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Head-to-head evidence comparison — which supplement is right for you?
Green Tea Extract vs Lutein + Zeaxanthin: Green Tea Extract has the stronger overall evidence (7.5 vs 7/10); they're alternatives for healthy aging — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Green Tea Extract wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
8 of 10 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
17 of 18 studies with measurable effects showed benefit.
Top outcomes
250-500mg EGCG (or 500-1000mg green tea extract)
With meals, Morning or pre-exercise
Standardized extract (45-50% EGCG)
10mg lutein + 2mg zeaxanthin
With a meal containing fat
Softgels with both lutein and zeaxanthin
Acute and 4-8 weeks
Acute
30-60 minutes
3-6 months
4-8 weeks
3-6 months
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 effects of lutein on cardiometabolic health across the life course: a systematic review and meta-analysis
The American journal of clinical nutrition (2016) · Meta analysis · n=387569
Meta-analysis showed a lower risk of coronary heart disease (pooled RR: 0.88; 95% CI: 0.80, 0.98) and stroke (pooled RR: 0.82; 95% CI: 0.72, 0.93) for the highest compared with the lowest tertile of lutein blood concentration or intake.
Antioxidant vitamin and mineral supplements for slowing the progression of age-related macular degeneration
The Cochrane database of systematic reviews (2023) · Systematic review · n=2445
These studies enroled 11,952 people aged 65 to 75 years and included slightly more women (on average 56% women).
Long-term Outcomes of Adding Lutein/Zeaxanthin and ω-3 Fatty Acids to the AREDS Supplements on Age-Related Macular Degeneration Progression: AREDS2 Report 28
JAMA ophthalmology (2022) · Rct · n=3882
This study included 3882 participants (mean [SD] baseline age, 72.0 [7.7] years; 2240 women [57.7%]) and 6351 eyes.
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 multiple meta-analyses showing significant MPOD increases in both AMD patients and healthy subjects. Effect size modest but consistent across studies. Higher doses may increase carotenodermia risk.
AI-estimated from published studies. Interpret as directional guidance.
Green Tea Extract has a higher evidence score (7.5/10 vs 7/10) and wins in 2 of 3 categories.
For healthy aging, Lutein + Zeaxanthin has a higher relevance score (72 vs 70).
No known interactions between Green Tea Extract and Lutein + Zeaxanthin have been documented in our database. However, always consult a healthcare provider before combining supplements.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.