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What is Week 1 on Nutrisystem?

Week 1 on Nutrisystem is designed to reboot your body and kickstart your weight loss.* It is specially designed for results you can see (and feel) in your first 7 days! This first week includes meals, snacks, and shakes each day (first order only).

week 1 Nutrisystem pamphlet
Look for this Week 1 pamphlet in your first order to get started.

Check out the week one sample menu here! >

You will receive a specially designed Week 1 pamphlet to help maximize your results. During your first week, you will eat Nutrisystem® breakfasts, lunches, dinners, and snacks for all 7 days. You will receive 7 Nutrisystem® shakes to use as your morning snack during this first week. These are packed with protein and probiotics to support digestive health and help shrink your belly as part of a balanced diet and healthy lifestyle.

Once you’ve completed your first week, you’ll enjoy Nutrisystem® meals and snacks, plus grocery items like PowerFuels, SmartCarbs and veggies. You’ll also incorporate Flex meals and snacks throughout the week. Information about week 2 and beyond can be found in your Quick Start Guide included in your box, as well as in the NuMi® app.

Looking to lose weight fast? Lose up to 18 pounds and 10 inches in your first two months with Nutrisystem!** Click here to get started! >

Click here for more weight loss FAQs >

*In a study, avg weight loss was 5.4 lbs in the first week. The avg weight for the study participants was 207.3 lbs. Results vary based on starting weight and program adherence.

*IMPORTANT INFORMATION: Continuing this reduced calorie meal plan for more than one week in any consecutive four-week period may lead to health complications and is not recommended. If you have diabetes, are under 18 years of age, are pregnant or a nursing mother, or are following a specialized diet for health issues, you may not use this meal plan. Please consult with your physician before beginning Your First Week on Nutrisystem or any other weight loss program. Please be sure to eat all of the food that’s recommended for this program. Failure to follow the program protocol and eat all recommended food may result in developing health complications.

**In a study on the standard Nutrisystem plan, avg weight loss was 15.4 lbs and 9.8 inches in the first two months.