i m taking 500 mg ephedrine with some energy drink and koffe but strong with 4 spoons of koffie,sory my english is not so well.and when i take that all my hart steel ticking normaly 85,90 per minute but i feel rush,energu wery good mood for talking itd a take that et 9 in morning because of sleaping ok sometimes a cant sllep and must take rivotril clozapin but just sometimes,i wudnt recomande to take such large dose et start you must begin with 20,25 and slowly rize up i m taking 500 mg after 6 month,this is not advertisement for ephedrine if you can with out its the bet fot you.BOBO FROM SERBIA