OWINGS MILLS, Md., July 31, 2013 /PRNewswire/ -- Medifast, Inc. (NYSE: MED), a leading United States manufacturer and provider of clinically proven portion-controlled weight-loss products and programs, announced today that Michael C. MacDonald, Chairman and Chief Executive Officer and Margaret Sheetz, President and Chief Operating Officer will present at the Canaccord Annual Growth Conference on Wednesday, August 14, 2013 in Boston, MA. (Logo: http://photos.prnewswire.com/prnh/20120613/NE24271LOGO-b ) The presentation is scheduled to begin at 3:00 pm ET. The call will be broadcast live over the Internet hosted at the Investor Relations section of Medifast's website at www.medifastnow.com, and will be archived online through Wednesday, August 28, 2013. About Medifast Medifast (NYSE: MED) is the leading easy-to-use, clinically proven, portion-controlled weight-loss program. The company sells its products and programs via four unique distribution channels: 1) the web and national call centers, 2) the Take Shape For Life personal coaching division, 3) Medifast Weight Control Centers, and 4) a national network of physicians. Medifast was founded in 1980 and is located in Owings Mills, Maryland. For more information, log onto www.MedifastNow.com. MED-F SOURCE Medifast, Inc.