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Head-to-head evidence comparison — which supplement is right for you?
Curcumin wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
12 of 15 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
7 of 7 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Curcumin and Urolithin A have evidence — compare verdict strength side-by-side.
500-1000mg daily (enhanced form)
With fatty meal
Enhanced absorption form: Longvida, Meriva, or BCM-95
500-1000mg
Morning with food
Mitopure (highly pure, bioavailable form)
4-8 weeks
4-8 weeks
4-8 weeks
Immediate
4-8 weeks
8-16 weeks
8-16 weeks
Comparative Effectiveness of Nutritional Supplements in the Treatment of Knee Osteoarthritis: A Network Meta-Analysis
Nutrients (2025) · Meta analysis · n=4599
Bayesian rankings indicated Boswellia had the highest probability of being most effective for pain and stiffness, with krill oil and curcumin showing potential for function improvement.
Curcumin on Human Health: A Comprehensive Systematic Review and Meta-Analysis of 103 Randomized Controlled Trials
Phytotherapy research : PTR (2024) · Meta analysis · n=7216
We meta-analyzed the effect sizes across eligible studies using the random-effects model.
Comparative efficacy and tolerability of nutraceuticals for depressive disorder: A systematic review and network meta-analysis
Psychological medicine (2025) · Meta analysis · n=17437
Adjunctive nutraceuticals consistently showed better efficacy than antidepressants (ADT) alone in outcomes including SMD, remission, and response.
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
Effect of the mitophagy inducer urolithin A on age-related immune decline: a randomized, placebo-controlled trial
Nature aging (2025) · Rct · n=50
Exploratory single-cell RNA sequencing demonstrated UA-driven transcriptional shifts across immune populations, modulating pathways linked to inflammation and metabolism.
Based on meta-analyses of arthritis and osteoarthritis studies. Effectiveness varies significantly by curcumin form - enhanced bioavailability formulations may show greater effects at lower doses. Limited high-quality RCTs available.
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.
Curcumin has a higher evidence score (7.5/10 vs 6/10) and wins in 2 of 3 categories.
For reduce inflammation, Curcumin has a higher relevance score (92 vs 50).
No known interactions between Curcumin and Urolithin A have been documented in our database. However, always consult a healthcare provider before combining supplements.