Its almost my story after i turnd 40 have buseniss, more than avrage IQ , in my case Gaba was good small effect , 5htp good , vitamin D I think it has some roll (do test) and my spcial advice for you is something i just trayied for last tow weeks its save and wonderful Piracetam i tried less than one gram and i reterned to the cool guy i know before i decid to try all other kinds of Racetam family and choline as fule i think you are familiar with Piracetam in USA kids take it i