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Clinically-proven weight loss.
Without the clinic.

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iDiet podcast episode with Lee Busch coach

iDiet's latest on a podcast

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First Lesson Free

high fiber cereal

Free bonus high-fiber no-bake brownie bites dessert recipe

high fiber cereal

Dietary fiber: A ‘magic bullet’ for healthy weight management

Recent Science Updates 9-2020

Recent Science Updates

3 health factors fiber, vegetables, exercise

Are you eating your veggies?

learning from covid weight gain data

Learning from the Data on COVID Weight Gain

Free Webinar - Saturday June 6, 2020

Obesity and COVID-19

Free Webinar Replay: Healthy eating and food safety

Healthy Weight Management in the Age of Coronavirus

Key findings: SciAm article part 1 of 3

Key findings: SciAm article part 1 of 3

Key findings: SciAm article part 1 of 3

Key findings: SciAm article part 2 of 3

Key findings: SciAm article part 1 of 3

Key findings: SciAm article part 3 of 3

First Lesson Free

Read: Scientifically Slim

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Costa Rican Black Bean Soup

An easy, filling, high fiber recipe. 

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Choose the program that’s right for you. 

“Perhaps the most comprehensive approach to eating for effective weight control.”

— Jane E Brody, The New York Times

Free Cookbook

Yes! I want to receive a 38-page cookbook, and be informed of upcoming classes. No obligation, instant download.

We respect your privacy and will not rent, sell, or give your information to any third party.

iDiet Delivers

While other diets overpromise, the iDiet is clinically proven to deliver an average weight loss of 25 pounds in 18 weeks. That’s 2 ½ times higher than other programs.

State-Of-The-Art Science

Incorporating the best nutrition, psychology and neurobiology findings, our groundbreaking meal plans address your basic hard-wired food instincts and help reprogram a lifetime of eating habits.

Stay Full

Our unique meal plans keep you feeling full and satisfied. You’ll be hunger-free while losing weight and enjoying foods you love.

Eat Delicious

iDieters rave about our fantastic no-cook meals and delicious yet easy recipes. You’ll enjoy a wide variety of mouth-watering foods, including old favorites such as chicken parm, burgers and chocolate desserts.

Sustain Your Results

We incorporate life-changing psychology and neurobiology for unprecedented success. You’ll develop natural control over food choices, reducing temptation, eliminating both cravings and emotional eating.

Relax

Attend online meetings, choose what you want to eat from the simple meal plans, enjoy, and repeat. Our powerful science and behavioral help are built into customized EasyPlan menus, plus simple effective strategies for every daily challenge.

Two Convenient Weekly Options

Take prerecorded video classes, or attend live online group meetings.

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What Do I Get?

With the iDiet, you’ll receive an extraordinary level of education and support. Our diet plan and certified Group Leaders will help you achieve your weight loss goals and learn to avoid weight regain… once and for all. Our group process is enhanced by our unique iDiet Meal EasyPlans as well as online tools like our Weight Tracker, Food Journal, original iDiet Recipes and iPhone app.

You’ll receive:

  • Supportive, small-group online meetings (with no more than 15 participants)
  • Advanced nutrition education
  • Food plans and your choice of daily menus
  • Both no-cook meal suggestions and delicious, easy iDiet recipes
  • Meal options for everyone, whether you eat meat, are vegetarian, vegan or eat gluten-free
  • Help overcoming plateaus and challenges
  • Personal support and guidance from your Certified iDiet Group Leader
  • Online Tools: Weight Tracker and Community Forum
  • Daily Menu Planners
  • iPhone app
  • Bonus holiday recipes to lose weight while celebrating

iDiet iPhone AppAll iDiet groups also get access to our new iPhone app for weight logging and food journaling. Log your meals privately or share them for more support.

Learn More About the iDiet

Meet Dr. Roberts

landing_meet dr robertsCreated by Susan Roberts, PhD, of Tufts University, the iDiet is based on advanced clinical research and helps dieters change their total approach to food, without hunger and without deprivation.
landing_book the i dietDr. Roberts, author of the groundbreaking book The “I” Diet and more than 200 clinical studies on nutrition and weight loss, decided she had to become a “diet doctor” because she had discovered the secret to lifelong weight loss…and lives transformed.
Dr. Roberts has collapsed her advanced nutrition science down into simple, doable, delicious menus. To succeed on the iDiet, all you have to do is follow the menus. And because Dr. Roberts worked as a chef before her career as a scientist, her iDiet recipes are delicious.

Discover Group-based Weight Loss That’s Hunger-Free and Works!

If you are tired of dieting and are looking for lasting change, join us. Once and for all, get power over food, lose more weight without hunger or giving up foods you love, and maintain your new healthy weight without struggle. Lose weight at the maximum healthy rate, and keep it off without effort. Make better food choices and crave healthier foods. iDiet doesn’t rely on willpower or deprivation, but rather on science-based real-food meals that keep you full and satisfied, coupled with comprehensive education for habit change, and friendly group support to keep you motivated while you learn.

iDiet fMRI brain scans

fMRI scans actually show the reward centers of the brains of iDiet participants craving healthy foods over junk foods. (Deckersbach et al. Nutrition & Diabetes(2014) 4, e129)

Register Today

Choose the program that’s right for you.