I'm on Ephedrine Sulphate, (bronkaid), 200mg caffeine, & 81mg aspirin, plus 2mg of Ketotifen nightly to keep the receptors clean. I've stacked this with Stacker 3's, the new versions of Alpha T2 & OxyElite Pro, & the old versions with dmaa/1,3-Dimeth in them. Since the ECA stack does work well...