The Summary
Researchers evaluated 29 healthy, sleep-deprived adults over 21 hours to see if a single dose of creatine (0.2 g/kg) could combat mental fatigue. After receiving either creatine monohydrate or a placebo, participants completed cognitive tests at 3, 5.5, and 7.5 hours. The creatine group showed up to a 12% improvement in logical thinking, mathematical tasks, processing speed, and reaction times compared to the placebo group. Notably, female participants experienced even greater cognitive benefits in logic and reaction speed.
Why this is interesting
While creatine is widely celebrated for building muscle, we are increasingly learning about its profound effects on brain health. Previously, scientists believed only high doses could mitigate the cognitive toll of sleep loss. This study proves that a lower, more practical dose still provides a powerful shield against brain fog. For anyone facing an all-nighter or a demanding, sleep-deprived workday, a simple serving of creatine could offer a safe, accessible way to keep your mind sharp and reaction times fast when you need it most.