Creatine monohydrate supplementation causes weight gain in healthy adults.

the verdict

CONTESTED PARTIAL

Recorded sources

4 sources for · 1 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that creatine monohydrate supplementation causes weight gain in healthy adults?

Partly. Evidence is mixed and only partial: one small one-week study in young adults found fat-free mass and total body water increases with creatine, and a review of older adults reports increased lean body mass, while a small 16-week trial in trained young adults found no effect on body composition. No retrieved item directly measures overall body weight gain in healthy adults generally.

Verdict: CONTESTED PARTIAL · 4 sources for, 1 against · Last checked 3 Oct 2026

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 4

Creatine monohydrate supplementation for older adults and clinical populations

2025

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Creatine monohydrate supplementation for older adults and clinical populations. (2025). hal.umontpellier.fr. https://doi.org/10.1080/15502783.2025.2534130

Evidence against · 1

Comparison of Creatine Monohydrate Supplementation Immediately Before Versus Immediately After Resistance Training Sessions in Trained Young Healthy Adults

2026

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Mills, S. D., Candow, D. G., Rusterholz, F., Lewgood, J., Forbes, S. C., & Mang, C. S. (2026). Comparison of Creatine Monohydrate Supplementation Immediately Before Versus Immediately After Resistance Training Sessions in Trained Young Healthy Adults. doi.org. https://doi.org/10.3390/nutraceuticals6030042

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More for · 3

Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show?

2021

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J, A., DG, C., SC, F., B, G., AR, J., RB, K., ES, R., AE, S., TA, V., DS, W., & TN, Z. (2021). Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show?. doi.org. https://doi.org/10.1186/s12970-021-00412-w

Effects of resistance training combined with creatine supplementation on muscle strength, physical function, and muscle mass in older adults: a systematic review and three-level meta-analysis.

2026

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L, Y., D, Y., & J, G. (2026). Effects of resistance training combined with creatine supplementation on muscle strength, physical function, and muscle mass in older adults: a systematic review and three-level meta-analysis.. doi.org. https://doi.org/10.3389/fnut.2026.1919884

Body composition measured by multi-frequency bioelectrical impedance following creatine supplementation

2023

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Body composition measured by multi-frequency bioelectrical impedance following creatine supplementation. (2023). doi.org. https://doi.org/10.23736/s0022-4707.23.15058-4

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