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The Diabetes Code: Prevent and Reverse Type 2 Diabetes Naturally (The Code Series) Kindle Edition

4.7 4.7 out of 5 stars 14,329 ratings

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FROM NEW YORK TIMES BESTSELLING AUTHOR DR. JASON FUNG • “The doctor who invented intermittent fasting.” —The Daily Mail

“Dr. Fung reveals how [type 2 diabetes] can be prevented and also reversed using natural dietary methods instead of medications … This is an important and timely book. Highly recommended.” —Dr. Mark Hyman, author of The Pegan Diet

“Dr. Jason Fung has done it again. … Get this book!” —Dr. Steven R. Gundry, author of The Plant Paradox

Everything you believe about treating type 2 diabetes is wrong. Today, most doctors, dietitians, and even diabetes specialists consider type 2 diabetes to be a chronic and progressive disease—a life sentence with no possibility of parole. But the truth, as Dr. Fung reveals in this groundbreaking book, is that type 2 diabetes is reversible.

Writing with clear, persuasive language, Dr. Fung explains why conventional treatments that rely on insulin or other blood-glucose-lowering drugs can actually exacerbate the problem, leading to significant weight gain and even heart disease. The only way to treat type 2 diabetes effectively, he argues, is proper dieting and intermittent fasting—not medication.

The Diabetes Code is unabashedly provocative yet practical ... a clear blueprint for everyone to take control of their blood sugar, their health, and their lives.”—Dr. Will Cole, author of Intuitive Fasting


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Editorial Reviews

Review

“The methods described by Fung should be taught to medical students and residents, and used in family medicine offices as part of a lifestyle approach to promoting health.”
—Family Medicine Journal

The Diabetes Code explores in detail the origins of type 2 diabetes. By understanding the underlying cause of the disease, Dr. Fung reveals how it can be prevented and also reversed using natural dietary methods instead of medications. Given the worldwide epidemic of type 2 diabetes in both adults and children, this is an important and timely book. Highly recommended.”
—Mark Hyman, MD, Director, Cleveland Clinic Center for Functional Medicine, New York Times bestselling author of Food: What the Heck Should I Eat?

“[Jason Fung] has a gift for explaining complex science clearly and delivering it with the perfect, telling anecdote.”
—Nina Teicholz, author of The Big Fat Surprise

“Dr. Jason Fung has done it again. In easy to follow, simple steps and rules, Dr. Fung gives you the tools to rid yourself of Diabetes forever. Get this book!”
—Steven R Gundry MD, author of The Plant Paradox

“In this terrific and hopeful book Dr. Fung teaches you everything you need to know about how to reverse type 2 diabetes. It could change the world.”
—Dr. Andreas Eenfeldt, author of Low Carb, High Fat Food Revolution

“With rich scientific support, Dr. Jason Fung has sounded a clarion call to re-evaluate how we view and treat diabetes. Considering that roughly half of all adults worldwide are diabetic or on their way (pre-diabetes), The Diabetes Code is essential reading.”
—Dr. Benjamin Bikman, Professor of Physiology, Brigham Young University

The Diabetes Code is unabashedly provocative yet practical ... a clear blueprint for everyone to take control of their blood sugar, their health, and their lives.”
—Dr. Will Cole, leading functional medicine practitioner and senior clinical director at Cole Natural Health Centers

“Type 2 diabetes can be reversed with the right combination of diet and lifestyle—you can reclaim your health and vitality. Dr. Fung will teach you how.”
—Amy Berger, author of The Alzheimer's Antidote

The Diabetes Code should be on the bookshelf of every physician.”
—Dr. Carrie Diulus, orthopaedic spine surgeon, Medical Director Crystal Clinic Spine Wellness Center

The Diabetes Code clears the fog around Type 2 Diabetes and underscores that for most people, it is preventable or reversible”
—Dr. Karim Khan, editor of the British Journal of Sports Medicine


About the Author

Dr. Jason Fung completed medical school at the University of Toronto and a fellowship in nephrology at the University of California. He founded the Intensive Dietary Management Program in Toronto that provides a unique treatment focus for type 2 diabetes and obesity. Dr. Fung lives in Toronto.

