Does Creatine Cause Hair Loss? A 12-Week Randomized Controlled Trial

April 2025 in “ Journal of the International Society of Sports Nutrition ”

Mohammadyasin Lak, Scott C. Forbes, Damoon Ashtary‐Larky, Sahar Dadkhahfar, Reza M. Robati, Farshid Nezakati, Makan Khajevandi, Sara Naseri, Arvin Gerafiani, Neda Haghighat, José António, Grant M. Tinsley

creatine dihydrotestosterone DHT testosterone hair growth hair loss hair count hair density follicle quality

TLDR Creatine does not cause hair loss.

This 12-week randomized controlled trial with 38 resistance-trained males aged 18-40 found no significant differences in dihydrotestosterone (DHT) levels, DHT-to-testosterone ratio, or hair growth parameters between the creatine and placebo groups. The study provides strong evidence against the claim that creatine supplementation (5 g/day) contributes to hair loss, as there were no changes in hair count, density, or follicle quality. Additionally, creatine was found to be safe, with no changes in creatinine or estimated glomerular filtration rate (eGFR) observed.

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Does Creatine Cause Hair Loss? A 12-Week Randomized Controlled Trial

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