Food and Drug Administration Commissioner Dr. Margaret Hamburg in a photo taken last May. Hamburg, who has been in the top FDA job for nearly six years, will reportedly step down.
J. David Ake/AP
Even versions of Zi Xiu Tang Bee Pollen labeled "genuine" and "anti-counterfeit" have been found to contain the drug sibutramine, which was supposed to come off the U.S. market in 2010 for safety reasons.
Food and Drug Administration