Does Creatine Cause Hair Loss? The Science Explained
This question comes up constantly — and usually traces back to a single study from 2009. Here is what that study actually found, what subsequent research showed, and what this means for your decision to take creatine.
Updated: May 2026 · 6 min read
The Short Answer
No study has ever shown creatine causes hair loss. One study found a temporary increase in a hormone (DHT) associated with hair loss — but it did not track actual hair loss, and no subsequent research has replicated even that hormone finding. After 30+ years of widespread creatine use, documented cases of creatine-induced hair loss are essentially absent from the literature.
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The One Study Behind the Claim
In 2009, researchers at Stellenbosch University in South Africa published a trial involving college rugby players. Twenty men underwent 3 weeks of creatine supplementation — a loading phase (25g/day for 7 days) followed by maintenance (5g/day for 14 days).
At the end of the study, DHT (dihydrotestosterone) levels had increased by approximately 56%, and the ratio of DHT to total testosterone rose by about 40%. DHT is the androgen most strongly associated with male pattern baldness (androgenetic alopecia).
What the Study Did NOT Show
- It did not measure hair loss — not a single follicle was assessed
- It did not track shedding, thinning, or miniaturization
- It did not follow participants long enough to see any hair effects
- It had only 20 subjects — far too small to draw population conclusions
- DHT stayed within the normal physiological range for healthy men
The leap from “creatine raised DHT levels” to “creatine causes hair loss” is not supported by the study itself. It is an inference — and a poorly supported one.
What Follow-Up Research Found
In the 15+ years since the 2009 study, no independent research team has replicated its finding. Multiple trials investigating creatine and testosterone markers have not found consistent DHT elevation as an effect of creatine supplementation.
A 2022 review published in the Journal of the International Society of Sports Nutrition examined the available evidence and concluded: “The available data do not provide convincing evidence for creatine-induced alterations of androgen status in humans.”
Despite creatine being one of the most popular sports supplements worldwide — used by tens of millions of men since the early 1990s — there are no documented clinical reports of creatine-induced alopecia in the peer-reviewed literature.
Bottom Line on the Research
One small study with a methodological limitation (it measured hormones, not hair) found a transient DHT increase. No other study has confirmed it. No study has ever shown actual hair loss from creatine. The claim rests on a single, unreplicated data point from 2009.
Understanding DHT and Hair Loss
DHT (dihydrotestosterone) is converted from testosterone via the enzyme 5-alpha reductase. In men with a genetic sensitivity to DHT, it can bind to hair follicle receptors and cause them to miniaturize over time — the mechanism behind male pattern baldness.
The key word is genetic. Not everyone responds to DHT the same way. Men without androgenetic alopecia genetics can have elevated DHT for years without losing a single hair. The follicle sensitivity is inherited, not universal.
Even if creatine did reliably raise DHT — which the evidence does not support — the theoretical risk would apply narrowly to men who are already genetically predisposed to male pattern baldness. For everyone else, a modest, transient hormone fluctuation within the normal range is not clinically meaningful.
Who Should Exercise Caution?
Men with strong family history of early baldness
If you have a father and grandfather who went bald early, you carry a meaningful risk of androgenetic alopecia. Creatine is unlikely to be a trigger, but if you notice accelerated shedding after starting, a conversation with a dermatologist is reasonable.
Men already experiencing thinning
If you are already noticing hair thinning, creatine is unlikely to be the cause — but if you want to rule it out, discontinue for 8 weeks and assess whether thinning continues (it likely will, since the cause is genetic, not supplement-related).
Women
Female hair loss operates through entirely different mechanisms (telogen effluvium, diffuse thinning, hormonal changes). The DHT theory from the 2009 study has no meaningful application to women.
The Verdict
Creatine does not cause hair loss. The claim originates from one small, unreplicated study that measured hormones — not hair — and found a transient DHT increase that stayed within normal range. No study in 30+ years of creatine research has documented actual hair loss as an effect.
If you are genetically predisposed to male pattern baldness and want to be conservative, speak with your dermatologist. For the general population, creatine is safe and well-tolerated — the hair loss concern is not supported by current evidence.
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