UPDATE 1-U.S. FBI conducting a probe into Herbalife -sources
April 11, 2014 at 18:09 PM EDT
NEW YORK/BOSTON, April 11 (Reuters) - The U.S. Federal Bureau of Investigation is probing Herbalife Ltd, the nutrition and weight loss company that hedge fund manager William Ackman has called a pyramid scheme, sources familiar with the investigation said on Friday.