The group's principal activity is to manufacture, distribute and sell weight and disease management products and other consumable health and diet products. The products of the group include weight and disease management, meal replacement and sports nutrition products. These products are sold through physicians, supported by the Internet, diet centers and other licensed, qualified medical practitioners including qualified health advisors. The group offers a variety of products under the brand name medifast(R) and for select private label customers. Medifast(R) products are being used in clinical studies conducted by the U.S. Government and major hospitals.