Protein, creatine, taurine (varying doses for different things) pure maltodextrin (when I am not too lazy) ALA (post workout only, and no more than 600mg) I used to use:
CLA, ALA, ALCAR, GT, Rhodiola rosea, chocamine, Taurine, idebenone (still do sometimes), maltodextrin, yo, vinpocetiene, piracetam