B12, and pretty much most of the additives in energy drinks designed to help push energy into concentration... Maybe a good handful of nutropics, but most are

B12, and pretty much most of the additives in energy drinks designed to help push energy into concentration... Maybe a good handful of nutropics, but most are anecdotal or don't work for everyone. Good vitamin regime ie D if you don't get enough sun, C if you don't get enough fruit and veg and so on ...