Does Creatine Cause Hair Loss? What the Evidence Shows

Medically reviewed by our in-house trichology committee.

The short answer, and the sixteen-year gap

No study has ever shown that creatine makes hair fall out. The one trial that looked directly at hair found no difference from placebo, and it was published in 2025 — sixteen years after the belief started.

That gap is the real story here, and it is worth ten minutes of your time even if the headline already answers your question. Because the way a single blood measurement on twenty rugby players turned into the most repeated objection in gyms worldwide is exactly the way half the claims on the hair-loss shelf get made. Learn the pattern once and you will spot it everywhere.

Start with what is not in dispute. Dihydrotestosterone — DHT — genuinely drives male pattern hair loss. On a genetically susceptible follicle it shortens each cycle and shrinks the hair a little more every time round. That mechanism is solid, and Finasteride for Hair Loss: What the Evidence Actually Shows covers it in detail. Nobody argues about that part.

The argument is about a single word: therefore.

If you are here mainly to decide what to buy, here is the practical part up front. The form of creatine that was actually studied — in 2009, in 2025, and in virtually every published trial — is monohydrate. The buffered, esterified, “next-generation” blends do not come with a better evidence file. They come with better copywriting.

Where the belief actually comes from

Every version of this claim you have ever read traces back to one paper. Not a body of work, not a consensus — one paper, published in 2009 in a sports medicine journal, on twenty college-aged rugby players at a South African institute.

The chain of reasoning built on it has three links, and it has the elegance of most wrong arguments: each link is defensible on its own.

DHT drives pattern baldness. True. That study measured a rise in circulating DHT. Also true. Therefore creatine causes hair loss. Never shown, by anyone, at any point in the sixteen years that followed.

What makes this worth dissecting rather than just dismissing is that nobody checked. The claim spread through forums, then videos, then into the mouths of people who genuinely believed they were passing on established science. It was never a marketing campaign and never a conspiracy. It was a reasonable-sounding sentence that nobody tested.

What twenty rugby players did and did not show

Go back to the document itself, since almost nobody does.

The design was decent for its size and era: double-blind, placebo-controlled, crossover, with a six-week washout between arms. Twenty players. A one-week high-dose loading phase, then two weeks at a maintenance dose.

What was published: total testosterone did not move. DHT rose by roughly 56% after the loading week, and was still 40% above baseline after the two maintenance weeks. The DHT-to-testosterone ratio climbed 36%, then settled back to 22%.

Those numbers are real, and you should be suspicious of any article that skates over them. I am quoting them as they were reported.

Now the part that matters more — what the study did not do.

It examined no scalps. It performed no hair counts, no standardized photography, no dermatological assessment. Nobody asked the participants about hair, and none of them raised it. The whole thing ran three weeks, which is in any case far too short for a change in hair density to be visible: follicles do not miniaturize on that timescale.

Then there is the dose. The 56% figure came out of a loading phase well above what an ordinary lifter takes day to day. That is not a footnote about protocol — it is the specific condition that produced the number everybody quotes.

💡 Thomas R.’s take: “When someone tells me they quit creatine for their hair, I ask the same question every time: did it work? In twelve years the answer has been no almost without exception. Which makes sense. If the shedding started before, it carries on; if it started after, it had another cause anyway. What quitting reliably produces is six lost months on the real problem.”

Surrogate markers run the whole supplement aisle

Here is the reading habit I would like you to take away, because it is worth far more than the creatine answer itself.

Studies tend to measure what is easy rather than what you care about. What you care about is how much hair is on your head in two years. What is easy is a blood draw in three weeks. Between the two sits an assumption, and that assumption is called a surrogate marker.

Surrogate markers are not fraud. They are shortcuts — occasionally productive, frequently misleading — and medicine keeps a long list of cases where following one led everybody off a cliff. The trouble is that they quietly upgrade “we observed a biological change” into “we observed an effect”, when those are claims of very different rank.

Applied here, the right question was never “does creatine raise DHT”. It is: does that change, at that size, in those people, alter what happens to their hair? Three weeks of numbers in a tube does not answer that. It only asks it.

