Where Does Creatine Put Water in Your Body?
Creatine monohydrate supplementation strategies on body composition and water distribution in female recreational athletes
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Total body water didn’t increase — but where it was located did change significantly with high-dose creatine.
Most people assume creatine causes water retention by increasing total water, but this study shows it’s about *redistribution*, not volume.
Practical Takeaways
Female athletes can try a 14-day creatine loading phase (20g/day) to boost cellular hydration and potentially enhance performance without gaining weight.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Total body water didn’t increase — but where it was located did change significantly with high-dose creatine.
Most people assume creatine causes water retention by increasing total water, but this study shows it’s about *redistribution*, not volume.
Practical Takeaways
Female athletes can try a 14-day creatine loading phase (20g/day) to boost cellular hydration and potentially enhance performance without gaining weight.
Publication
Journal
Journal of the International Society of Sports Nutrition
Year
2025
Authors
Isaac H. Avon, Kyle S. Levers, Natalia Wasilcyzk, Eden Glick, Eleanor U. Flacke, Anneliese Silverman, Payton Lynch, Alex Rainey, Henry Ball, Ashleigh Sorokin, Andrew M. Stranieri, Yichen Jin, Todd H. Miller
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Claims (6)
Creatine pulls water into your cells, making them swell a bit, and that swelling is how it helps your body work better.
Taking creatine for two weeks — whether a little or a lot — doesn’t change weight or body composition in young women who work out regularly.
Taking creatine every day for two weeks doesn’t change how much water is in or around your cells — even though the balance between them might shift a little — at least in young women who work out regularly.
Taking 20 grams of creatine every day for two weeks might help young active women hold more water inside their cells, which could support muscle function.
Taking a fake supplement (like sugar powder) for two weeks doesn’t change body water balance in young female athletes, so if real creatine does change it, the effect is likely from creatine itself.