I just tried it last weekend. I gotta say, I didn't feel much different other than awake enough to work and I feel I could have gotten the same result from drinking a lot of coffee (maybe because I only took one 40mg pill and when I looked in the capsule a bit of the powder fell out). Maybe I should have taken 2 at once. It didn't seem as pronounced and wasn't nearly as euphoric as Adderall, but it did make me grind like teeth like crazy and keep me from sleeping that night. It was as if I was getting all the negative side-effects you'd expect to get from stimulants without the eye-opening euphoria and surge of energy when it kicks in. At least I was just looking to fight exhaustion for a night job and not seeking a high, or else I would've been thoroughly disappointed. Maybe I'm just too far gone in my morphine habit that nothing else really effects me anymore. I can't help but wonder, if it was the other way around, would a stimulant user receive little to no effect if they were to take an industrial strength opiate like morphine? Also, I've always had a high tolerance to alcohol but weed doesn't effect me at all now it seems (no matter how much I smoke in 1 sitting). Its a damn shame too, because I love weed. It use to be all I needed...then opiates happened. I should have done something about it a decade ago before it became a problem. Oh well. Shoulda, coulda, woulda.