Head-to-head evidence comparison — which supplement is right for you?
Iron wins 1 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
25-50mg for women; 50-100mg for men (start low)
Morning (mimics natural rhythm)
Micronized DHEA capsules
18-45mg elemental iron for deficiency (varies by severity)
On empty stomach if tolerated, Away from tea, coffee, dairy
Ferrous bisglycinate (gentle, well-absorbed) or iron protein succinylate
4-8 weeks
8-12 weeks
2-4 weeks
4-8 weeks
4-12 weeks
Dehydroepiandrosterone for depressive symptoms: A systematic review and meta-analysis of randomized controlled trials
Journal of neuroscience research (2020) · Meta analysis · n=742
No hormonal changes that indicated any risk to the participants' health were seen.
Hormonal Treatments and Vaginal Moisturizers for Genitourinary Syndrome of Menopause : A Systematic Review
Annals of internal medicine (2024) · Systematic review
Vaginal estrogen, vaginal DHEA, oral ospemifene, and vaginal moisturizers may improve some GSM symptoms in the short term.
Meta-analysis of the association between sex hormones and pulmonary fibrosis
Postgraduate medicine (2024) · Meta analysis · n=1371
This meta-analysis indicates that reduced levels of DHEA-S, testosterone, estrogen may serve as potential risk factors for pulmonary fibrosis.
Systematic review and meta-analysis of intravenous iron therapy for patients with heart failure and iron deficiency
Nature medicine (2025) · Meta analysis · n=7175
All-cause mortality at 12 months and for the complete length of follow-up (HR = 0.82 (95% CI = 0.65-1.03)) and HR = 0.92 (95% CI = 0.80-1.07), respectively, indicated the overall safety of i.v. iron treatment.
Daily oral iron supplementation during pregnancy
The Cochrane database of systematic reviews (2024) · Meta analysis · n=48971
There is probably little to no difference in maternal death (2 versus 4 events, RR 0.57, 95% CI 0.12 to 2.69; 3 trials, 14,060 women; moderate-certainty evidence).
The Prevalence of Anemia among Pregnant Women in China: A Systematic Review and Meta-Analysis
Nutrients (2024) · Meta analysis · n=722
The results showed that the prevalence of anemia, ID, and IDA among pregnant women in China were 30.7% (95% CI: 26.6%, 34.7%), 45.6% (95% CI: 37.0%, 54.2%), and 17.3% (95% CI: 13.9%, 20.7%), respectively.
Iron has a higher evidence score (9/10 vs 9/10) and wins in 1 of 3 categories.
For boost daily energy, Iron has a higher relevance score (90 vs 70).
No known interactions between DHEA and Iron have been documented in our database. However, always consult a healthcare provider before combining supplements.