hell i liked UO so well when it got to the point u couldnt buy it anymore i quit training for a while lol then i tried to make my own, 2 ephedra 25 mg crushed, 2 caffine 200 mg crushed ,1 asprin 325 mg crushed , 1 scoop of TANG , 8 ounces tap water stir like hell swallow in one drink cause it tasted worse than the real OU, but the kick was close