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    Ingredient guide · Ingredient reference

    Creatine and hair loss: a 12-week trial found no adverse hair signal

    A randomized trial directly measured hair outcomes alongside testosterone and DHT. It found no significant creatine-versus-placebo differences, with limits from its size, duration and population.

    Read the evidence ↓

    Supplement Science Insights Editorial Team

    Published September 23, 2026

    The study measured hair, not only a hormone

    Researchers assigned 45 resistance-trained men aged 18–40 to creatine monohydrate or maltodextrin placebo for 12 weeks; 38 completed the study. Assessments included hair density, follicular units, cumulative thickness and circulating androgens. [1]

    There were no significant group-by-time differences in the hormone or hair outcomes. Changes in total and free testosterone occurred over time in both groups and were not attributable to creatine supplementation. [1]

    A reassuring trial is not a lifetime guarantee

    The result argues against a hair-loss effect under these study conditions. It cannot exclude small effects, effects after years of use or different responses in other populations. [1]

    Several authors disclosed supplement-industry advisory, research-support or consulting relationships. The abstract did not fully establish study funding. Persistent hair loss still needs its own assessment; a supplement trial cannot identify the cause for an individual. [1]

    Compare groups before attributing a hormone change

    Imagine testosterone rises in both the creatine and placebo groups. A rise in the creatine group alone does not prove that creatine caused it; the between-group comparison matters.

    Evidence summary — Creatine and hair loss
    DetailInterpretation
    Direct hair measurementsStronger relevance than a hormone alone
    38 completersLimited sample
    12 weeksNot lifelong exposure
    Creatine and hair loss: a 12-week trial found no adverse hair signal — original article outline diagram
    Original editorial diagram of this article’s sections; no product photograph or clinical finding is depicted.

    Sources for this article

    1. Does creatine cause hair loss? A 12-week randomized controlled trial - PubMed
      Source consulted: 2026-09-19. This is a reference resource, not a claim that we conducted the studies or tested a product.