Does Creatine Increase Testosterone?

Creatine does not appear to meaningfully increase testosterone, and it does not give you testosterone. The confusion largely comes from one small study that measured DHT, not a sustained testosterone increase. Here is what that study found, what later research shows, and why creatine can still support performance without changing your hormones.

Key Takeaways

• Testosterone does not reliably increase: Controlled studies generally find no meaningful change in total or free testosterone with creatine use.
• Creatine is not a steroid: It is a naturally occurring compound that helps your cells produce energy during short, intense efforts.
• One DHT study started the debate: A small 2009 study found higher DHT but no testosterone increase, and the result has not been reliably replicated.
• Hair-loss evidence remains weak: The original study did not measure hair loss, and current research does not prove that creatine causes it.
• Creatine works through energy support: Its performance benefits come from helping regenerate ATP, not from changing your hormonal balance.

The Short Answer

No, creatine does not meaningfully increase testosterone based on the current body of research. Studies have measured both total testosterone, meaning all testosterone circulating in the blood, and free testosterone, meaning the small portion not tightly bound to proteins. Neither measure consistently rises with creatine supplementation.

Creatine is also not testosterone, a hormone, or an anabolic steroid. Anabolic steroids are drugs related to testosterone that directly alter hormonal signaling. Creatine is a compound your body makes from amino acids, the building blocks used to make proteins. You also get small amounts from foods such as meat and fish.

Its main role is energy-related. Most creatine is stored in muscle, where it helps replenish adenosine triphosphate, or ATP. ATP is the immediate energy your cells use to contract muscles and perform other work. During lifting, sprinting, and repeated high-effort exercise, that supply runs down quickly. Stored creatine helps restore it.

This can help you perform more work across repeated sets. Over time, better training may support gains in strength and lean mass. Because testosterone can also influence muscle and strength, people sometimes assume creatine must raise testosterone to work. That conclusion does not follow. Two things can contribute to similar outcomes through completely different pathways.

Where the Belief Came From

The creatine and testosterone belief is easy to understand. Creatine is associated with strength, muscle fullness, and improved training capacity. Testosterone is also associated with muscle development. Online discussions often connect those dots and describe creatine as a natural testosterone booster, even though the biology and research do not support that label.

Early weight gain can add to the confusion. Creatine draws water into muscle cells, so the scale may rise after you begin using it. Muscles can also look fuller. That is not evidence of a testosterone increase. It is largely a change in water stored inside muscle, especially during the first part of supplementation.

Training itself creates another source of confusion. Testosterone naturally changes throughout the day and can shift temporarily after exercise. Sleep, food intake, stress, illness, age, and the time a blood sample is taken can all affect a reading. A small change after one workout does not necessarily mean resting testosterone has increased in a lasting or useful way.

Most of the modern concern traces back to a 2009 study involving male college rugby players. The study attracted attention because it reported an increase in dihydrotestosterone, better known as DHT. DHT is related to testosterone, but it is not the same hormone. More importantly, the study did not find that creatine increased testosterone. That distinction is often lost when the results are shared online.

The DHT Study and What It Actually Measured

The 2009 study followed 20 male college rugby players for three weeks. Participants received either creatine or a placebo. The creatine group used a seven-day loading period of 25 grams per day, followed by 14 days at 5 grams per day. A loading period means taking a larger amount briefly to fill muscle creatine stores faster.

Researchers measured testosterone and DHT in the blood. Testosterone did not significantly change. DHT increased by about 56 percent after the loading period and remained about 40 percent above the group's starting level after the maintenance period. The ratio of DHT to testosterone also rose. DHT levels remained within a normal clinical range.

The study behind the DHT debate measured blood hormones, not hair growth, shedding, or follicle changes.

DHT is an androgen, which means it is a hormone involved in traits commonly associated with male development. The body makes it from testosterone using an enzyme called 5-alpha-reductase. DHT also interacts with scalp hair follicles, which is why the study became connected to hair-loss concerns.

However, the researchers did not measure shedding, hair density, follicle changes, or baldness. The study was small, lasted only 21 days, and its main DHT finding has not been reliably reproduced. Baseline hormone differences and normal day-to-day variation also make a single small result harder to interpret.

The fair conclusion is not that the study was meaningless. It identified a question worth investigating. But it did not show that creatine raises testosterone, and it did not demonstrate that creatine causes hair loss.

What Larger Reviews Found

When researchers consider creatine's hormonal effects, they look beyond one experiment. Reviews compare findings across controlled trials with different participants, doses, training plans, and study lengths. This broader view does not show a consistent increase in total testosterone, free testosterone, or DHT.

A peer-reviewed review of common creatine questions examined the 2009 DHT finding alongside other trials. It noted that multiple studies using creatine for periods ranging from several days to several weeks found no increase in testosterone. The unusual DHT result also has not been reliably replicated.

That does not mean every study produces an identical number. Hormone measurements naturally move around. Small trials may report a temporary rise, fall, or no change at all. What matters is whether a result appears consistently across well-designed studies and whether the change is large enough to matter. Creatine has not met that standard as a testosterone booster.

