No — and as of 2025 there is a randomized controlled trial that looked directly for it and found nothing. The rumor traces to a single small study from 2009 that measured a hormone, not hair, and was never replicated.
Key takeaways
- A 12-week randomized controlled trial published in 2025 measured hair and hormones directly. It found no difference between creatine and placebo.
- The 2009 study everyone cites measured DHT in blood. It never measured hair.
- No trial has ever shown creatine causing hair loss.
- Androgenetic alopecia is genetic. Follicle sensitivity to DHT is inherited, not created by a supplement.
- If your hair is thinning, creatine is almost certainly not the reason — but a dermatologist can tell you what is.
This is the most persistent myth in sports nutrition, and it has cost a lot of people the best-evidenced supplement available to them.
It is worth understanding exactly how a single three-week study became received wisdom, because the story explains why the answer is more settled than the internet suggests.
Where the rumor came from
In 2009, researchers gave creatine to a group of college-aged rugby players and tracked their hormones across a loading phase and a maintenance phase. They reported a rise in dihydrotestosterone (DHT), an androgen that is genuinely implicated in male pattern baldness, and a shift in the ratio of DHT to testosterone.
That is the entire basis of the claim. An ISSN review of creatine misconceptions walks through that study and its limitations directly.
Three things about it matter, and almost no page mentions all three.
It never measured hair. Not follicle counts, not shedding, not density, not thinning. It measured a hormone in blood. The leap from "DHT rose" to "you will go bald" was made by readers, not by the researchers.
It was small and short. A single group of young rugby players over three weeks. That is a pilot-scale finding, not a settled result.
It was never replicated. Later attempts to reproduce the DHT effect have not consistently found it. In science, one unreplicated result is a hypothesis. It became a fact by repetition on the internet instead.
What the 2025 trial found
The question stayed open for fifteen years because nobody had run the obvious experiment: give people creatine, then look at their hair.
In 2025 that trial was published. A 12-week randomized controlled trial in the Journal of the International Society of Sports Nutrition assessed hair and hormonal outcomes directly, comparing creatine supplementation against placebo. It found no significant differences between the groups.
That is the study the field was missing, and it points the same way as everything else. Cleveland Clinic reaches the same conclusion in its consumer guidance.
Two honest caveats, because overstating this would repeat the original mistake in the opposite direction.
Twelve weeks is not a lifetime, and androgenetic alopecia progresses over years. And a single trial, however well designed, is one trial. But the evidence now runs in one direction: the study that looked for hair loss did not find it, and the study that started the panic never looked.
What actually causes hair loss
Understanding this makes the creatine question feel much smaller.
Genetics, overwhelmingly. Androgenetic alopecia — male and female pattern hair loss — depends on whether your hair follicles are genetically sensitive to DHT. That sensitivity is inherited. A supplement does not create it.
This is the crux. Even if creatine did nudge DHT, a follicle without inherited sensitivity does not miniaturise in response. And a follicle with that sensitivity is already responding to the DHT your body makes anyway.
Other real causes:
- Telogen effluvium — temporary shedding triggered by illness, surgery, major stress, or a sharp change in training or diet. Often mistaken for pattern baldness because it appears suddenly.
- Nutritional shortfalls — iron and overall calorie intake in particular. Notably, people starting creatine are often changing their training and eating at the same time. Research on creatine beyond athletics covers how intake patterns differ across groups, vegans especially.
- Thyroid disorders.
- Age. Many people start creatine in their twenties, the same decade male pattern hair loss typically begins. Creatine's own effects, by contrast, are on short-burst energy rather than anything hormonal — a distinction the endurance literature makes clear when it examines where creatine helps and where it does not.
That last point is the one worth sitting with. The most common reason someone notices thinning after starting creatine is that they were going to notice it anyway. Correlation is doing all the work.
What creatine actually does
Creatine's real mechanism has nothing to do with hormones.
It increases the phosphocreatine stored in your muscles, which lets your cells regenerate ATP faster during short, intense effort. The ISSN's review of the evidence base covers the history and the mechanism, and Creatine in Health and Disease sets out its broader physiology.
It is not a hormone. It is not a steroid. It is not converted into one. Creatine is a compound your body already makes from amino acids and that you already eat in meat and fish. An umbrella review of performance-enhancing substances places it firmly among nutritional aids rather than hormonal agents — which is exactly why the DHT finding was surprising enough to spread.
The safety picture more broadly
Since "why do doctors say no to creatine" is a question people actually ask, it is worth addressing the wider anxiety.
