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Head-to-head evidence comparison — which supplement is right for you?
PEA wins 1 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
9 of 11 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
6 of 6 studies with measurable effects showed benefit.
Top outcomes
500-1000mg (standardized to 15-20% oleuropein)
With meals
Standardized extract (15-20% oleuropein)
600-1200mg
With meals, Split into 2-3 doses
Micronized or ultra-micronized PEA
2-4 weeks
8 weeks
2-8 weeks
4-8 weeks
Ongoing
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.
Extended Treatment with Micron-Size Oral Palmitoylethanolamide (PEA) in Chronic Pain: A Systematic Review and Meta-Analysis
Nutrients (2024) · Meta analysis · n=742
These two obtained scores corresponded to a 35.1% pain intensity reduction within the first month, followed by a further 35.4% during the second month.
Palmitoylethanolamide in the Treatment of Chronic Pain: A Systematic Review and Meta-Analysis of Double-Blind Randomized Controlled Trials
Nutrients (2023) · Meta analysis · n=774
PEA was found to reduce pain scores relative to comparators in a pooled estimate, with a standard mean difference of 1.68 (95% CI 1.05 to 2.31, p = 0.00001).
Navigating agitation in neurodevelopmental disorders: A comparative study of pharmacotherapies via network meta-analysis in children and adults with autism spectrum disorder or intellectual disabilities
Journal of psychopharmacology (Oxford, England) (2025) · Meta analysis · n=2503
Importantly, these treatments were generally well-tolerated, with no significant increase in all-cause dropouts compared to placebo, highlighting their suitability for clinical use in managing agitation in individuals with ASD or ID.
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.
Based on multiple meta-analyses showing ~35% pain reduction. Studies primarily used micronized formulations which may have better bioavailability than standard forms. Most benefits observed within 4-6 weeks of treatment.
AI-estimated from published studies. Interpret as directional guidance.
PEA has a higher evidence score (7.5/10 vs 7/10) and wins in 1 of 3 categories.
For reduce inflammation, PEA has a higher relevance score (85 vs 65).
No known interactions between Olive Leaf Extract and PEA have been documented in our database. However, always consult a healthcare provider before combining supplements.