What is 7 in 7 on Nutrisystem? A Complete Guide
                                
                                
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                                    5 min read                                
                            
                                According to research and Nutrisystem's own findings, early weight loss is a key predictor of long-term success. The 7 in 7 on Nutrisystem is a specially designed, low-calorie, high-protein week created to provide that initial motivation by helping you lose up to 7 pounds in your first seven days.