Medifast, Inc. (Medifast) is engaged in the production, distribution and sale of weight loss, weight management and healthy living products, and other consumable health and diet products. The Company operates through its subsidiaries, Jason Pharmaceuticals, Inc., Take Shape For Life, Inc., Jason Enterprises, Inc., Medifast Franchise Systems (MFSI), Inc., Jason Properties, LLC, Medifast Nutrition, Inc. and Seven Crondall, LLC. Its product lines include weight loss, weight management, and healthy living meal replacements, snacks, hydration products and vitamins. It provides weight loss, weight management and healthy living products and programs through multiple channels of distribution: direct to consumer channel through its Website and in-house call centers; Take Shape For Life; Franchise Medifast Weight Control Centers, and a national network of physicians. It offers its products under the Medifast, Thrive by Medifast, Optimal Health by Take Shape For Life and Essential 1 brands.