“Creatine causes hair loss.”
Moderate confidence against the general claim, based on one direct but small and short randomized trial. A nonsignificant finding is not a lifetime guarantee.
Current direct evidence does not support the hair-loss claim. One small randomized trial found no detectable difference in hair measures or DHT after 12 weeks of 5 g/day creatine in young men. That does not settle effects over years or in everyone.
The direct hair trial tested 5 g/day for 12 weeks; larger doses and years of use were not evaluated.
Safety note: Standard creatine doses are well studied in healthy adults, but evidence is thinner in pregnancy and in people with significant kidney disease.
Talk to a healthcare professional if: If you have kidney disease, are pregnant, or take medicines that affect kidney function, ask a clinician before using creatine.
Current evidence does not support avoiding creatine because of hair-loss fears, though long-term data are still limited.
If you notice new hair loss, seek an assessment rather than assuming creatine is the cause.
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