DHT has been measured less often than testosterone, so the evidence around DHT is not as extensive. It would be too strong to say that creatine can never affect DHT in any person. It is more accurate to say that current research does not establish a reliable or clinically meaningful DHT increase.

This is also why personal stories cannot settle the question. Changes in energy, strength, muscle size, or hair shedding can have many causes. Without comparison groups and controlled measurements, you cannot tell whether creatine was responsible.

Why Creatine Still Works Without Hormonal Effects

Creatine does not need to raise testosterone to be useful. Its best-supported role starts with the phosphocreatine system, one of the body's fastest ways to supply energy. Phosphocreatine is creatine stored with a high-energy phosphate group attached.

When a muscle uses ATP, ATP loses a phosphate group and becomes ADP. Phosphocreatine can donate its phosphate to help turn ADP back into ATP. This happens rapidly, which makes the system especially relevant during brief, demanding activity such as heavy lifting, jumping, and sprinting.

More stored creatine may help you maintain force for another repetition or recover a little better between repeated efforts. Those small differences can add up across a training session. Over weeks and months, completing more quality work can support strength and lean muscle gains when it is paired with a suitable resistance-training program and adequate nutrition.

Creatine also increases water held inside muscle cells. That can contribute to early scale weight and a fuller appearance, but it is not the same as suddenly building new muscle. Actual muscle growth still requires consistent training, recovery, and enough dietary protein and energy.

Creatine is not a stimulant, so you may not feel an immediate rush. It is not acting through the testes, ovaries, or other hormone-producing glands. Research instead focuses on how increasing creatine stores supports cellular energy in muscles and other energy-demanding tissues. This clear mechanism explains why creatine can work even when testosterone measurements stay unchanged.

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What Actually Affects Testosterone

Testosterone is regulated by a signaling system that connects the brain, pituitary gland, and reproductive organs. Creatine is not a meaningful control point in that system. If your goal is to maintain healthy testosterone, focus first on factors that have a clearer relationship with hormone health.

Sleep matters. Short or disrupted sleep can affect normal hormone rhythms, especially when it becomes a pattern. Aim for a schedule that gives you enough time to sleep and keeps your bedtime reasonably consistent.

Nutrition matters too. Severe calorie restriction and very low intake of protein or dietary fat can interfere with normal hormone production. A balanced eating pattern is more useful than chasing one supposed testosterone food or supplement. Correcting a diagnosed nutrient deficiency may help restore normal function, but taking more than you need is not a shortcut to higher testosterone.

Resistance training supports muscle, bone, and metabolic health. A hard workout may cause a temporary hormone shift, but that is different from permanently raising baseline testosterone. Build a routine you can recover from instead of assuming more training always produces more hormones.

Age, genetics, body composition, alcohol intake, ongoing stress, certain medical conditions, and some prescription medications can also influence testosterone. If you have persistent symptoms that concern you, talk to your doctor rather than self-diagnosing from gym performance or a single home test. Proper evaluation may require more than one morning blood test because levels fluctuate.

Talk to your doctor before using creatine if you take prescription medication, have a kidney or liver condition, have another existing medical condition, or are pregnant or breastfeeding. Supplements can support a consistent wellness routine, but they do not replace medical care, balanced nutrition, sleep, or training.

Frequently Asked Questions

Does creatine increase testosterone?

No, creatine has not been shown to produce a reliable or meaningful testosterone increase. Trials measuring total or free testosterone generally report no significant change. Creatine supports rapid cellular energy recycling, which may improve repeated high-intensity performance without altering testosterone. It is not a hormone and does not give your body extra testosterone.

Does creatine affect DHT?

Creatine has not been proven to cause a consistent DHT increase. One small 2009 study found higher DHT after a loading phase, but testosterone stayed unchanged and later research has not reliably repeated the result. Because fewer trials have measured DHT directly, a minor effect cannot be completely ruled out, but the current evidence is weak.

Does creatine cause hair loss?

There is no good evidence proving that creatine causes hair loss. The concern comes from the small study that found higher DHT, a hormone involved in genetically influenced pattern hair loss. That study did not examine hair or shedding, and its DHT result remains unconfirmed. If you notice new or rapid hair loss, discuss it with your doctor.

Is creatine a steroid?

No, creatine is not a steroid or a hormone. It is a naturally occurring compound stored mainly in muscle and used to help regenerate cellular energy. Anabolic steroids are testosterone-related drugs that change hormonal signaling. Creatine works through a different mechanism and does not have steroid-like hormonal effects.

Does creatine affect hormones in women?

Creatine does not appear to meaningfully raise testosterone or disrupt reproductive hormones in women. Research on every individual hormone is limited, but creatine's known action involves cellular energy rather than hormonal stimulation. Anyone who is pregnant, breastfeeding, managing an existing medical condition, or taking prescription medication should talk to their doctor before using it.