Were you looking for information about Ephedra? Efedra is a common misspelling of ephedra.
Although ephedra (ma huang) is a naturally occurring substance, it does have potentially dangerous side effects (such as heart attacks, strokes, or seizures). Because of these safety concerns, the FDA banned ephedra from being manufactured and sold in the United States. However, ephedra is sold over the Internet by online retailers operating in foreign companies or by local companies that are making ephedra illegally.
(To read the full eMedTV article on this weight loss pill, click Ephedra. Among the topics covered in this article are how ephedra works, potential risks associated with the drug, and what to do in the case of an overdose.)