ephedra free blows, im using xantrax 3 now and its not doing a damn thing. i loved stacker 2 cause it was like being on speed. i had energy from 8am till 10 pm.
i just picked up
http://www.bodybuilding.com/store/cyt/nrg.html
this place has the best prices and reviews your gonna find (probably), they also have a forum for you to ask questions and read reviews.
http://www.bodybuilding.com/store/index.html