What is *The Diabetes Code* by Jason Fung about?

*The Diabetes Code* by Dr. Jason Fung argues that type 2 diabetes is rooted in excessive sugar consumption and hyperinsulinemia, asserting the condition can be reversed through low-carb diets and intermittent fasting instead of medication. The book critiques conventional drug-focused treatments, advocating for dietary changes to reduce insulin resistance and stabilize blood sugar.

Who should read *The Diabetes Code*?

This book is ideal for individuals diagnosed with type 2 diabetes, prediabetes, or those seeking natural strategies to manage insulin resistance. It’s also valuable for healthcare professionals exploring alternative dietary approaches to diabetes care. Fung’s clear, evidence-based explanations cater to readers skeptical of pharmaceutical-dependent treatments.

Is *The Diabetes Code* worth reading?

Yes, for its actionable plan to reverse type 2 diabetes through diet and fasting, supported by medical research. However, its restrictive dietary recommendations (eliminating sugars, refined carbs, and grains) may challenge long-term adherence. Critics note it oversimplifies diabetes as solely caused by sugar, but it remains a compelling resource for non-drug solutions.

What dietary changes does *The Diabetes Code* recommend?

Fung advocates avoiding all added sugars, refined carbohydrates (bread, pasta, rice), and processed foods while increasing natural fats. He emphasizes whole foods like vegetables, nuts, and proteins, paired with intermittent fasting to lower insulin levels. Sample meal plans prioritize low-carb, high-fat meals to stabilize blood glucose.

How does intermittent fasting help reverse diabetes according to Jason Fung?

Fasting periods reduce insulin production, allowing the body to burn stored fat and improve insulin sensitivity. By alternating eating windows with fasting (e.g., 16–24 hours), the body depletes glycogen reserves, lowering blood sugar and addressing hyperinsulinemia. Fung argues this approach treats the root cause, not just symptoms.

What are the criticisms of *The Diabetes Code*?

Critics argue the book oversimplifies diabetes as solely caused by sugar, ignoring genetic and lifestyle factors. Others question the sustainability of its strict diet, particularly the elimination of fruits and grains. Medical professionals caution against discontinuing medications without supervision, as Fung’s approach may not suit all patients.

How does *The Diabetes Code* compare to *The Obesity Code*?

Both books emphasize insulin’s role in metabolic disorders and promote intermittent fasting. While *The Obesity Code* focuses on weight loss through hormonal balance, *The Diabetes Code* targets reversing type 2 diabetes via similar mechanisms, with added meal plans and diabetes-specific research. Fung’s core message—reducing sugar and refined carbs—ties the two works together.

Can type 2 diabetes truly be reversed using Fung’s methods?

Fung cites studies and clinical cases where low-carb diets and fasting normalized blood sugar levels, enabling patients to reduce or eliminate medications. Success depends on strict adherence to dietary changes, which may reverse insulin resistance in motivated individuals. However, results vary, and maintenance requires lifelong lifestyle adjustments.

The Diabetes Code Summary, PDF, EPUB, Audio

The Diabetes Code

Jason Fung

4.48 (6502 Reviews)

Health Self-growth Science

Overview

Key Takeaways

Author

FAQs

Dr. Fung's revolutionary guide challenges conventional diabetes treatment, offering natural reversal strategies through diet and intermittent fasting. Endorsed by Dr. Mark Hyman, this New York Times bestseller has transformed countless lives, proving type 2 diabetes isn't the chronic sentence we've been told.

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Life with diabetes is short, disgusting and painful.

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The Diabetes Code isn't just a book — it's a masterclass in Health. To help you absorb its lessons in the way that works best for you, we offer five unique learning modes. Whether you're a deep thinker, a fast learner, or a story lover, there's a mode designed to fit your style.

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"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

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"Makes me feel smarter every time before going to work"

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From Columbia University alumni built in San Francisco

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"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

1.5K Ratings4.7

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The Diabetes Code

Jason Fung

4.48 (6502 Reviews)

Health Self-growth Science

Overview

Key Takeaways

Author

FAQs

Explore Your Way of Learning

Quick Summary9min

Feel the book through the author's voice

Deep Dive42min

Turn knowledge into engaging, example-rich insights

Flash Card10 insights

Capture key ideas in a flash for fast learning

Fun18min

Enjoy the book in a fun and engaging way

Best quote from The Diabetes Code

Life with diabetes is short, disgusting and painful.

