Creatine is everywhere. What does science actually say?
But are the claims around this classic supplement actually based in real science?
Key points
- It's not only healthy for you, but it may also shape the very essence of your identity.
- When you're bored, the brain goes into default mode network.
- Doing nothing might be the ultimate brain hack.
We dug into the research on creatine, from the muscles to the mind, and spoke with exercise scientist Nick Tiller and associate professor Matthew Taylor, whose team at the University of Kansas studied creatine’s effects on people with Alzheimer’s disease.
And when it comes to your brain, is there real evidence behind the claims about memory, mood, and Alzheimer’s, or is the hype getting ahead of the science?
Additional details
- So what is creatine actually doing in your body?
- For decades, creatine has been sold to fitness buffs, as a way to build more muscle, faster.
- Now it’s being pitched to almost everyone, with influencers, podcasters, and celebrity doctors claiming it can sharpen your mind, lift your mood, offset sleep deprivation, and even reverse the effects of Alzheimer’s disease.
- And these wellness claims are driving a real surge in profit — US sales topped half a billion dollars in 2025.
- Will it really help you build muscle, or are those dramatic before-and-after photos telling a different story?
How this summary was made: extractive summary — built from the sources' own reporting. It is drawn only from the reporting of the sources listed below — read the originals for full detail. How we summarize →
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