Loading…
We use essential cookies (authentication, your saved goals/stack) by default. With your permission we'll also enable privacy-respecting analytics (Vercel Web Analytics, anonymous load-time metrics) and error-replay diagnostics (Sentry — DOM snapshots only when an error fires) so we can fix bugs faster. Learn more about cookies
Head-to-head evidence comparison — which supplement is right for you?
Olive Leaf Extract wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mixed evidence
1 of 3 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
9 of 11 studies with measurable effects showed benefit.
Top outcomes
250-350mg standardized extract or 1-3g dried bark, 2-3x daily
With meals
Standardized extract (3% oxindole alkaloids)
500-1000mg (standardized to 15-20% oleuropein)
With meals
Standardized extract (15-20% oleuropein)
4-8 weeks
2-4 weeks
4-8 weeks
2-4 weeks
8 weeks
Uncaria tomentosa as a Promising Natural Source of Molecules with Multiple Activities: Review of Its Ethnomedicinal Uses, Phytochemistry and Pharmacology
International journal of molecular sciences (2025) · Systematic review
The present paper reviews research progress relating to the ethnobotany, phytochemistry and pharmacology of Ut, and some promising research routes are also discussed.
Systemic therapies for preventing or treating aromatase inhibitor-induced musculoskeletal symptoms in early breast cancer
The Cochrane database of systematic reviews (2022) · Meta analysis · n=137
The two studies, investigating vitamin D and omega-3 fatty acids, showed a treatment effect with 95% CIs that did not include an MCID for pain.
Bioactive Molecules from Tropical American Plants: Potential Anti-Inflammatory Agents for Cytokine Storm Management
Molecules (Basel, Switzerland) (2025) · Systematic review
Key polyphenols, like quercetin and luteolin, found in plants such as Achyrocline satureioides and Mangifera indica demonstrate the downregulation of NF-κB and inhibition of pro-inflammatory cytokines.
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 systematic review evidence showing significant pain reduction in knee osteoarthritis. Limited number of direct RCTs. Most studies used 250-350mg doses. GI upset more common at higher doses.
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.
Olive Leaf Extract has a higher evidence score (7/10 vs 5.8/10) and wins in 3 of 3 categories.
For support immune system, Olive Leaf Extract has a higher relevance score (75 vs 70).
No known interactions between Cat's Claw and Olive Leaf Extract have been documented in our database. However, always consult a healthcare provider before combining supplements.