Jason Fung

Jason Fung

Scientific videos on how to lose weight and reverse type 2 diabetes with diets and intermittent fasting.. Official channel of Dr. Jason Fung - specialist physician, nephrologist and New York Times best selling author of The Obesity Code, The Complete Guide to Fasting, The Diabetes Code and The Cancer Code. Dr. Fung has experience from treating thousands of patients over many decades and shares his insights on weight loss, diets, nutrition, type 2 diabetes reversal, and intermittent fasting. The success rate of basic weight loss advice of calorie counting has been shown to be abysmally low. To lose weight, don't follow strategies that have been proven to fail. Instead, Dr. Fung focuses on understanding the science of calories, diets and fasting as well as practical tips and regimens. He shares patient stories, photos and actual regimens (with permission). To start losing weight and getting healthier, subscribe and hit the bell for notification.

Episodes

  1. 18m ago

    The Food Pyramid Lie: Why we got Fat

    Check out Aeira powdered bone broth for managing hunger during fasting at www.drinkaeira.comFor decades, we were told to follow the Food Pyramid. We were told to eat 6-11 servings of bread and pasta a day and fear dietary fat. We followed the rules. But instead of getting healthier, the world got sicker and more obese. Why?In this video, I expose the truth behind one of the biggest failures in modern nutrition—the Food Pyramid. We explore how the 1977 dietary guidelines, though well-intentioned, were based on shaky science that demonized healthy fats and promoted insulin-spiking carbohydrates.If you’ve ever felt frustrated because you "ate right" according to the guidelines but still gained weight, this video explains exactly why that happened. It’s time to unlearn the old rules and understand how food actually affects your hormones and metabolic health.In this video, you will discover:● ⚠️ The Great Mistake: How the 1977 guidelines accidentally triggered the obesity epidemic.● 🍞 The Carb Trap: Why the base of the old pyramid (grains) is the primary driver of insulin resistance.● 🥑 The Fat Fear: Why we were taught to fear the wrong nutrient and how healthy fats protect your metabolism.● 🥗 The NEW Solution: A science-backed approach to eating that focuses on hormonal balance, not just calorie counting.Drop a comment below: Did you grow up following the Food Pyramid? How has changing your diet impacted your health? I’d love to hear your story. 👇▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ⏱️ Chapters / Timestamps00:00 - The Confusion: Why "Eating Right" Made Us Sick 00:45 - The 1977 Disaster: Problems with the Old Food Pyramid 01:40 - The History: Who Created These Guidelines? 02:45 - The Hidden Culprit: Carbohydrates & Insulin Spikes 03:55 - The Low-Fat Myth: Why We Were Wrong About Fat 05:10 - The New Food Pyramid: A Metabolic Approach 06:30 - It’s Not Calories, It’s Insulin (Weight Loss Basics) 07:25 - The "Focus Foods": What You Should Actually Eat 08:05 - Final Thoughts: Taking Control of Your Health============================= 📌 BOOKS: 👉 The Obesity Code - Reviewing underlying physiology of weight loss and how low carb diets and fasting can help. https://www.amazon.com/dp/1771641258?... 👉 The Diabetes Code - Reviewing how type 2 diabetes is a reversible disease and dietary strategies. https://www.amazon.com/dp/B0795BLS8D?... 👉 The Cancer Code - Scientific exploration of how cancer develops - https://www.amazon.com/dp/0062894005?... 📌 Amazon: 👉 USA - https://www.amazon.com/shop/jasonfung 👉 Canada - https://www.amazon.ca/shop/jasonfung ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 📌 Please visit our :- 🔹 Website - https://www.doctorjasonfung.com 🔹 Blog- / drjasonfung 🔹 Community- https://www.thefastingmethod.com 🔹 Facebook - / jason.fung.313 🔹 Instagram - / drjasonfung 🔹 Twitter - / drjasonfung ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 📌 YouTube Medical Lectures (for specialist physicians): ▶️ The Roots of the Obesity Epidemic: https: // • The Obesity Epidemic, Explained ▶️ Therapeutic Fasting - The Two Compartment Problem:https: // • Fasting and Weight Loss - Solving the... ▶️ Does Calorie Counting work?: • Why Calorie Counting rarely leads to ... ▶️ Two Big Lies of Type 2 Diabetes: • Two Big Lies about Type 2 Diabetes ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ If you liked the video, Please Do Subscribe My Channel 😉😍 Keep Supporting me So I can Continue to provide you with free content each week!!😇 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 😍 😍 Thank you for Watching! #FoodPyramid #DrJasonFung #InsulinResistance #LowCarb #NutritionMyths #MetabolicHealth #WeightLossJourney #HealthyEating Learn more about your ad choices. Visit megaphone.fm/adchoices

