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Head-to-head evidence comparison — which supplement is right for you?
Green Tea Extract wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
250-500mg EGCG (or 500-1000mg green tea extract)
With meals, Morning or pre-exercise
Standardized extract (45-50% EGCG)
500-1000mg
Morning with food
Mitopure (highly pure, bioavailable form)
Acute and 4-8 weeks
Acute
30-60 minutes
4-8 weeks
8-16 weeks
8-16 weeks
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.
The effect of a high-polyphenol Mediterranean diet (Green-MED) combined with physical activity on age-related brain atrophy: the Dietary Intervention Randomized Controlled Trial Polyphenols Unprocessed Study (DIRECT PLUS)
The American journal of clinical nutrition (2022) · Rct · n=284
Among 284 participants (88% men; mean age: 51 y; BMI: 31.2 kg/m2; APOE-ε4 genotype = 15.7%), 224 (79%) completed the trial with eligible whole-brain MRIs.
Urolithin A induces mitophagy and prolongs lifespan
Nature Medicine (2016) · Preclinical
Extended lifespan in animal models
Unveiling the Anticancer Potential of Urolithin A in Colorectal Cancer: A Systematic Review
Oncology research (2026) · Systematic review
Systematic review examining Urolithin A efficacy
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.
Based on 3 RCTs (n=88, n=66, n=20) showing improvements in muscle endurance and strength. Effects observed primarily in middle-aged and older adults over 8-16 weeks. Studies used synthetic urolithin A forms with high bioavailability.
AI-estimated from published studies. Interpret as directional guidance.
Green Tea Extract has a higher evidence score (9/10 vs 8.5/10) and wins in 2 of 3 categories.
For healthy aging, Urolithin A has a higher relevance score (85 vs 70).
No known interactions between Green Tea Extract and Urolithin A have been documented in our database. However, always consult a healthcare provider before combining supplements.