Tivity Health, Inc. provides fitness, nutrition, and social connection solutions. It operates through two segments: Healthcare and Nutrition. The Healthcare segment consists of SilverSneakers senior fitness, Prime Fitness and WholeHealth Living. The Nutrition segment provides weight management products and services and consists of Nutrisystem and South Beach Diet. The company was founded by Robert E. Stone and Thomas G. Cigarran in 1981 and is headquartered in Franklin, TN.