    The Food Pyramid Lie: Why we got Fat

  2. 2h ago

    Why Do We get Fat? Part 1 - The Biggest Lie in Obesity Medicine

    This is Why You're Not Losing Weight (Its Not Calories) | Dr. Jason FungPre-order The Hunger Code - Out March 2026 at www.doctorjasonfung.comVisit www.drinkaeira.com for hunger management tools.Stop counting calories! It's the biggest, most damaging lie in obesity medicine.In this video, Dr. Jason Fung, the best-selling author of The Obesity Code & The Hunger Code dismantles the single biggest myth in weight loss: CaloriesIn, Calories Out (CICO).For decades, we've been told that weight gain is a personal failing—a simple lackof willpower. Dr. Fung explains why this is completely false. He reveals thatweight gain isn't a calorie problem; it's a hormonal problem.In this video you will learn:● Why the CICO equation, while technically true, is practically useless forweight loss.● The problem: Why your Basal Metabolic Rate (BMR)plummets when you cut calories, sabotaging your efforts.● The true Arrow of Causality: Hormones (not calories) are the real causeof weight gain.● How Insulin, the master hormone, forces your body to store fat and makesyou hungrier.● Why 100 calories from a cookie is NOT the same as 100 calories from anegg.● The Circular Logic trap that keeps people fixated on counting.● How food acts as information that gives your body specific instructions.This is a must-watch for anyone who has struggled with yo-yo dieting and islooking for the real, science-based solution to lasting weight loss.�� If you’re serious about losing weight without losing your health or youthfulook, this video is a must-watch.�� Subscribe now for more science-backed videos on fasting, weight loss, anmetabolic health. And don’t forget to like ��, comment ��, and share this vidwith anyone who still believes in the calorie deficit myth!▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬⏱️ Chapters / Timestamps00:00 - The Biggest Lie in Obesity Medicine00:40 - The Flawed Calories In vs. Calories Out Equation01:15 - Why We Think Obesity is a Personal Failing (And Why It's Wrong)02:13 - Body Fat is Tightly Controlled by Hormones03:02 - The Problem: Why Eating Less Fails03:50 - The Inevitable Drop: Basal Metabolic Rate (BMR)04:37 - The Real Cause of Weight Gain: Hormones05:13 - The Master Hormone: How Insulin Makes You Fat06:00 - Hormones Control Your Hunger & BMR (Not Willpower)08:21 - The Circular Logic Trap of CICO08:40 - Not All Calories Are Equal (Cookies vs. Eggs)10:14 - Food is NOT Just Energy, It's Information11:09 - The Critical Choice: Store Calories or Burn Calories?12:12 - Final Takeaway: Focus on Hormones, Not Calories=============================�� BOOKS:�� The Obesity Code - Reviewing underlying physiology of weight loss anhow low carb diets and fasting can help.https://www.amazon.com/dp/1771641258?...�� The Diabetes Code - Reviewing how type 2 diabetes is a reversibldisease and dietary strategies. https://www.amazon.com/dp/B0795BLS8D?...�� The Cancer Code - Scientific exploration of how cancer developshttps://www.amazon.com/dp/0062894005?...�� Amazon:�� USA - https://www.amazon.com/shop/jasonfung�� Canada - https://www.amazon.ca/shop/jasonfung▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬�� Please visit our :-�� Website - https://www.doctorjasonfung.com�� Blog- / drjasonfung�� Community- https://www.thefastingmethod.com�� Facebook - / jason.fung.313�� Instagram - / drjasonfung�� Twitter - / drjasonfung▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬�� YouTube Medical Lectures (for specialist physicians)▶️ The Roots of the Obesity Epidemic: https: // • The Obesity Epidemic,Explained▶️ Therapeutic Fasting - The Two Compartment Problem:https: // •Fasting and Weight Loss - Solving the...▶️ Does Calorie Counting work?: • Why Calorie Counting rarely leads to...▶️ Two Big Lies of Type 2 Diabetes: • Two Big Lies about Type 2Diabetes▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬If you liked the video, Please Do Subscribe My Channel ����Keep Supporting me S Learn more about your ad choices. Visit megaphone.fm/adchoices

