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Head-to-head evidence comparison — which supplement is right for you?
Green Tea Extract wins 1 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Probably helps
4 of 8 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
7 of 9 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both DHEA and Green Tea Extract have evidence — compare verdict strength side-by-side.
25-50mg for women; 50-100mg for men (start low)
Morning (mimics natural rhythm)
Micronized DHEA capsules
250-500mg EGCG (or 500-1000mg green tea extract)
With meals, Morning or pre-exercise
Standardized extract (45-50% EGCG)
4-8 weeks
8-12 weeks
Acute and 4-8 weeks
Acute
30-60 minutes
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.
TEAS, DHEA, CoQ10, and GH for poor ovarian response undergoing IVF-ET: a systematic review and network meta-analysis
Reproductive biology and endocrinology : RB&E (2023) · Meta analysis · n=2323
Compared with the control group, CoQ10 (OR 2.22, 95% CI: 1.05 to 4.71) and DHEA (OR 1.92, 95% CI: 1.16 to 3.16) had obvious advantages in improving the clinical pregnancy rate.
Green tea (Camellia sinensis) for the prevention of cancer
The Cochrane database of systematic reviews (2020) · Meta analysis · n=1795
For incident prostate cancer, the summary risk ratio (RR) in the green tea-supplemented participants was 0.50 (95% confidence interval (CI) 0.18 to 1.36), based on three studies and involving 201 participants (low-certainty evidence).
Impact of flavan-3-ols on blood pressure and endothelial function in diverse populations: a systematic review and meta-analysis of randomized controlled trials
European journal of preventive cardiology (2025) · Meta analysis · n=5205
Flavan-3-ol interventions included epicatechin, epigallocatechin-gallate, cocoa products, tea, grape extract, and apples delivering 586 mg (95% CI 510, 662) total flavan-3-ols.
The effects of green tea extract supplementation on body composition, obesity-related hormones and oxidative stress markers: a grade-assessed systematic review and dose-response meta-analysis of randomised controlled trials
The British journal of nutrition (2024) · Meta analysis · n=3802
Pooled effect sizes indicated that BM, BFP, BMI and MDA significantly reduced following GTE supplementation.
Based on meta-analysis showing OR 1.92 for clinical pregnancy rate in poor ovarian response patients. Effect specific to fertility treatment context with medical supervision. Limited long-term safety data.
Based on meta-analysis showing 9.29 mg/dl LDL reduction with 107-856 mg/d EGCG. Optimal cardiovascular benefits observed at 400-500 mg/day. Take with food to reduce GI side effects.
AI-estimated from published studies. Interpret as directional guidance.
Green Tea Extract has a higher evidence score (9/10 vs 9/10) and wins in 1 of 3 categories.
For estrogen & progesterone balance, DHEA has a higher relevance score (82 vs 70).
No known interactions between DHEA and Green Tea Extract have been documented in our database. However, always consult a healthcare provider before combining supplements.