Item 7.01 Regulation FD Disclosure

The following information is furnished under "Item 7.01. Regulation FD Disclosure" and "Item 2.02. Disclosure of Results of Operations and Financial Condition."

On December 16, 2008 Medifast, Inc. ("Medifast") issued a press release updating Medifast's full-year 2008 revenue guidance. A copy of Medifast's press release is attached hereto as Exhibit 99.1 and hereby incorporated by reference.

Item 9.01 Exhibits

Exhibits pursuant to Item 7.01

99.1 Press release dated December 16, 2008, updating 2008 revenue guidance

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