    Why Do We get Fat? Part 1 - The Biggest Lie in Obesity Medicine

  3. 3h ago

    Is Saturated Fat Bad? (Science says... No!) Obesity Code Lecture 6

    Is eating saturated fat bad for us? Does eating fat cause obesity? Heart disease? Stroke? How did we become so fat phobic? Are vegetable oils healthy? A critical look at the wealth of scientific data suggests that eating fat (total) and saturated fat might actually protect us from disease. Check out my blog at https://medium.com/@drjasonfungMore Information:BOOKS:The Obesity Code - Reviewing underlying physiology of weight loss and how low carb diets and fasting can help. https://www.amazon.com/dp/1771641258?ref=exp_jasonfung_dp_vv_dThe Diabetes Code - Reviewing how type 2 diabetes is a reversible disease and dietary strategies. https://www.amazon.com/dp/B0795BLS8D?ref=exp_jasonfung_dp_vv_dThe Cancer Code - Scientific exploration of how cancer develops - https://www.amazon.com/dp/0062894005?ref=exp_jasonfung_dp_vv_dAmazon:USA - https://www.amazon.com/shop/jasonfungCanada - https://www.amazon.ca/shop/jasonfung**Fasting Aids**Pique Fasting Tea (recommended)https://www.piquetea.com/drjasonfungFasting Community and Coaching:https://www.thefastingmethod.com/YouTube Medical Lectures (for specialist physicians):1. The Roots of the Obesity Epidemic - https://youtu.be/q8BGYhreaco2. Therapeutic Fasting - The Two Compartment Problem: https://youtu.be/ETkwZIi3R7w​​3. Does Calorie Counting work? https://youtu.be/5F5o0a4p_3U​​4. Two Big Lies of Type 2 Diabetes - https://youtu.be/FcLoaVNQ3rc5. Reversing Type 2 Diabetes Naturally - https://youtu.be/mAwgdX5VxGc6. Insulin Toxicity - https://youtu.be/4oZ4UqtbB_g​​7. Saturated Fat - Friend or Foe? https://youtu.be/QetsIU-3k7Y8. Diet and Disease - https://youtu.be/2yoOx_7MLn09. Dangers of Fructose - https://youtu.be/pG89j432w-Y10. Insulin Resistance - https://youtu.be/dimP7IdM2Og11. Role of Hormones in Weight Loss - https://youtu.be/ZbnshVO4PRM12. The Obesity Code Lecture 1 - https://youtu.be/YpllomiDMX0Join this channel to get access to perks:https://www.youtube.com/channel/UCoyL4iGArWn5Hu0V_sAhK2w/joinTimestamps:0:00 Dietary Fat9:54 Dietary Cholesterol20:30 Dietary fat and serum lipids30:24 Diet and Disease37:46 Saturated Fat41:27 saturated fat and stroke52:31 Eggs and heart disease59:53 Vegetable Oils#jasonfung #drjasonfung #fasting #fastingbenefits #weightlosstips #intermittentfasting #drfung #fung #calories #weightlosstips #caloriesincaloriesout #weightloss #nutrition #diet #health Learn more about your ad choices. Visit megaphone.fm/adchoices

    Is Saturated Fat Bad? (Science says... No!) Obesity Code Lecture 6

  4. 4h ago

    Muscle - The secret endocrine Organ to keep you healthy - A conversation with Dr. Gabrielle Lyon

