ephedra-free fat burner came about when the United States Food and Drugs Andministration or FDA banned the sale of Ephedra-containing dietary supplements due to evidences of adverse ephedra related effects.  Although it was believed that you can lose as much as 0.9kg/month (it is not proven that you will be able to keep it off though), ephedra was banned for it’s side effects which includes severe skin reactions, irritability, nervousness, dizziness, trembling, headache, insomia, profuse perspiration, dehydration, itchy scalp and skin, vomiting, hyperthermia, irregular heartbeat, seizure, heart attack, stroke, or even death.