Tier 2 — strong
Does creatine cause hair loss? A 12-week randomized controlled trial
J Int Soc Sports Nutr
2025
22(Suppl 1):2495229
Bibliography
- PubMed
- PMID 40265319
- Funding
- Authors reported no funding associated with the work; the paper also acknowledges support from Tose'e Sabz Company, official representative of BPI Sports USA.
- Competing interests
- Scott C. Forbes disclosed advisory and research-donation relationships; Jose Antonio disclosed ISSN leadership and supplement-brand advisory roles; Grant Tinsley disclosed industry research support and supplement consulting. Other authors declared no conflicts related to the study.
Study snapshot
| Design | Randomized controlled trial |
|---|---|
| Model | Human |
| Sample | 45 resistance-trained men enrolled; 38 completed |
| Intervention | Creatine monohydrate 5 g/day versus maltodextrin placebo |
| Duration | 12 weeks |
| Endpoints | DHT; Testosterone; Hair density; Follicular unit count; Hair thickness |
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Key findings
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