Mastering Diabetes: The Revolutionary Method to Reverse Insulin Resistance Permanently in Type 1, Type 1.5, Type 2, Prediabetes, and Gestational Diabetes

Mastering Diabetes: The Revolutionary Method to Reverse Insulin Resistance Permanently in Type 1, Type 1.5, Type 2, Prediabetes, and Gestational Diabetes

by Cyrus Khambatta PhD

4.6 (4,443)

4.6 stars from 4,443 reviews. Top 56% of Nonfiction books we track.


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Last checked: Jun 12, 2026

Price history: $1.99 $14.99

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Perfect for you if...

  • You have type 1, type 2, prediabetes, or gestational diabetes and want to reduce medication and insulin without restrictive dieting.
  • You've tried low-carb approaches and want to understand why a plant-based whole-food diet might work better for long-term health.
  • You're looking for a science-backed method with practical meal plans, recipes, and advice for real-life eating situations.

Maybe not for you if...

  • You're ideologically committed to keto or low-carb approaches and aren't open to evidence suggesting otherwise.
  • You prefer quick fixes over understanding the metabolic roots of your condition.
  • You need a book that minimises carbohydrate discussion, as this approach centres on eating carbs strategically.

About this book

Cyrus Khambatta, PhD, and Robby Barbaro, MPH, present a method for managing all types of diabetes by reversing insulin resistance. They challenge the conventional medical recommendation of a low-carbohydrate, high-fat diet, arguing that while it may provide short-term blood glucose control, it increases long-term risk for chronic diseases including cancer, high blood pressure, high cholesterol, chronic kidney disease, and fatty liver disease. The authors advocate instead for a low-fat plant-based whole-food diet as the most effective approach to reverse insulin resistance across type 1, type 1.5, type 2, prediabetes, and gestational diabetes. Drawing on over 800 scientific references and more than 36 years of combined personal experience with type 1 diabetes, they provide a step-by-step plan to reduce insulin resistance while improving overall health. The book includes guidance on eating carbohydrate-rich whole foods like bananas, potatoes, and quinoa while decreasing blood glucose levels and medication requirements. It also covers intermittent fasting, daily exercise, and strategies for eating in challenging situations. The book contains over 30 recipes and addresses insulin sensitivity, body weight management, digestive health, and energy levels.

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Price History

Kindle price over time. Green zones = periods when the book was free.

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Free$7.50$14.99Mar '20Apr '22Mar '24Jan '26
$1.99$14.99

Currently on sale at $1.99 — 87% off peak. Price has dropped 10 times over the last 6 years. Goes on sale roughly every 211 days.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

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#34#119,111#238,187Aug '19Mar '22Sep '23Jun '26

Currently around #15K in the Kindle store — a steady mid-list seller. Sales have softened 24% recently.

Rating & Reviews

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4.0★4.5★5.0★May '23Dec '23Aug '24May '26RatingReviews

Currently 4.6★ from 4,443 reviews

Gaining approximately 22 new reviews per month. Steady word of mouth growth. Rating has remained stable at 4.6 over the tracking period.

Sale Prediction

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Free$7.50$14.99Mar '20Apr '22Mar '24Jan '26PredictedJun '26

Actual Predicted

This book is currently discounted at $1.99. It typically returns to around $14.99.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.

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Cyrus Khambatta PhD

1 book on Vagrant Press

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