Keep the reflex for the rest of the shelf. An ingredient that “stimulates the follicle in culture”, an extract that “inhibits 5-alpha-reductase in vitro”, a capsule that “improves a marker of oxidative stress” — every time, ask what was counted on actual heads. That gap is precisely what separates Does Saw Palmetto Work for Hair Loss? The Honest Numbers from its own packaging, and Does Biotin Work for Hair Loss? What It Does, and What It Distorts from what the pharmacy aisle implies about it.

2025: the trial that finally counted hair

In April 2025 the Journal of the International Society of Sports Nutrition published a randomized placebo-controlled trial with a title that does not bother being subtle: Does creatine cause hair loss?

Forty-five resistance-trained men, aged 18 to 40, allocated to creatine monohydrate or a maltodextrin placebo, followed for twelve weeks — four times the length of the 2009 study.

The measurement list is what changes everything. Total testosterone, free testosterone, DHT, the DHT-to-testosterone ratio, as in 2009. But also, for the first time, the hair itself: density, follicular unit counts, strand thickness, by phototrichogram.

The finding: no significant difference between the groups, on the hormones or on the hair.

Read that with the same care you applied to the 2009 numbers. “No significant difference” is not “definitive proof that nothing ever happens to anyone”. This was a modest trial, twelve weeks long, in young men, with no screening for genetic balding risk. A heavily predisposed man over ten years was not observed by this design, and nobody should pretend otherwise.

But notice what happened all the same. The only study to look at the organ under discussion found nothing — and it did not reproduce the 2009 hormone rise either, which in sixteen years had never been replicated by anyone. The 2021 review of common creatine misconceptions had already reached that conclusion: the available literature does not support a consistent effect on these hormones, let alone on hair.

So the state of play is one unreplicated observation of an indirect marker on one side, and a trial that measured the outcome that matters and saw nothing on the other. That is not a tie.

Is your creatine actually the problem?

All of the above describes groups. You are a person, with a timeline, a shedding pattern, and a cupboard whose contents may not stop at white powder. Three questions will place you — and in most cases, move your attention somewhere it can do some good.

Why lifting and balding start at the same age

If the evidence is this thin, why is the belief this strong? I think it is an accident of timing.

Look at the two curves. The age at which a man starts training seriously and buys his first tub: early twenties, early thirties. The age at which male pattern hair loss becomes visible in those who carry it: early twenties, early thirties. Two completely independent events, landing in the same window of the same life.

When two things arrive together and only one of them is a product you chose to buy, the product takes the blame. The other one is just heredity. It does not go to the shop, and you cannot decide to stop it.

There is a second mechanism, quieter and probably stronger. Nobody notices their hair loss the day it starts. They notice it the day they start looking. Taking up training is exactly that: photographing yourself, weighing yourself, standing in a room lined with mirrors, seeing the back of your own head in a picture somebody else took. Temples that had been creeping back for three years get discovered in a single week — and that week is the week the tub arrived.

One more detail finishes the job. Between a cause and its visible effect on hair, two to four months normally pass. That lag manufactures extremely convincing coincidences, and it accounts on its own for a large share of the sincere, consistent forum testimony you will find on this subject.

None of which means your shedding is imaginary. It is real, it has a cause, and that cause deserves identifying — which is what Male Pattern Baldness at 30: Normal or a Red Flag? is for, at the age when the question comes up most. The powder is simply the wrong lead, and the time spent suspecting it is time miniaturization does not give back.

What a label is allowed to claim

A short regulatory detour, because it settles a question people ask without quite phrasing it: if creatine did affect hair, in either direction, would anyone be obliged to print it?

Claims on supplements are not free text. In the European Union they sit in a register, and anything absent from it is prohibited. For creatine, the authorised wording says it increases physical performance in successive bursts of short-term, high-intensity exercise, subject to a specified daily intake. That is the entire list. Nothing about hair, nothing about hormones, nothing about testosterone.

That silence invites two opposite misreadings, and both are wrong. It does not mean a hair risk was buried — a claims register governs what you may promise, not what you must confess. And it does not mean a hair benefit exists unmentioned.

What it does tell you is genuinely useful: on the subject of hair, creatine has nothing to sell and nothing to defend. No manufacturer has any commercial interest in positioning it as a hair product, one way or the other. Which makes it all the more striking that the topic takes up so much room in conversation, with no commercial actor ever having fed it. This rumour spread entirely under its own power, which is rare, and is the thing that actually needed explaining.

Limits, and when to see someone

Three limits, stated plainly.

