5 Creatine Myths You Can Stop Believing

Few supplements attract as many persistent rumors as creatine. Let's walk through five of the most common, with a look at what the research actually shows.

Myth 1: Creatine damages your kidneys

This is the most stubborn creatine myth, and it comes from a misreading of how kidney function is measured. Creatinine — the breakdown product of creatine — is commonly used as a marker of kidney function on blood tests. Supplementing with creatine can mildly elevate creatinine levels in the blood, but this reflects increased creatine availability, not kidney damage. Studies in healthy adults consistently show no negative impact on kidney function from standard creatine doses. People with pre-existing kidney conditions should consult their physician before supplementing.

Myth 2: Creatine causes hair loss

This rumor traces back to a single 2009 study on rugby players that observed an increase in DHT (a hormone linked to male pattern baldness) after creatine loading. The study didn't measure hair loss itself, and the results haven't been replicated in larger trials. Current evidence does not support a direct cause-and-effect relationship between creatine and hair loss.

Myth 3: Creatine causes bloating

Creatine does pull a small amount of water into your muscle cells — which is part of how it works. This is intracellular water, and most people don't perceive it as "bloating." What can cause a temporary, noticeable water-weight increase is the high-dose loading phase (20g per day). Skipping the loading phase and starting with a standard 3 to 5g daily dose typically avoids any noticeable change.

Myth 4: You need to cycle creatine

There's no scientific basis for cycling on and off creatine. Your body doesn't "downregulate" or build tolerance to it the way it might with caffeine. Long-term continuous use at standard doses is supported by the research.

Myth 5: Creatine is only for bodybuilders

Creatine is most studied in the context of resistance training, but its benefits extend further. Research supports its use for endurance athletes (in some contexts), older adults seeking to preserve muscle and cognitive function, and individuals dealing with sleep deprivation or mental fatigue. It's not a miracle nootropic, but the picture is broader than "supplement for lifters."

What's actually true

Creatine monohydrate is one of the safest, most well-studied supplements you can take. The biggest risks are usually buying a low-quality product, using it inconsistently, or expecting it to do things it can't (like build muscle without training). Used correctly, it's a small, reliable edge — not a transformation.