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BACKGROUND
12 Months Ended
Dec. 31, 2017
Background [Abstract]  
Background

1.

BACKGROUND

Nature of the Business

Nutrisystem, Inc. (the “Company” or “Nutrisystem”) is a provider of weight management products and services, including nutritionally balanced weight loss programs sold primarily online and over the telephone and multi-day kits and single items available at select retail locations. The weight loss programs are designed for women and men. Additionally, the Nutrisystem® D® program is designed specifically to help people with Type 2 diabetes or at risk for Type 2 diabetes who want to lose weight and manage their diabetes. The Nutrisystem® programs are based on over 45 years of nutrition research. The Company’s pre-packaged foods are sold directly to weight loss program participants primarily through the Internet and telephone (including the redemption of prepaid gift cards), referred to as the direct channel, through QVC, a television shopping network, and select retailers. Approximately 99% of revenue for each of the years ended December 31, 2017, 2016 and 2015 was generated in the United States.