Written by PowerCUBEgummies
Last updated & published on 11th May 2026

Creatine has carried myths for decades, largely because it became popular at a time when many people were suspicious of anything linked to strength, muscle growth or athletic performance.

The most common claims are familiar: creatine makes you hold useless water, creatine causes hair loss, and creatine damages the kidneys. Those claims sound serious, but they need to be separated from what creatine actually does in the body and what controlled research shows. (1, 2)

The more accurate view is simple. Creatine monohydrate is one of the most studied supplements in sports nutrition. It can increase muscle creatine and phosphocreatine stores, support high-intensity exercise performance, and help training adaptations when paired with consistent resistance training. (1, 3)

That does not mean every claim about creatine should be exaggerated. Water retention can happen. Lab markers such as creatinine can be misunderstood. Hair loss has been discussed because of one older hormone study. The question is whether these points prove harm. The evidence does not support that conclusion for healthy adults using creatine appropriately. (1, 2)

Water Retention

The fact that creatine can increase water held in the body is not the myth. It is part of how creatine works. Creatine is osmotically active, meaning water can move with it as muscle creatine stores rise. (2, 4)

This is why some people notice a small increase in scale weight or fuller-looking muscles after starting creatine, especially if they use a loading phase. That water is mostly held inside muscle tissue. It is not the same as fat gain, and it does not mean the supplement is only producing a cosmetic effect. (2, 4)

The myth is that creatine benefits are only water retention. Research does not support that. Creatine supplementation, especially when combined with resistance training, is linked with improvements in strength, power, fat-free mass and training capacity. Water changes may be part of the early response, but they do not explain the full performance and training-adaptation picture. (1, 3, 5)

Creatine is also not only relevant to bodybuilders. Reviews examining endurance performance suggest creatine can help in events or sports that involve surges, sprints, hills, repeated accelerations or fast finishes. That is a different claim from saying creatine turns steady-state endurance into strength training; it simply means the supplement may support the high-intensity parts of endurance sport. (6)

The practical takeaway is that early water weight should be interpreted correctly. If body weight rises slightly after starting creatine but waist measurements, training output and body composition are improving, the change is not automatically negative.

Hair Loss

The claim that creatine causes hair loss usually comes back to dihydrotestosterone, or DHT. DHT is an androgen involved in male development and is also linked to androgenetic hair loss in people who are genetically susceptible.

The concern gained attention after a small 2009 study in college-aged rugby players reported changes in DHT-related measures after creatine loading. That study did not measure hair loss itself, and the finding has not been consistently replicated. (7)

A stronger way to assess the claim is to look at whether creatine reliably changes testosterone, DHT or actual hair-health markers. A 2021 review of common creatine misconceptions concluded that the broader evidence does not indicate creatine increases total testosterone, free testosterone or DHT. (2)

More recently, a 12-week randomized controlled trial directly assessed creatine supplementation, androgen markers and hair follicle outcomes in resistance-trained men. The study found no meaningful relationship between creatine use and hair loss markers compared with placebo. (8)

The current evidence does not support the claim that creatine causes hair loss. Hair loss can still occur for genetic, hormonal, medical or age-related reasons, but blaming standard creatine monohydrate use is not supported by the best available evidence.

Kidney Health

The kidney myth is easier to understand because it involves a real lab marker: creatinine. Creatinine is a breakdown product related to creatine metabolism, and it is commonly used in blood testing as part of kidney-function assessment.

The confusion is that higher creatinine can sometimes signal impaired kidney filtration, but creatinine can also be influenced by muscle mass, meat intake, training, hydration status and creatine use. An increase in creatinine after supplementing does not automatically mean kidney damage. (2, 9)

Systematic reviews and meta-analyses have not shown that standard creatine supplementation damages kidney function in healthy people when used within studied doses and durations. A 2019 review found no evidence that creatine induced renal damage in the studied conditions, and a 2025 meta-analysis reported that creatine may modestly increase serum creatinine without reducing glomerular filtration rate. (9, 10)

Longer-term and controlled studies also support the same direction. Research in healthy athletes and resistance-trained people has not found kidney-function impairment from creatine supplementation, including in people consuming higher-protein diets. (11, 12)

The sensible position is not to ignore kidney health. People with kidney disease, abnormal kidney markers, relevant medication use, or medical conditions should speak with a qualified healthcare professional before taking creatine. For healthy adults using standard doses, the evidence does not support the claim that creatine monohydrate damages the kidneys. (1, 2, 9, 10)

The Problem with Creatine Myths

Creatine myths are not harmless when they stop people from using a supplement that could genuinely support their training, strength, muscle maintenance or recovery goals.

