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Head-to-head evidence comparison — which supplement is right for you?
Creatine vs Taurine: Creatine has the stronger overall evidence (9.5 vs 7.5/10); they're alternatives for athletic performance — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Creatine wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
8 of 10 studies with measurable effects showed benefit.
Top outcomes
Verdict
Too few graded studies
2 of 2 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Creatine and Taurine have evidence — compare verdict strength side-by-side.
5g daily
Any time, Post-workout may have slight advantage
Monohydrate powder
1-3g daily
Pre-workout for performance, Evening for sleep
Powder or capsules
2-4 weeks
1-2 weeks
First week
2-4 weeks
4-8 weeks
8-12 weeks
2-4 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=509
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).
Effects of Nutritional Supplements on Endurance Performance and Subjective Perception in Athletes Exercising in the Heat: A Systematic Review and Network Meta-Analysis
Nutrients (2025) · Meta analysis · n=552
Standardized mean differences (SMDs) and posterior probabilities (P-scores based on Bayesian ranking) were calculated using random-effects and Bayesian models.
Effect of a 12-mo intervention with whey protein powder on cognitive function in older adults with mild cognitive impairment: a randomized controlled trial
The American journal of clinical nutrition (2025) · Rct · n=107
The results also found a significant beneficial effect of the active intervention for several secondary cognitive outcomes such as Digit Symbol Substitution Test score, and the mean difference between groups in the ITT analysis was 2.72 (95% CI: 0.20, 5.23).
Caffeine and taurine: a systematic review and network meta-analysis of their individual and combined effects on physical capacity, cognitive function, and physiological markers
Journal of the International Society of Sports Nutrition (2025) · Meta analysis
Posterior estimates indicated that CAF+TAU was associated with a credible positive effect on anaerobic capacity (g = 0.46, 95% CrI [0.19, 0.71]) and reaction time (g = 0.75, 95% CrI [0.29, 1.18]) compared to CAF or TAU alone.
The 5 g point is a crossover trial in 123 adults taking 5 g a day for 6 weeks (PMID 37968687): the effect on backward digit span only bordered significance (p = 0.064), reasoning (Raven's matrices) did not change, and side effects were 4.25 times more common than on placebo. The 20 g point is a one-week trial of 5 g four times a day in 32 older adults, where most memory tasks improved (PMID 17828627). A meta-analysis of 10 trials found a small memory benefit (SMD 0.29), mostly in adults aged 66 to 76, with no effect of dose across 2.2 to 20 g a day (PMID 35984306), so the curve is flat. The two trials differ in age and length as well as dose. No minimum or optimal dose is established.
Rests on two meta-analyses that state the dose range they cover. One (PMID 29546641, 10 studies, single doses or up to 2 weeks of 1 to 6 g a day) found endurance improved (Hedges' g 0.40) and that the dose did not change the size of the effect. The other (PMID 40852891, 23 randomised trials of a single dose, 308 participants) found a small-to-moderate overall gain (g 0.25, I² 61%), no significant dose-response within 1 to 6 g, and rated the certainty low to very low. So the curve is flat from 1 g to 6 g. No minimum, optimal or ceiling dose is set, because neither abstract reports an effect or safety at a single dose within the range.
AI-estimated from published studies. Interpret as directional guidance.
Creatine has a higher evidence score (9.5/10 vs 7.5/10) and wins in 2 of 3 categories.
For athletic performance, Creatine has a higher relevance score (90 vs 65).
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
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The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.