i tried it twice.....cost me $25 bucks the first time, it felt like taking 2 or 3 aphedra pills, about it, lasted about 10 min if that....i thought it sucked....so the dude i was with said man try it again, so stupid as i em i tried again for another $25 bucks to see if it gave a better buzz....NOPE! same thing, so i ave spent the last 3 years of my life tring to find the best buzz...HAHA!!! j/k i tride it 2 different times, both times it was stupid, no better than a Ephedrin buzz, not worth that much money by a far, and i would rather pop a few ephedrin pills any day of the weeks, the stuff is shit, never tried it again...never will...