Download the PDF Dietary supplements are unregulated, some are unsafe—and Americans can't get enough of them.
by Michael Specter
One day last September, as Britney Spears was about to board a flight to Los Angeles from London, a rectangular blue bottle fell out of her purse. She quickly stuffed it back in, but not before the paparazzi recorded the event. Neither Spears nor her spokesman was willing to comment on the contents of the bottle, but the next morning London's Daily Express published a page of pictures under the headline "exclusive: pop princess spotted at airport with pot of slimming tablets." Spears was apparently carrying Zantrex-3, one of the most popular weight-loss supplements currently sold in the United States. Read more »