Medifast, Inc. is engaged in the production, distribution, and sale of weight management and disease management products and other consumable health and diet products. The Company�s product lines include weight loss and management, meal replacement, and vitamins. The Company�s operations are primarily conducted through its wholly owned subsidiaries: Jason Pharmaceuticals, Inc, Take Shape for Life, Inc., Jason Enterprises, Inc., Jason Properties, LLC, Medifast Franchise Systems, Medifast Nutrition, Inc. and Seven Crondall, LLC. The Company offers a variety of weight and disease management products under the Medifast and Essential brands. The Company operates in two segments including Medifast segment, which consists of the sames from Medifast Direct Marketing and Take Shape For Life and the MWCC and Wholesale segment, which consists of the sales of Medifast Corporate and Franchise Weight Control Centers as well as Medifast Wholesale Physicians and international sales.