4 Day Diet By Dr. Ian Smith Review

Editor's Review: 3.5 / 5.0

What You Should Know

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The 4 Day Diet by Dr. Ian Smith is a revolutionary book that breaks down different stages of a diet plan into 4-day blocks. The idea is to keep dieting manageable while allowing the dieter complete freedom to choose how they want to eat to lose weight. The first two stages must be completed before the remaining five stages. The five latter stages are interchangeable, though the dieter may want to follow the 4 Day Diet by Dr. Ian Smith as written for best results.

List of Ingredients

Diet plan with seven stages broken into 4-day blocks.

Product Features

We found the 4 Day Diet by Dr. Ian Smith listed on several websites for sale. Many have a detailed description of the diet stages, but no information on the foods allowed during each stage. There are seven stages on the 4 Day Diet by Dr. Ian Smith. Each stage lasts 4 days before the dieter can move on to the next stage. The stages are Induction, Transition, Protein Stretch, Smooth, Push, Pace and Vigorous.

The Induction phase detoxes and cleanses the body. Transition allows the dieter to introduce whole foods. Protein Stretch keeps weight loss moving and prevents a plateau. Smooth is a relaxation time when the dieter can enjoy some forbidden treats. Push is a jump back to a strict diet with aim at increasing weight loss. Pace allows the dieter to slowly maintain a healthy diet without so much restriction. Vigorous is the final stage when dieters have only a few pounds to reach their goal weight.

We did find a reference to the Induction stage of the 4 Day Diet by Dr. Ian Smith. It seems foods like brown rice, fruits, vegetables and yogurt are allowed during the four day stretch.

The 4 Day Diet by Dr. Ian Smith sells for $14.13 on Amazon.com. Other websites may sell the diet book for less.

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  • Information in the book is presented in fast changing modules.
  • Dieters may enjoy choosing which phases to repeat throughout weight loss.
  • The price is lower than most diet books.


  • Appetite may be a problem during the strict phases of the diet.
  • Some dieters may stick to the Smooth module to continue eating bad foods.


With seven possible stages the dieter can pick and choose from, the 4 Day Diet by Dr. Ian Smith brings light to a once boring topic, dieting. Many diets force the dieter to eat the same foods over and over again. Instead of following just one diet, the 4 Day Diet changes every four days, so the dieter is never bored. We like this idea and believe it would go nicely with a proven fat burner.

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Editor: Paul Blake

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One User Review about 4 Day Diet By Dr. Ian Smith

  • 1
    Karen Fisher

    Dr. Smith,
    I, Karen Fisher, really need your help. I can diet on my own. I have tried time after time with out really losing a pound. Can you please help me?