Product details

  • ASIN ‏ : ‎ B0795BLS8D
  • Publisher ‏ : ‎ Greystone Books; 1st edition (April 3, 2018)
  • Publication date ‏ : ‎ April 3, 2018
  • Language ‏ : ‎ English
  • File size ‏ : ‎ 3073 KB
  • Text-to-Speech ‏ : ‎ Enabled
  • Screen Reader ‏ : ‎ Supported
  • Enhanced typesetting ‏ : ‎ Enabled
  • X-Ray ‏ : ‎ Enabled
  • Word Wise ‏ : ‎ Enabled
  • Print length ‏ : ‎ 328 pages
  • Customer Reviews:
    4.7 4.7 out of 5 stars 14,329 ratings

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Customer reviews

4.7 out of 5 stars
14,329 global ratings

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Customers say

Customers find the book provides information on diabetes prevention and healthy habits. They describe it as a fantastic, wonderful, and valuable read that makes sense. The science content is interesting and explained in a straightforward way. Readers mention that the book explains how to reduce blood sugar naturally and why fasting works.

AI-generated from the text of customer reviews

632 customers mention "Diabetes prevention"618 positive14 negative

Customers find the book helpful for preventing diabetes. They say it provides useful information about the disease and healthy habits. The book explains the cause and how to overcome it. It also mentions that diabetes is a dietary disease that can only be reversed by diet changes. Overall, customers find the book informative and easy to read, providing valuable information that could save their lives.

"...how the body works, and how all the food groups work to help our bodies perform properly ,if you are truly wanting to make a change in your life...." Read more

"great book tons of information and easy to understand" Read more

"...Get the excess glucose out of your liver, burn your fat and restore your health...." Read more

"...have no doubt that the information Dr. Fung presents is accurate and lifesaving...." Read more

353 customers mention "Readability"336 positive17 negative

Customers find the book easy to understand and a real breakthrough. They find it refreshing to read and well worth the money.

"...This book is fantastic! We the people have been fooled for a long time ! Do yourself a favor order this book!..." Read more

"great book tons of information and easy to understand" Read more

"...In short, good book, solid science, may be too technical for some, but perfect for the person who wants to understand the whys and what for’s of..." Read more

"...This book is easy to read, a great read, wonderful information, and I can hardly wait to read "how to treat diabetes". #lifechangetoday" Read more

274 customers mention "Ease of reading"235 positive39 negative

Customers find the book easy to read and understand. They appreciate the straightforward message and common sense way of describing complex issues in simple terms. The information is effective and well-researched by a medical professional, not some fad diet book.

"...This book is an easy read describes how the body works, and how all the food groups work to help our bodies perform properly ,if you are truly..." Read more

"great book tons of information and easy to understand" Read more

"...Everything isn’t so difficult and exhausting anymore!..." Read more

"The book is an easy read, and makes so much sense...." Read more

148 customers mention "Science content"124 positive24 negative

Customers appreciate the book's science content. They find the rationale and case studies interesting. The book explains complex issues and ideas in simple terms and examples. Readers appreciate the solid science presented in an interesting and understandable way.

"...This book is an easy read describes how the body works, and how all the food groups work to help our bodies perform properly ,if you are truly..." Read more

"...In short, good book, solid science, may be too technical for some, but perfect for the person who wants to understand the whys and what for’s of..." Read more

"...I am impressed by the rationale and although more evidence would be encouraging, I believe it because of my own experience and what I have witnessed..." Read more

"Intriguing from start to finish! It was nice to finally find out how to completely reverse Type 2 Diabetes for good…..." Read more

59 customers mention "Blood sugar"59 positive0 negative

Customers are satisfied with the book's blood sugar advice. They say it explains how to reduce blood sugar naturally and why it's better. The book explains what glucose and carbs do to the body, and the effects on organs. It helps them get excess glucose out of their liver, burn fat, and restore their health.

"...Get the excess glucose out of your liver, burn your fat and restore your health...." Read more

"...Low Carb/High (healthy)Fat clean eating and IF seems to be the prescription here...." Read more

"...before even finishing the book and have already seen results in my glucose numbers within a week! I told my doctor of the book & my plans...." Read more

"...All three diets have One thing in common. No CARBS, Little Sugar and they work at pulling off the weight and getting people on track to a healthier..." Read more

54 customers mention "Weight loss"54 positive0 negative

Customers like the weight loss. Reviewers say they lose a lot of weight, especially after 1 year. They mention the low sugar and low carb diet works at pulling off the weight and getting people on track. Diabetes can progress if weight loss is not managed.

