Medifast, Inc., through its subsidiaries, engages in the production, distribution, and sale of weight loss and weight management products, and other consumable health and diet products. The company operates through two segments, Medifast, and Medifast Weight Control Centers and Wholesale. Its product lines include weight loss and management, meal replacement, and vitamins. The company offers crunch bars, shakes, hot drinks, cold drinks, bites, pretzels, puffs, brownies, soft bakes, cereal crunches, eggs, macaroni and cheese, oatmeal, pancakes, syrups, puddings, soft serves, soups, chili, soy crisps, crackers, and digestive health products under Medifast and Essential 1 brands, as well as for private label customers. It also operates and franchises Medifast weight control centers that offer programs for weight loss and maintenance, customized patient counseling, Inbody composition analysis, and monitoring with a BodyGem resting metabolic rate measurement device. As of December 31, 2012, Medifast, Inc. operated weight control centers in 87 locations in Pennsylvania, New Jersey, Delaware, Texas, Florida, Maryland, North Carolina, and Virginia; and 35 franchise centers. The company sells its products through various channels of distribution comprising the Internet, call center, independent health advisors, medical professionals, weight loss clinics, and direct consumer marketing. Medifast, Inc. was founded in 1980 and is headquartered in Owings Mills, Maryland.