DHEA
Hormone PrecursorAlso known as: Dehydroepiandrosterone · DHEAS
A prohormone produced by the adrenal glands that serves as a precursor to both testosterone and estrogen. Levels peak in early adulthood and decline ~2% per year. Studied for aging, libido, adrenal insufficiency, and bone density.
How expert claims hold up
73 of 91 claims assessed23 of 73 assessed claims supported or partially supported by published research
Expert Consensus
Evidence Summary
The research base for DHEA supplementation is broad but uneven in quality. The available literature — spanning reviews, one RCT, a systematic review, and a meta-analysis — consistently establishes DHEA's physiological role as a precursor to both androgens (including testosterone) and estrogens, produced primarily by the adrenal glands. DHEA-S levels are well-documented to decline substantially with age, a phenomenon sometimes called 'adrenopause,' which has motivated interest in supplementation for older adults. However, despite this mechanistic rationale, the clinical evidence for most proposed benefits remains sparse, with the majority of expert claims in this domain rated as having insufficient evidence.
Read full evidence summary →Top studies
A systematic review and meta-analysis of randomized placebo-controlled trials of DHEA supplementation of bone mineral density in healthy adults.
A systematic review and meta-analysis of randomized placebo-controlled trials of DHEA supplementation of bone mineral density in healthy adults.
Effects of dehydroepiandrosterone (DHEA) supplementation on the lipid profile: A systematic review and dose-response meta-analysis of randomized controlled trials.
Effects of dehydroepiandrosterone (DHEA) supplementation on the lipid profile: A systematic review and dose-response meta-analysis of randomized controlled trials.
Expert Mentions
All 91 mentions
“supraphysiological levels can be androgenic.”
Supraphysiological DHEA levels can be androgenic.
None of the 10 provided studies contain extractable key findings that directly address whether supraphysiological DHEA levels produce androgenic effects in humans. While several studies are topically…
“I do not recommend DHEA self-supplementation without testing and physician oversight.”
Attia does not recommend DHEA self-supplementation without testing and physician oversight.
The expert's claim is a clinical caution recommendation (advocating for testing and physician oversight before DHEA supplementation), not a factual assertion about DHEA's efficacy or safety profile. N…
Safety, interactions & who should avoid DHEA
caution_warranted
DHEA is generally described as well-tolerated at low-to-moderate doses in short-term studies, but its conversion to androgens and estrogens raises theoretical concerns about hormone-sensitive cancers and androgenic side effects (e.g., acne, hair loss, virilization in women) that have not been fully characterized in long-term research. Caution is warranted in individuals with or at risk for hormone-sensitive conditions.
DHEA is a hormone precursor that can convert to androgens and estrogens; unsupervised use carries risks of hormonal imbalance, acne, hair loss, and in women, virilization. Long-term safety data are limited, and use should ideally be guided by baseline and follow-up DHEA-S lab measurements. The 7-keto-DHEA form does not convert to sex hormones and may have a different safety profile.
Who should avoid it
Individuals with hormone-sensitive conditions (e.g., breast, ovarian, uterine, or prostate cancer) should avoid DHEA. Those with polycystic ovary syndrome (PCOS), liver disease, or a history of hormone-dependent tumors should use caution. Not recommended during pregnancy or breastfeeding. Use in individuals under 40 without confirmed deficiency is generally not supported.
Known interactions
- ·May interact with hormone-sensitive medications including estrogen and testosterone therapies
- ·May affect insulin sensitivity and interact with antidiabetic medications
- ·Potential interaction with corticosteroids due to shared adrenal pathways
- ·May influence anticoagulant activity — caution with blood thinners
Pregnancy & breastfeeding
Our sources specifically flag pregnancy or breastfeeding considerations for DHEA — see the cautions above.
We don’t assign pregnancy-safety ratings. Many supplements lack adequate safety data in pregnancy and breastfeeding, and the absence of a warning here does not mean a supplement is safe to take. Don’t start, stop, or continue any supplement while pregnant or nursing without your OB-GYN or midwife.
Read: Supplements during pregnancy & breastfeeding →This is educational information only. Consult a healthcare provider before starting any supplement.
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Key findings
- ·DHEA is produced primarily by the adrenal glands and is the most abundant steroid hormone precursor in the body, converting downstream into both androgens and estrogens — this role is well-established across multiple reviews.
- ·DHEA-S levels decline significantly with age ('adrenopause'), providing a physiological rationale for supplementation in older adults, though clinical benefit from restoring levels has not been robustly demonstrated.
- ·A meta-analysis of placebo-controlled RCTs suggests DHEA supplementation may have a modest effect on bone mineral density in healthy adults, but the clinical significance is unclear.
Evidence gaps
- ·There is a lack of large, high-quality RCTs directly testing DHEA supplementation across its most commonly claimed benefits — including cognitive function, mood, libido, muscle mass, and longevity — leaving the majority of expert claims unsupported by direct trial evidence.
- ·Long-term safety data for DHEA supplementation, particularly regarding hormone-sensitive cancer risk and cardiovascular effects, are insufficient to draw firm conclusions.
- ·The optimal dosing range, target populations, and monitoring protocols for DHEA supplementation (e.g., trialing 25–50 mg/day in low-DHEA-S adults over 50) have not been systematically validated in clinical trials.