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The Sugar Trap: How Diabetes Became a Modern Epidemic

00:00

Imagine a disease once so rare that medical students learned about it only from textbooks. Today, that same condition affects nearly half a billion people worldwide and strikes children as young as three. Type 2 diabetes has transformed from medical curiosity to global crisis in just one generation. Yet conventional wisdom still labels it "chronic and progressive" - a life sentence of deteriorating health and increasing medication. This fatalistic view is fundamentally wrong. Type 2 diabetes is fully reversible through dietary changes rather than medications. This isn't theoretical - countless patients have eliminated insulin injections after decades of dependency. What makes this approach particularly compelling is that it isn't new or experimental. It's rooted in treatments that predate insulin therapy but were forgotten when medication became the standard of care. For thousands of years, diabetes was recognized across civilizations. Egyptian texts from 1550 BC described "passing too much urine," while Greek physician Aretaeus called it "the melting down of flesh and limbs into urine." The first effective treatment came in 1797 when John Rollo developed an all-meat, low-carbohydrate diet that dramatically improved diabetic symptoms. Everything changed in 1921 with insulin's discovery, overshadowing previous dietary approaches.

The Birth of an Epidemic: How Dietary Guidelines Created Diabetes

Two Diseases, One Name: Understanding the Types of Diabetes

The Body Under Siege: How Diabetes Destroys From Within

The Insulin Factor: Why Obesity and Diabetes Are the Same Disease

The Overflow Phenomenon: How Cells Become Resistant to Insulin

Breaking the Cycle: How to Reverse Type 2 Diabetes

Explore Your Way of Learning

Quick Summary

The Diabetes Code Summary in 9 Minutes

Break down key ideas from The Diabetes Code into bite-sized takeaways to understand how innovative teams create, collaborate, and grow.

00:00

Flash Card

Top 10 Insights from The Diabetes Code in a Nutshell

Distill The Diabetes Code into rapid-fire memory cues that highlight key principles of candor, teamwork, and creative resilience.

Fun

The Diabetes Code Lessons Told Through 18-Min Stories

Experience The Diabetes Code through vivid storytelling that turns innovation lessons into moments you'll remember and apply.

00:00

Personalize

Experience The Diabetes Code in your own way.

Ask anything, pick the voice, and co-create insights that truly resonate with you.

From Columbia University alumni built in San Francisco

BeFreed Brings Together A Global Community Of 1,000,000 Curious Minds

See more on how BeFreed is discussed across the web

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

From Columbia University alumni built in San Francisco

BeFreed Brings Together A Global Community Of 1,000,000 Curious Minds

See more on how BeFreed is discussed across the web

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

1.5K Ratings4.7

Start your learning journey, now

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The Diabetes Code by Jason Fung Summary

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Key Takeaways

The Sugar Trap: How Diabetes Became a Modern Epidemic

The Birth of an Epidemic: How Dietary Guidelines Created Diabetes

Two Diseases, One Name: Understanding the Types of Diabetes

The Body Under Siege: How Diabetes Destroys From Within

The Insulin Factor: Why Obesity and Diabetes Are the Same Disease

The Overflow Phenomenon: How Cells Become Resistant to Insulin

Breaking the Cycle: How to Reverse Type 2 Diabetes

Quick Summary Mode - Read or listen to The Diabetes Code Summary in 9 Minutes

Flash Card Mode - Top 10 Insights from The Diabetes Code in a Nutshell

Fun Mode - The Diabetes Code Lessons Told Through 18-Min Stories

Personalize Mode - Read or listen to The Diabetes Code Summary in 0 Minutes

Download The Diabetes Code PDF

Download The Diabetes Code EPUB

More Like This

Key Takeaways

The Sugar Trap: How Diabetes Became a Modern Epidemic

The Birth of an Epidemic: How Dietary Guidelines Created Diabetes

Two Diseases, One Name: Understanding the Types of Diabetes

The Body Under Siege: How Diabetes Destroys From Within

The Insulin Factor: Why Obesity and Diabetes Are the Same Disease

The Overflow Phenomenon: How Cells Become Resistant to Insulin

Breaking the Cycle: How to Reverse Type 2 Diabetes