Does Creatine Cause Hair Loss?

IF THE INFAMOUS hair loss rumor is your reason for skipping out on creatine to maximize gains, you might want to keep reading. We get it—hair loss is a threat to nearly 70 percent of men, according to the Cleveland Clinic, so it’s normal to be concerned about. The good (and bad) news is that the biggest threat to the integrity of your hair is mostly your genetics. Genetics are the top culprit of hair thinning, along with diseases like alopecia, stress, and cancer treatments. Not a part of that list, though, is creatine supplements. Creatine is one of the top muscle building supplements. Creatine is one of the most popular supplements on the market. With that popularity comes a ton of research on the effectiveness and side effects of the supplement. According to exercise physiologist Jose Antonio, Ph.D., of Nova Southeastern University, “Creatine’s been the subject of more than 500 scientific studies. No other food or dietary supplement has as much supportive data.” Yet creatine remains a perpetual target for rumors and misconceptions. Among the most powerful: That creatine causes hair loss. The myth stemmed from a single, early study, where the results have yet to replicated. Research remains ongoing, but “the current body of evidence does not indicate that creatine causes hair loss or baldness,” says Antonio. Is the Creatine-Hair-Loss Myth Really A Myth? The hair-loss rumor stems from a single study conducted in 2009 in South Africa in which a group of college-aged rugby players took creatine every day for three weeks. The study showed a “statistically significant” increase in the participants’ levels of dihydrotestosterone (DHT), the testosterone byproduct that, in high concentrations, can shrink hair follicles, shorten the hair growth cycle, and cause hair to thin. However, according to Antonio—who, along with an internationally renowned team of researchers, reviewed the most common creatine misconceptions for the Journal of the International Society of Sports Nutrition—none of the rugby players in the study actually experienced hair loss as a result of taking the supplement. What’s more, the people in the study who received the creatine started out with baseline DHT levels 23% lower than the placebo group, and their measured increase in DHT “remained well within normal clinical limits.” In other words, their DHT levels started out low and they stayed low. “‘Statistically significant’ is not the same thing as physiologically meaningful,” Antonio says. Twelve other clinical trials have examined the effects of creatine supplements on testosterone, and, so far, none have replicated the findings of the South African study. Nevertheless, the study made its way to social media and the creatine-causes-hair-loss rumor was born. What Is Creatine, Anyway? Creatine is simply an amino-acid derivative. It helps create and store the molecule phosphocreatine (PCR), which the muscles use to generate energy for low-duration, high-intensity exercise. Antonio laments creatine’s bad rap. “I’ve been taking it for 25 years,” he says. He cites studies showing that creatine may help improve memory and brain function and benefits patients with neuromuscular diseases, type 2 diabetes, Parkinson’s disease, Alzheimer’s disease, and traumatic brain injury. The supplement may even help limit the amount of damage from a concussion. Creatine may also work synergistically with exercise to slow, and perhaps even reverse, age-related muscle loss (sarcopenia). What Else Should I Know About Creatine? Creatine isn’t FDA approved as a drug, but it is designated as GRAS (Generally Recognized as Safe) by the Food and Drug Administration. If used correctly, creatine doesn’t have many side effects other than some weight gain, though usually in the form of lean muscle mass. A study in the International Journal of Sport Nutrition and Exercise Metabolism suggests that caffeine may make creatine less effective, though more research is needed. Leslie Bonci, dietitian for the Kansas City Chiefs, cautions that creatine may not work for everyone. Since creatine is a naturally occurring organic compound in most meats and fish, Bonci says creatine supplements may be more beneficial for vegetarians “who don’t already consume creatine as part of their daily diets.”play iconThe triangle icon that indicates to playAny guy thinking about adding creatine to his diet should visit a reputable health-food or vitamin-and-nutrition store, says MH dermatology advisor Adnan Nasir, M.D. The supplement is available as a powder, tablet, energy bar, or drink mix. Discover how to buy an effective creatine supplement here. Men with underlying kidney disease should consult their doctor before coming home with a barrel of powder. And stick to the recommended amount: typically 3 to 5 grams a day. Guzzling 20 grams at a time isn’t going to turn you overnight into the Hulk. Creatine is water soluble, which means if you take too much, you’ll literally be flushing your money down the toilet. At least you can be pretty sure that creatine won’t cause you to find your hair around the shower drain. Men’s healthMen’s health Lettermark logoDavid McGlynn’s writing has appeared in numerous places including _The New York Times, Best American Sports Writing, and Real Simple. He’s also the author of One Day You’ll Thank Me: Lessons from an Unexpected Fatherhood. He lives in Madison, Wisconsin.Cori Ritchey, NASM-CPT is an Associate Health & Fitness Editor at Men’s Health and a certified personal trainer and group fitness instructor. You can find more of her work in HealthCentral, Livestrong, Self, and others.

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