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Head-to-head evidence comparison — which supplement is right for you?
Lutein + Zeaxanthin and Olive Leaf Extract are closely matched across evidence, studies, and safety.
Verdict
Likely helps
16 of 17 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
9 of 11 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Lutein + Zeaxanthin and Olive Leaf Extract have evidence — compare verdict strength side-by-side.
10mg lutein + 2mg zeaxanthin
With a meal containing fat
Softgels with both lutein and zeaxanthin
500-1000mg (standardized to 15-20% oleuropein)
With meals
Standardized extract (15-20% oleuropein)
3-6 months
4-8 weeks
3-6 months
2-4 weeks
8 weeks
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.
The impact of oleuropein, hydroxytyrosol, and tyrosol on cardiometabolic risk factors: a meta-analysis of randomized controlled trials
Critical reviews in food science and nutrition (2025) · Meta analysis · n=594
Fourteen human intervention studies with 594 participants were included.
Exploring the Benefits of Extra Virgin Olive Oil on Cardiovascular Health Enhancement and Disease Prevention: A Systematic Review
Nutrients (2025) · Systematic review
The beneficial effect was attributed to the polyphenols contained in EVOO.
Olive leaf extract effect on cardiometabolic risk factors: a systematic review and meta-analysis of randomized clinical trials
Nutrition reviews (2024) · Meta analysis · n=703
In the meta-analysis, fasting glycemia, as evaluated in studies using a low dose of OLE, showed a significant result favoring the control group.
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.
Based on RCT showing 6.4 mmHg SBP reduction, but one crossover trial showed no effect. Mixed results suggest conservative effectiveness estimates. Primarily studied in hypertensive populations.
AI-estimated from published studies. Interpret as directional guidance.
Both Lutein + Zeaxanthin and Olive Leaf Extract are closely matched — the best choice depends on your specific health goals.
For healthy aging, Lutein + Zeaxanthin has a higher relevance score (95 vs 50).
No known interactions between Lutein + Zeaxanthin and Olive Leaf Extract have been documented in our database. However, always consult a healthcare provider before combining supplements.