Last week, we initiated a pilot study examining the effects of a 4-week supplementation regimen using a creatine-GAA combination (CreGAAtine™) among male e-sports players. Our study aims to assess how this intervention impacts creatine turnover, cognitive parameters, and gaming performance in twelve experienced players. This experiment is a part of the PhD studies for Bogdan Andjelic, our lab assistant, and contributes to our ongoing research program focused on exploring brain metabolism involving creatine under different conditions.