This article does not say creatine has no effects on the body. It says no effect on hair has been demonstrated. Those are different claims, and only the second is this site’s subject. Anything about general tolerance — renal questions in particular, for anyone with a history there — belongs with a doctor or a pharmacist, not an article about balding.

Long-duration and high-risk data are missing. Twelve weeks in unselected young men is not ten years in a heavily predisposed one. Absence of evidence of an effect is not a guarantee, and I have no interest in swapping a rumour for an equally unfounded certainty pointing the other way.

Nothing here is a diagnosis. Androgenetic alopecia, telogen effluvium, alopecia areata and iron deficiency look similar from a distance and are managed in completely unrelated ways. Sorting them takes a scalp examination and sometimes a few blood markers.

Some presentations warrant prompt attention regardless of everything above: sudden heavy shedding, clean-edged bald patches, a red or painful scalp, or associated systemic signs such as unusual fatigue or marked weight change. No amount of thinking about a supplement should be used to keep those waiting.

Frequently asked questions

Should I stop creatine if I am losing hair?

Nothing in the available evidence requires it. If the shedding predates the creatine, the timeline clears it. If it started afterwards, the 2025 trial found no difference from placebo on hair itself. And a decision like that is better made once you know what is causing the loss — which means going and finding out first.

Does the loading phase change anything?

It is the one nuance worth keeping, and it is an honest one: the DHT rise seen in 2009 appeared during a high-dose loading phase and faded at maintenance dosing. If that bothers you, note that the work done since, including the 2025 trial, used a straightforward maintenance schedule with no loading at all. Any change to what you take is a conversation with a health professional, not with an article.

Could creatine actually help hair grow?

No — and be wary of content that started hinting at this after the 2025 publication. The trial did not find a benefit. It found no difference, which is the precise opposite of a positive effect. A sports supplement remains a sports supplement.

Why do so many personal accounts say otherwise?

Because they describe something real — hair falling out — attached to an explanation that is plausible and wrong. The two-to-four month lag between a cause and its visible effect, combined with the fact that men start examining themselves at the exact moment they start training, is enough to generate thousands of sincere, mutually consistent accounts of a link that is not there.

What about women?

The question rarely arises, because the rumour was born in a male context and rests on an androgenic hormone. Female shedding reads differently, with iron status, thyroid function and the hormonal picture in front. The starting point there is blood work, not a supplement inventory.

Does a family history of baldness change the answer?

It changes your risk of going bald. It does not change creatine’s role in that process, which remains none. A heavily predisposed man loses hair on his genetic schedule, powder or no powder. What genuinely changes his outlook is how early it is addressed — which is exactly what the false lead costs him.

Sources and references

1. van der Merwe J, Brooks NE, Myburgh KH. — Three weeks of creatine monohydrate supplementation affects dihydrotestosterone to testosterone ratio in college-aged rugby players. Clinical Journal of Sport Medicine, 2009;19(5):399–404. Double-blind placebo-controlled crossover, 20 players, loading then maintenance; no hair or scalp assessment was performed.
2. Lak M, Forbes SC, Ashtary-Larky D, Dadkhahfar S, Robati RM, Nezakati F, Khajevandi M, Naseri S, Gerafiani A, Haghighat N, Antonio J, Tinsley GM. — Does creatine cause hair loss? A 12-week randomized controlled trial. Journal of the International Society of Sports Nutrition, 2025;22(1). DOI 10.1080/15502783.2025.2495229. Randomized placebo-controlled trial, 45 resistance-trained men aged 18–40, creatine monohydrate vs maltodextrin, measuring androgens and hair parameters.
3. Antonio J, Candow DG, Forbes SC, et al. — Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show? Journal of the International Society of Sports Nutrition, 2021;18(1):13. DOI 10.1186/s12970-021-00412-w. Review of common misconceptions, including the hair loss claim.
4. Kreider RB, Kalman DS, Antonio J, et al. — International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine. Journal of the International Society of Sports Nutrition, 2017;14:18. DOI 10.1186/s12970-017-0173-z. Reference position stand on the monohydrate form and its tolerance.
5. European Commission — EU Register of nutrition and health claims, Regulation (EU) No 432/2012: the authorised claim for creatine concerns an increase in physical performance in successive bursts of short-term, high-intensity exercise. No hair-related claim exists for this substance.