GAA Brain Booster? The 6-Week Trial Result Is Complicated
GAA, the creatine precursor sold as a brain booster, just got its first serious human test. In a six-week, double-blind trial of 58 healthy adults, it produced some faster reaction times and a scattering of mood and stress signals. Most cognitive tests, however, showed nothing, and many of the headline results were only trends. Safety markers looked fine, but the study was small, exploratory, and had no creatine-only comparison group. Here is what it really shows, who it might suit, and why the verdict is mixed.
One 0.35 g/kg Creatine Dose Fought Sleep-Loss Brain Fog in Hours
Creatine is the most trusted supplement in the gym, but a 2024 study suggests it may also fight sleep-deprivation brain fog within hours. In the study, a single 0.35 g/kg dose, roughly 25-28 g for most adults, changed brain energy markers, prevented a drop in brain pH and improved cognitive performance and processing speed during 21 hours without sleep. That's about five times a normal 3-5 g daily dose, and the study was small and lab-based. GI upset is a real possibility, and nobody tested repeated mega-dosing. Here's what the research really shows, and why you shouldn't change your daily routine yet.