Creatine monohydrate is among the most-studied supplements in existence, and the safety record is strong. The ISSN misconceptions review works through the common concerns one by one.
Kidneys. The most durable worry, and it comes from a measurement artefact: creatine raises serum creatinine, which is used to estimate kidney function, so a routine blood test can look alarming without anything being wrong. A narrative review of this exact question examined the evidence for creatine-induced kidney failure and found the case unsupported in healthy people. Anyone with existing kidney disease should still speak to their clinician.
Beyond athletes. Research now covers older adults and clinical populations, rehabilitation settings, and vascular health. That breadth is unusual for a supplement and it is the main reason its safety profile is described with such confidence.
Water retention, not fat. The weight that shows up in the first weeks is water drawn into muscle cells, which is a separate question covered in whether creatine makes you gain weight. Requirements and responses also differ by sex, a point set out in research on creatine in women's health.
If your hair is thinning anyway
Practical, in order.
- Do not stop creatine on the assumption it is the cause. The evidence does not support that, and you would lose a well-evidenced supplement for nothing.
- See a dermatologist. Pattern hair loss, telogen effluvium and thyroid-related shedding look different to a trained eye and have different treatments. Guessing wastes the window when intervention works best.
- Note when it started. Sudden diffuse shedding two to three months after a stressful event suggests telogen effluvium, which usually resolves.
- Check the rest of your intake. Iron and total calories matter, particularly if you started training harder at the same time.
- Family history is the strongest predictor. More useful than any supplement audit.
Where the product fits
Nutri Boost Lifestyle's creatine monohydrate is plain monohydrate — the form used in nearly all of the research above, including the 2025 hair trial. There is no version of creatine that is "safer for hair," because the concern does not hold up for any of them.
If you want the fuller picture before starting, what creatine is covers the mechanism and how much creatine to take covers dosing. The fitness and performance range covers what sits alongside it, and the supplement quiz narrows things down if you are unsure.
Common questions
Does 5g of creatine increase DHT? The 2009 rugby study reported a rise in DHT during loading and maintenance, but that finding has not been consistently replicated, and the 2025 randomized trial found no significant hormonal or hair differences against placebo. A standard 5g maintenance dose has no established effect on DHT.
Will my hair grow back after stopping creatine? If creatine was not causing the loss — and the evidence says it was not — stopping will not reverse anything. Hair that regrows after stopping was most likely shedding from telogen effluvium, which resolves on its own regardless.
Is creatine hair loss reversible? The premise does not hold. No trial has demonstrated creatine-caused hair loss, so there is nothing established to reverse. Genuine pattern hair loss is progressive and needs dermatological treatment rather than a change of supplement.
Is creatine bad for thin hair? There is no evidence that creatine worsens existing thinning. If you already have pattern hair loss, the driver is follicle sensitivity to the DHT your body produces on its own.
Does creatine cause hair loss in women? No evidence supports it. Women have substantially lower circulating DHT than men, and the same absence of trial evidence applies. What creatine does for women covers the wider picture.
Why do doctors say no to creatine? Most do not. Reluctance usually comes from outdated kidney concerns rooted in the serum creatinine artefact, or from general caution about supplements. Anyone with kidney disease, or who is pregnant or breastfeeding, should get individual advice.
The short version
Creatine does not cause balding. The rumor rests on one small 2009 study that measured a hormone in blood, never looked at hair, and was never replicated. In 2025 a 12-week randomized controlled trial finally examined hair and hormones directly and found no difference against placebo.
Pattern hair loss is inherited. Follicles either carry DHT sensitivity or they do not, and a supplement does not install it. The commonest reason people blame creatine is timing: many start it in the same decade hair loss naturally begins.
If your hair is thinning, that deserves a real answer from a dermatologist rather than a guess about your supplement shelf. Dropping creatine will not fix it, and you will have given up the best-evidenced supplement in sports nutrition for a myth that has now been tested and failed.
How we source this
This article draws on randomized controlled trial evidence and peer-reviewed reviews indexed in PubMed Central, principally the Journal of the International Society of Sports Nutrition and Nutrients, alongside consumer guidance from Cleveland Clinic. Government and peer-reviewed sources are preferred over secondary health media, and every external link was checked to resolve at the time of review. Where a claim rests on a single unreplicated study — as the original DHT finding does — this article says so.
Written by the Nutri Boost Lifestyle Research Team. Last reviewed 7 September 2026. This article has not been reviewed by an individual licensed clinician and is not a substitute for personal medical advice.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.