I take 200mg in the morning and feel so far so good. After an hour of taking my second pill in the evening (@ 6p.m.) I feel like Im on speed (for say).Sharp uncomfortable pain in my head accure seconds at a time and dont stop.It seems to be making my anxiety worse also with crazy thoughts that something bad is going to happen.Worst of all I cant sleep at night from these pills!!! Ifeel like Im having a brain anurysum . . .