"...myself (a little more rigorously than he has) and I've dropped 20 lbs in 2 months and have way more energy than I did before...." Read more

"...Since following the suggested protocol, I have lost more weight in four weeks than I have in twenty years." Read more

"...No CARBS, Little Sugar and they work at pulling off the weight and getting people on track to a healthier life...." Read more

"...I lost a lot of weight (35+ kg to date). I stopped taking all medications despite my doctor’s insistence on the contrary...." Read more

53 customers mention "Fasting"49 positive4 negative

Customers find the book helpful for fasting. They say it explains why intermittent fasting works and provides ideas on meals and times. The author describes fasting methods to reverse diabetes, and his research on weight loss and fasting is commendable. Readers report lower blood sugar levels, decreased blood pressure, and improved energy levels.

"...For me, my body responds best to the fasting. Don't let anyone who's made the exercise thing work for them make you feel bad...." Read more

"...This is one I'll be reading again and again to help me remember why I'm fasting, help me build fasting endurance, and refine my routine as I go on." Read more

"...Points out that intermittent fasting or time restricted eating can manage and reverse diabetes...." Read more

"...following the advice in the book, the Obesity Code and The Complete Guide To Fasting...." Read more

39 customers mention "Effectiveness"34 positive5 negative

Customers find the book's suggestions effective. They say it works, provides hope, and offers proven results. The book explains why medications don't work and gives examples of longer fasts like 30 or 36 hours.

"...The results have been amazing and I feel better than I have felt in 20 years. Everything isn’t so difficult and exhausting anymore!..." Read more

"...This fasting took away many pounds in my first two weeks---quite fast. I am looking forward to acquiring my target weight soon...." Read more

"...to clean out the fat in the cells, thus flushing the rot and functioning properly...." Read more

"...The book give examples of longer fasts like 30 or 36 hour fast, so you are eating like ever other day...." Read more

Received the book today, haven't set it down yet!
5 out of 5 stars
Received the book today, haven't set it down yet!
I should've known about this book years ago, been diagnosed 20yrs, the first pages breaks down "what is diabetes" and what it does to our body. I'm loving this book already!! Hey, doctors do not tell us the most important details of every illiness, research is now available online, books,ect. This book is easy to read, a great read, wonderful information, and I can hardly wait to read "how to treat diabetes".#lifechangetoday
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Top reviews from the United States

  • Reviewed in the United States on October 5, 2024
    This diabetes code book is not just for diabetics. My husband 65 yrs, was diagnosed with type two diabetes, which is a nice way to say you are overweight. The food and medical industry does not clearly or does not want to clearly know what makes people fat. This book is an easy read describes how the body works, and how all the food groups work to help our bodies perform properly ,if you are truly wanting to make a change in your life. This book is fantastic! We the people have been fooled for a long time ! Do yourself a favor order this book! I will now be Purchasing the diabetic code cookbook😊!
    6 people found this helpful
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  • Reviewed in the United States on December 6, 2024
    great book tons of information and easy to understand
    One person found this helpful
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  • Reviewed in the United States on July 20, 2018
    10-week Update: In total, I lost 15-lbs. in 10-weeks with a 30-hr. fasting regiment. I’ve read women have a harder time with intermittent fasting (IF) b/c our bodies are built for childbearing. So when we fast for long periods of time, our bodies go into starvation mode and the weight won’t come off (at least it didn’t for me). My A1C result was 9.5 so I’m back on insulin but will try the 16-hr. fasting to see if that makes the difference in weight loss (stop eating at 8pm and next meal would be noon). To add to the lack of weight loss, I went onto the Keto diet and didn’t get the right ratio of fat-protein-carbs (75/20/5). For those wanting to do Keto, please make sure to drink 10-12 glasses of water or you’ll suffer MAJOR constipation and/or daily leg cramps. You'll need to add electrolytes in your water as well - my favorite powder mix is Hydra Surge (dissolves easily and fruit punch taste). For my chocolate cravings, I have a few teaspoonful of Lily’s sugarless chocolate chips (sold at Sprouts, Mollie Stone’s in the baking section). The sugar substitute Erythritol gives a burning sensation on the throat upon eating so stick with liquid Stevia. Cauliflower pizza is a favorite staple for Keto dieters.

