I have little bags with carefully measured out DMAA in my cupboard, I had only used it once and it didnt do much, I took some last saturday sat down on the computer and about 10mins later it kicked in, within half an hour I was pacing the hallway, with a Hr moniter on because I felt like I was going to explode, I have taken speed that has had less affect than this did, lasted like 4hrs, i couldnt workout I was to concerned about dying, lol, clearly I must of mucked up a measurement somewere, but that stuff cannot be compared to any other supplement, it is in a league of its own, not sure if you could lift heavyer on it but i can guarantee you will not fade out, I can see why it is beeing banned, it would make one hell of a party drug, Last time i take the stuff