposes. Not for human consumption. All information is provided for research and educational purposes only.

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DHEA (Dehydroepiandrosterone)

Abstract

Mechanism of action

Reported research dose ranges

References

Read the full monograph

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Abstract

Mechanism of action

Reported research dose ranges

References

Read the full monograph

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