    Original July 20, 2018 Review: I was pre-diabetic in Oct'03. Fast forward to Jun'12, I became insulin-dependent mostly due to work stress. Still, up until last weekend when I read the book, I didn't paid attention to my diet and my office job is sedentary. I've never quite understood what it meant to be diabetic and continued my desserts (even bringing in desserts to work - sorry about that). Dr. Fung is the 1st to teach me that sugar is a toxin without nutritional value (great for the taste buds though), and that it damages the whole body (internal and external) and weakens cell development. If I'm getting older, regeneration is compromised and there's no medication or procedure to fix diabetic nerve damage. Why aren't doctors explaining diabetes to their patients in plain English? Dr. Fung does all of this and I read the book in one day. I first started with Metformin, then adding Glyburide, and finally insulin in Jun'12. My diabetes wasn't managed well and the insulin dosage continued to increase. I was gaining weight despite eating half at every meal mostly Atkins (but still desserts). Dr. Fung's explanation of insulin forcing the excess glucose into the liver made sense and I started fasting the very next day. I want to restore my liver and rid of the high triglycerides (Slo-Niacin is helping to lower) from the excess glucose.

    Dr. Fung states that diabetic patients have common cancers as well - I became another statistic in Aug'17 when I was diagnosed with endometrial cancer (Stage 1A) and had a full hysterectomy. Then he mentioned how closely related diabetes and Alzheimer's Disease are, so strong that it could be called ”Type 3” Diabetes. I don't want to be another statistic for Alzheimer's. Other afflictions include skin tags, infertility, dementia, blindness, kidney failure, liver scarring, heart disease, loss of pain sensation and even hair loss. Sugar is horrible for the skin as well (poor circulation and cell regeneration).

    Dr. Fung pointed out, food for thought (literally), when he states treatment for both Diabetes types 1 and 2 is insulin. How can that be treatment for both diseases at both ends of the spectrum? Diabetes is a growing epidemic b/c the food channels are glorifying sugar-laden cakes and desserts, the cupcake craze, gourmet pizzas, and eating contests/binges. There’s tempting food everywhere. It's over-indulgence at every turn and we're doomed if we don't stop and think what we're shoving into our mouths. THINK QUALITY INSTEAD OF QUANTITY. I heard on the news recently that 63% of young Americans men have liver disease mostly caused by drinking as well. Poor overworked liver and kidneys.

    I admit I'm a sugar addict and while I hate to give up my desserts, I MUST IF I WANT TO LIVE LONGER AND HEALTHIER. Once I reach optimum ketosis and my organs start to function as it should be doing, I can afford a few sweet bites occasionally. Thank you Dr. Fung for teaching me all the right stuff. The menu planner has inspired me to re-examine my diet and going back to Atkins and the Keto diet. I told my doctor what I was doing but didn’t tell him I was off my diabetes meds (Metformin and Insulin). So far, my glucose readings are high even after fasting but how can that be when I’m not eating. Does this mean my extra glucose is coming out and working for me? Haven’t been tired and still lots of energy. I took that chance but if you’re worried about stopping your meds, please check with your doctor. I’m testing AM and PM to make sure I’m okay.

