FORT WASHINGTON, Pa.--(BUSINESS WIRE)--Nutrisystem (NASDAQ: NTRI), a leading provider of weight management products and services, announced today the introduction of a multi-channel online customer experience. The Company has made updates to its customer account portal as well as launched an all-new content site, The Leaf. Additionally, the NuMi app is fully integrated. “We’re excited about the changes we have made to our online customer experience,” says Steve Mikulak, Vice President of Custom