Evidence question

PubMed sourcedAbstract-based analysisUpdated Sep 2026Human reviewedUpdated Aug 2026

Evidence / Longevity & Preventive Medicine

CoverageLongevity & Preventive Medicine

Does DHEA supplementation improve health outcomes in aging adults?

Reviewed by Neal Rouzier, MD, Preventive Medicine · Aug 2026

Updated Aug 2026·11 studies analyzed·2 core studies·Applies to: postmenopausal women

Bottom line

DHEA raises circulating androgens and estrogens modestly but lacks robust outcome trial evidence for cardiovascular, cognitive, or mortality benefit in healthy aging adults without documented deficiency.[1–6]

Evidence confidence

Evidence Confidence

Limited
LimitedModerateHigh

The available studies are limited in design quality, directness, or consistency, so scientific certainty remains limited.

Key uncertainty. Short-term symptom endpoints vary across small trials.

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Also asked

DHEA anti-aging evidence▼

DHEA raises circulating androgens and estrogens modestly but lacks robust outcome trial evidence for cardiovascular, cognitive, or mortality benefit in healthy aging adults without documented deficiency.

DHEA menopause adrenal▼

DHEA raises circulating androgens and estrogens modestly but lacks robust outcome trial evidence for cardiovascular, cognitive, or mortality benefit in healthy aging adults without documented deficiency.

Body of evidence

Clinical Evidence Brief

RAGMD analyzed 7 relevant studies.

Overall finding

3 studies address hba1c / glycemic control, with weighted findings showing mixed findings. 2 studies address weight / body composition, with weighted findings showing unclear findings. 2 studies address quality of life, with weighted findings showing benefit. 2 studies address mortality, with weighted findings showing benefit. 3 randomized or systematic-review reports and 1 observational study address treatment. Do not recommend DHEA for anti-aging or mortality benefit in healthy adults outside research settings.

Evidence by outcome

Direction: ↑ Favors treatment / reassuring · ↓ Harm signal · ↔ No clear effect · ± Mixed · ↗ Observational link · ? Unclear

Mixed

HbA1c / glycemic control

high · 3 studies

3 studies address hba1c / glycemic control, with weighted findings showing mixed findings. This is an objectively measured outcome. This is a surrogate endpoint and does not by itself prove a hard clinical outcome.

Objectively measured · Surrogate endpoint

Studies

PMID 23824417PMID 42426860PMID 42588058
Unclear

Weight / body composition

moderate · 2 studies

2 studies address weight / body composition, with weighted findings showing unclear findings. This is an objectively measured outcome. This is a surrogate endpoint and does not by itself prove a hard clinical outcome.

Objectively measured · Surrogate endpoint

Studies

PMID 23824417PMID 42426860
Favors treatment

Quality of life

high · 2 studies

2 studies address quality of life, with weighted findings showing benefit. This is a patient-reported / subjective outcome.

Patient-reported

Studies

PMID 23824417PMID 42081070
Favors treatment

Mortality

high · 2 studies

2 studies address mortality, with weighted findings showing benefit. This is an objectively measured outcome. This is a hard clinical endpoint.

Objectively measured · Hard clinical endpoint

Studies

PMID 31405892PMID 24349197
Unclear

Sexual activity

moderate · 1 study

1 study addresses sexual activity, with weighted findings showing unclear findings. This is a patient-reported / subjective outcome.

Patient-reported

Studies

PMID 23824417
Mixed

Blood pressure

moderate · 1 study

1 study addresses blood pressure, with weighted findings showing mixed findings. This is an objectively measured outcome. This is a surrogate endpoint and does not by itself prove a hard clinical outcome.

Objectively measured · Surrogate endpoint

Studies

PMID 42588058

Magnitude / clinical importance

Effects were statistically detectable in some analyses but generally small.

Small domain-specific changes can still matter to patients, especially for symptoms, but they should not be described as large clinical effects.

Agreement across studies

Most studies agree on quality of life (benefit), while hba1c / glycemic control findings are mixed findings and more consistent across domains.

Supports main conclusion: 3 · Neutral / mixed: 3 · Credible conflicting: 1

Study counts describe the landscape; RAGMD weights studies according to design, quality, and directness.

Conflicting findings

  • The present meta-analysis of intervention studies shows that DHEA supplementation in elderly men can induce a small but significant positive effect on body composition that is strictly dependent on D…
  • Magnesium supplementation does not appear to improve insulin resistance in individuals with diabetes or prediabetes significantly.

Risks & harms

4 studies report safety-relevant findings. Design mix: Narrative review, Systematic review / meta-analysis. Rare-event inference should not rest on underpowered trials alone.

Who this applies to

Most studies included postmenopausal women.

What remains uncertain

  • Short-term symptom endpoints vary across small trials.
  • Short-term symptom endpoints vary across small trials.

Clinical takeaway

Do not recommend DHEA for anti-aging or mortality benefit in healthy adults outside research settings. Small hormonal shifts do not translate into proven cardiovascular, cognitive, or survival advantage in outcome trials.

Mixed

HbA1c / glycemic control?

Mixed findings

high[23824417 · 42426860 · 42588058]

Unclear

Weight / body composition?

Unclear findings

moderate[23824417 · 42426860]

Favors treatment

Quality of life?

Benefit

high[23824417 · 42081070]

Favors treatment

Mortality?

Benefit

high[31405892 · 24349197]

Unclear

Sexual activity?

Unclear findings

moderate[23824417]

Mixed

Blood pressure?

Mixed findings

moderate[42588058]

Mixed

LDL-C?

Mixed findings

moderate[42588058]

3 randomized or systematic-review reports and 1 observational study address treatment. Weighted treatment findings show benefit.

3 RCT / systematic review · 1 observational

Large randomized trials strongly influence the conclusion

2 landmark studies with randomized or systematic-review designs strongly inform this conclusion.

Supporting studies provide additional context

9 supporting studies add context beyond the core evidence base.

Regimen & duration

Differences in hormone type, dose, duration, and patient population affect how results should be interpreted.

Long-term uncertainty

Study quality or consistency across available evidence limits certainty.

7 analyzed studies

Strongest evidence

Diabetology & metabolic syndrome2025

Landmark studyPMID 40616152

Impact of DHEA supplementation on testosterone and estradiol levels in postmenopausal women: a meta-analysis of randomized controlled trials assessing dose and duration effects.

BACKGROUND AND AIM: The effects of dehydroepiandrosterone (DHEA) supplementation on testosterone and estradiol concentrations in postmenopausal women have produced conflicting results. This meta-analysis of randomized controlled trials aimed to evaluate the impact of DHEA supplementation on serum testosterone and estradiol levels and to provide evidence regarding the optimal dosage and duration of supplementation.

Review
Evidence
Relevance

Supporting literature

Cardiovascular Risk Reduction with Icosapent Ethyl for Hypertriglyceridemia.

Oral magnesium supplements and insulin resistance in individuals with diabetes and pre-diabetes: an updated systematic review and meta-analysis of randomized controlled trials.

Association between vitamin D supplementation and mortality: systematic review and meta-analysis.

+6 more

More in this focus area

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