Nutrisystem, headquartered in Fort Washington, Pennsylvania, is a commercial provider of weight loss products and services. Initially, the company offered weight loss counseling and products in brick and mortar centers. In 1999, the company moved to a direct-to-consumer business model, selling its products and programs on the Internet and through a call center via 1-800 numbers. Nutrisystem’s programs have been sold on the QVC television home shopping network since 2001 and in Costco stores since 2009. The company entered the retail arena in 2012 with the launch of its "Everyday" line of breakfast and snack items in Kroger grocery stores.

Read more about Nutrisystem:  Products, Cost, Maintenance of Weight Loss

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Nutrisystem - Maintenance of Weight Loss
... Reviews of the Nutrisystem program criticize the company’s approach as not conducive to long-term weight control ... because they were not addressed on the plan." In response to concerns such as these, Nutrisystem began offering “transition” plans in 2011 ...