    Read this book but more importantly, give your fatty liver a chance to recoup and function normally again. Get the excess glucose out of your liver, burn your fat and restore your health. BTW, when I'm fasting for 36-hours, I will stop eating at 7:30pm and have breakfast on the 3rd day. You’ll be sleeping at least 10-hrs. of that cycle and miss one full day of eating. On fasting days, it's mostly liquid (tea, hot broth and water). If I’m really hungry, I’ll have Almased once a day but no solids whatsoever. I've lost 3-4 pounds a week so far and not hungry or tired. If you are dizzy, prick your fingers to make sure you haven’t dipped below 60 and/or have some broth for the sodium. On non-fasting days, stick with fresh foods, low-carbs and unprocessed foods. I try to weigh myself on the mornings of fasting days (after eating days) for better results b/c of homeostasis during fasting days when my body is holding back in starvation mode. This means I get to fast 3X days a week (MWF) BUT still eat 4 days a week (TuThSaSu) Keto style. I haven’t been tempted to eat sweets at all (so far). I'm using Emergen-C electrolye replenisher to quash thirst (powder packet into 16-oz. water) and hot water to help with constipation. Good luck!
    240 people found this helpful
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  • Reviewed in the United States on January 8, 2023
    I have no doubt that the information Dr. Fung presents is accurate and lifesaving. I’ve recently competed reading it and I am motivated as I embark on my 2023 journey to combat pre-diabetes, obesity, hypertension and osteoarthritis. Dr. Fung is a proponent of Low Carb/High Fat (LCHF) diets, which are nothing new, so that is not groundbreaking news. Although I read every word, I found his explanations unnecessarily technical, and was anxious to “cut to the chase” and learn how to “prevent and reverse type 2 diabetes naturally” as the book cover touts. Unfortunately, that chapter doesn’t appear in the 265 page book until the very end and is only 44 pages in length. (His Endnotes and Index pages are nearly that long at 41 pages!) I appreciate Fung’s attention to detail and his academic and scientific approach, but I feel it falls slightly short in describing practical application. The biggest takeaway for me, is that in addition to diet, Intermittent Fasting (IF) is the magic bullet for the obesity/diabetes (and comorbidities) dilemma. Yet, very few pages are devoted to IF, and that section is lacking practical application information such as how to break a fast, what to expect, and what happens to the body during an extended fast. I have had to look for this information elsewhere, but would have appreciated Dr. Fung’s expertise on the subject. (So many IF “experts” lack any medical degree or are trying to hawk products, and they each have different philosophies and approaches, making IF feel daunting.) Dr. Fung has written a book about IF, so that’s my next step.

    In short, good book, solid science, may be too technical for some, but perfect for the person who wants to understand the whys and what for’s of insulin resistance. Low Carb/High (healthy)Fat clean eating and IF seems to be the prescription here.

    UPDATE: It only took two weeks for me to improve my fasting blood glucose from an average of 131 to 88 solely from using the Clean Keto diet and IF. I have lost some weight, as well. My hypertension has not gone down yet, but I am hoping that this will be my prescription for that, too.
    70 people found this helpful
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Top reviews from other countries

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  • Wendy
    5.0 out of 5 stars A must read for anyone with Insulin resistance or type 2.
    Reviewed in Canada on April 9, 2024
    This book is amazing. I have insulin resistance/pre diabetic. I read this book and it was a real eye opener. I got my A1C from 7.9 to 5.8 in 3 months. (without the fasting)The way that it explains what insulin resistance is and why our bodies act the way the do, why our diet is the main factor in this epidemic we call diabetes. If you have type 2 diabetes, insulin resistance, or just want to be healthier you need to read this book. If you only use this information to change how you think about food and your body and don't do the fasting I promise you will be amazed.
  • Cliente Kindle
    5.0 out of 5 stars Conciso, didático e esclarecedor
    Reviewed in Brazil on October 5, 2021
    O livro traz uma visão sobre o diabetes e o papel da insulina, derivado a partir do consumo elevado de açúcares muito interessante. Os esfeitos colaterais do aumento da dosagem da insulina e a forma como são explicados os papéis do fígado e do pâncreas deixaram muito claro como se chega à condição de diabético e dão luz sobre como reverter essa condição. Leitura fluida, para leigos, mas com informações suficientes para ajudar a ter uma ótima compreensão. Recomendo fortemente para quem quer cuidar melhor da saúde.
  • Dr.siddalingeshwara P.
    5.0 out of 5 stars Wonderful book
    Reviewed in India on December 18, 2024
    Everyone should read it, specially those who want to maintain diet & maintain their weight. It's a must read for diabetic patients.
  • DikDik
    3.0 out of 5 stars Does the job
    Reviewed in Sweden on September 16, 2023
    Does the job
  • R. Bjornsson
    5.0 out of 5 stars Should be a standard issue med-school text then big pharma would 😭 and the patients be healthy
    Reviewed in Germany on December 4, 2021
    Should be a standard text for every doctor both primary physicians and internist and then we would save a lot of money and misery for our patients with most of the CVD and metabolic diseases that cost society approximately 2/3-3/4 of everything we spend on healthcare. I have no connection to or know the author but watch his YouTube channel a lot. Has written other great books.

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