FORT WASHINGTON, Pa.--(BUSINESS WIRE)--Nutrisystem, Inc. (NASDAQ: NTRI), a leading provider of weight management products and services, today reported that the Company achieved its previously provided revenue, adjusted EBITDA and earnings per share guidance for the fourth quarter and 2014 fiscal year and provided an outlook for 2015. Dawn Zier, President and Chief Executive Officer, stated, “I am pleased we have delivered six consecutive quarters of year-over-year revenue growth. Our strong res