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Head-to-head evidence comparison — which supplement is right for you?
Creatine wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
19 of 23 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 Creatine and Urolithin A have evidence — compare verdict strength side-by-side.
5g daily
Any time, Post-workout may have slight advantage
Monohydrate powder
500-1000mg
Morning with food
Mitopure (highly pure, bioavailable form)
2-4 weeks
1-2 weeks
First week
2-4 weeks
4-8 weeks
8-16 weeks
8-16 weeks
Risk of Adverse Outcomes in Females Taking Oral Creatine Monohydrate: A Systematic Review and Meta-Analysis
Nutrients (2020) · Meta analysis · n=951
Six hundred and fifty-six studies were identified where creatine supplementation was the primary intervention; fifty-eight were female only studies (9%).
International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine
Journal of the International Society of Sports Nutrition (2017) · Systematic review
Increases strength by 5-15%
Effects of Creatine Supplementation and Resistance Training on Muscle Strength Gains in Adults <50 Years of Age: A Systematic Review and Meta-Analysis
Nutrients (2024) · Meta analysis · n=20
In comparison with a placebo, creatine supplementation combined with resistance training significantly increased upper-body (WMD = 4.43 kg, p < 0.001) and lower-body strength (WMD = 11.35 kg, p < 0.001).
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 showing 5-15% strength increases. Upper-body improvements 4.43kg, lower-body 11.35kg. Effects plateau at therapeutic doses.
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.
Creatine has a higher evidence score (9.5/10 vs 6/10) and wins in 2 of 3 categories.
For athletic performance, Creatine has a higher relevance score (90 vs 65).
No known interactions between Creatine and Urolithin A have been documented in our database. However, always consult a healthcare provider before combining supplements.