Perfect for discriminating tastes, this package offers everything you love about NutriSystem--and nothing you don't! The customized meal plan allows you to choose each and every food you get--just click on the Add to Shopping Cart button to begin creating your customized plan. 14-day supply. From Nutrisystem. The Nutrisystem plan should be combined with a sensible exercise program, as well as the Recommended Daily Allowances of fruits and vegetables. As always, please consult your personal physician before beginning any diet or exercise program. Click on the Important icon above for details, restrictions, and recommendations.