i usually take the otc ephedra supplements like stackers 2 or 3, but during a football tourney this wkend a bro of mine gave me 3 pills of what he called and eca stack. hes a fast talkin mumbler so i didnt understand what he said the pills were. ****, i was wired for a good 4 hrs can any of u bros tell me what the hell he gave me. all i know is it came out of 2 different bottles.