that stuff's fucking awful for you--tachycardia-heart go boom!
they've all got some "natural" alkaloids that basically break down into some approximation of ephedrine or some other shitty stimulant, you're almost better off doing tweak if you really need CNS stimulation without all the nasty cardiotoxic crap diet pills, etc put your ticker through.
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"She has no waist, no arse...an interesting face...but all we are really worshipping is two bags of silicone"
Martin Amis "honoring" katie price with a character bearing some of her traits