The issue is not that people ask safety questions. Safety questions are reasonable. The issue is when outdated claims are repeated as fact after stronger research has already answered them.

The Myths Create Fear

Millions of people use creatine or have considered using it. When unsupported claims about kidney damage, hair loss or dangerous water retention are repeated without context, they can create unnecessary anxiety.

That anxiety can be especially strong for beginners, older adults, women, endurance athletes or anyone who has only heard creatine discussed as a harsh bodybuilding supplement. The science is more nuanced and more reassuring than that. (1, 2)

The Myths Are Malicious

Some creatine myths grew during an era when performance supplements were often discussed as if they were all the same as banned drugs. That framing was wrong. Creatine is not a steroid, hormone or stimulant.

Creatine is found naturally in the body and in foods such as meat and fish. Supplementation raises available creatine stores beyond what most people can conveniently obtain from diet alone. That is not the same as drug-enhanced performance.

The Myths Cause Real Harm

The harm is practical. If someone avoids creatine because they believe it automatically causes baldness or kidney damage, they may miss a well-studied tool for strength, power, lean-mass support and repeated high-intensity training. (1, 3, 5)

Emerging research also examines creatine beyond muscle, including brain energy metabolism and cognitive outcomes. These areas should not be oversold, but they show why creatine should be discussed accurately rather than dismissed through old myths. (13)

The better standard is evidence, dose accuracy and context. Use creatine monohydrate properly, choose products with transparent quality standards, and judge claims by controlled research rather than fear-based supplement myths.

The Most Factual Thing in Fitness

Creatine is not mysterious. It is not a steroid, not a shortcut around training, and not a supplement that needs exaggerated fear attached to it.

The real facts are clear: creatine can increase muscle creatine stores, support short-duration high-intensity exercise, improve strength and training adaptations in many settings, and produce some early water-weight changes that should not be confused with fat gain. (1, 2, 3)

The strongest evidence does not support the common claims that creatine monohydrate causes hair loss, kidney damage, dehydration or harmful water retention in healthy adults using appropriate doses. People with relevant medical conditions should still get qualified advice, but healthy users do not need to treat creatine like a dangerous or suspicious product. (1, 2, 8, 9, 10)

The practical conclusion is straightforward: use creatine consistently, dose it properly, keep training and nutrition in place, and separate real physiology from myths that have outlived the evidence.

Sources

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2. Antonio J, Candow DG, Forbes SC, Gualano B, Jagim AR, Kreider RB, Rawson ES, Smith-Ryan AE, VanDusseldorp TA, Willoughby DS, Ziegenfuss TN. Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show? J Int Soc Sports Nutr. 2021;18(1):13. doi: 10.1186/s12970-021-00412-w. PMID: 33557850.

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5. Burke R, Pinero A, Coleman M, Mohan A, Sapuppo M, Augustin F, Aragon AA, Candow DG, Forbes SC, Swinton P, Schoenfeld BJ. The effects of creatine supplementation combined with resistance training on regional measures of muscle hypertrophy: a systematic review with meta-analysis. Nutrients. 2023;15(9):2116. doi: 10.3390/nu15092116. PMID: 37432300.

6. Forbes SC, Candow DG, Neto JHF, Kennedy MD, Forbes JL, Machado M, Bustillo E, Gomez-Lopez J, Zapata A, Antonio J. Creatine supplementation and endurance performance: surges and sprints to win the race. J Int Soc Sports Nutr. 2023;20(1):2204071. doi: 10.1080/15502783.2023.2204071. PMID: 37096381.

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8. 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. J Int Soc Sports Nutr. 2025;22(sup1):2495229. doi: 10.1080/15502783.2025.2495229. PMID: 40265319.

9. de Souza E Silva A, Pertille A, Reis Barbosa CG, Aparecida de Oliveira Silva J, de Jesus DV, Ribeiro AGSV, Baganha RJ, de Oliveira JJ. Effects of creatine supplementation on renal function: a systematic review and meta-analysis. J Ren Nutr. 2019;29(6):480-489. doi: 10.1053/j.jrn.2019.05.004. PMID: 31375416.

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12. Lugaresi R, Leme M, de Salles Painelli V, Murai IH, Roschel H, Sapienza MT, Lancha Junior AH, Gualano B. Does long-term creatine supplementation impair kidney function in resistance-trained individuals consuming a high-protein diet? J Int Soc Sports Nutr. 2013;10:26. doi: 10.1186/1550-2783-10-26. PMID: 23680457.

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