    Why does muscle matter so much—not just for strength, but for fat loss,insulin sensitivity, metabolism, and long-term health?In this in-depth conversation, Dr. Jason Fung sits down with Dr. Gabrielle Lyonto explore why muscle is one of the most misunderstood—and mostimportant—organs in the human body. This discussion challenges the traditionalcalorie-focused model of weight loss and reframes health through a muscle-centric, hormone-driven lens.Throughout this 58-minute discussion, you’ll gain clarity on:● Why muscle plays a critical role in metabolic health and fat loss● How low muscle mass contributes to insulin resistance and weight gain● Why focusing only on calories often leads to failure● The connection between muscle, fasting, and metabolic flexibility● How muscle loss accelerates aging and chronic disease risk● Practical ways to preserve and build muscle without extreme dieting● Why hormones—not willpower—drive long-term weight regulationDr. Gabrielle Lyon explains how muscle functions as a metabolic organ,influencing blood sugar control, energy production, and longevity. Dr. Jason Fungadds crucial insight into how insulin, fasting, and metabolic health intersect withmuscle preservation—especially for people struggling with stubborn weight gain.This video is especially valuable if you:● Are losing weight but still feel metabolically unhealthy● Struggle with insulin resistance or slow metabolism● Want sustainable fat loss without damaging muscle● Care about longevity, strength, and aging well�� Recommended ResourceTo dive deeper into muscle-centric health, explore Dr. Gabrielle Lyon’sPlaybook:�� https://drgabriellelyon.com/playbook/� Pre-order bonuses include $400+ in value, plus access to a 6-week groupchallenge starting February 15.If this conversation helped shift how you think about muscle and health:�� Like the video�� Comment below What changed your perspective the most?�� Subscribe for more science-based discussions on metabolic health, fastingand longevity▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬⏱️ Chapters / Timestamps00:00 – Why Muscle Matters So Much (Intro & Core Idea)02:15 – Dr. Gabrielle Lyon: Muscle Is More Than Strength05:10 – Muscle as a Metabolic Organ Explained08:00 – How Low Muscle Mass Affects Fat Gain10:45 – Insulin Resistance, Muscle & Weight Loss13:30 – Hormones vs Calories: A Broken Model16:40 – Why Traditional Dieting Fails Long-Term19:30 – Muscle, Metabolism & Energy Production22:15 – Aging, Muscle Loss & Chronic Disease Risk25:10 – Intermittent Fasting and Muscle Preservation28:20 – Can You Lose Fat Without Losing Muscle?31:15 – Protein Intake, Muscle & Metabolic Health34:00 – Muscle-Centric Health vs Weight-Centric Health37:10 – Exercise, Resistance Training & Longevity40:00 – Common Myths About Muscle and Fat Loss43:15 – What Most People Get Wrong About Metabolism46:20 – Practical Steps to Build & Protect Muscle49:30 – Sustainable Fat Loss Without Starvation52:10 – Long-Term Health, Longevity & Muscle Mass55:00 – Final Thoughts: Rethinking Muscle & Health57:10 – Closing Message & Key Takeaways=============================�� BOOKS:�� The Obesity Code - Reviewing underlying physiology of weight loss anhow low carb diets and fasting can help.https://www.amazon.com/dp/1771641258?...�� The Diabetes Code - Reviewing how type 2 diabetes is a reversibldisease and dietary strategies. https://www.amazon.com/dp/B0795BLS8D?...�� The Cancer Code - Scientific exploration of how cancer developshttps://www.amazon.com/dp/0062894005?...�� Amazon:�� USA - https://www.amazon.com/shop/jasonfung�� Canada - https://www.amazon.ca/shop/jasonfung▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬�� Please visit our :-�� Website - https://www.doctorjasonfung.com�� Blog- / drjasonfung�� Community- https://www.thefastingmethod.com�� Facebook - / j Learn more about your ad choices. Visit megaphone.fm/adchoices

    Muscle - The secret endocrine Organ to keep you healthy - A conversation with Dr. Gabrielle Lyon

  5. 5h ago

    Diet and Disease (The Obesity Code Lecture part 5)

    Exploring the link between diet and disease. How are diabetes, heart disease, stroke, obesity and cancer linked to our diet? Understanding this association leads to fascinating new treatment possibilities. Check out my blog at https://medium.com/@drjasonfungMore Information:BOOKS:The Obesity Code - Reviewing underlying physiology of weight loss and how low carb diets and fasting can help. https://www.amazon.com/dp/1771641258?ref=exp_jasonfung_dp_vv_dThe Diabetes Code - Reviewing how type 2 diabetes is a reversible disease and dietary strategies. https://www.amazon.com/dp/B0795BLS8D?ref=exp_jasonfung_dp_vv_dThe Cancer Code - Scientific exploration of how cancer develops - https://www.amazon.com/dp/0062894005?ref=exp_jasonfung_dp_vv_dAmazon:USA - https://www.amazon.com/shop/jasonfungCanada - https://www.amazon.ca/shop/jasonfung**Fasting Aids**Pique Fasting Tea (recommended)https://www.piquetea.com/drjasonfungFasting Community and Coaching:https://www.thefastingmethod.com/YouTube Medical Lectures (for specialist physicians):1. The Roots of the Obesity Epidemic - https://youtu.be/q8BGYhreaco2. Therapeutic Fasting - The Two Compartment Problem: https://youtu.be/ETkwZIi3R7w​​3. Does Calorie Counting work? https://youtu.be/5F5o0a4p_3U​​4. Two Big Lies of Type 2 Diabetes - https://youtu.be/FcLoaVNQ3rc5. Reversing Type 2 Diabetes Naturally - https://youtu.be/mAwgdX5VxGc6. Insulin Toxicity - https://youtu.be/4oZ4UqtbB_g​​7. Saturated Fat - Friend or Foe? https://youtu.be/QetsIU-3k7Y8. Diet and Disease - https://youtu.be/2yoOx_7MLn09. Dangers of Fructose - https://youtu.be/pG89j432w-Y10. Insulin Resistance - https://youtu.be/dimP7IdM2Og11. Role of Hormones in Weight Loss - https://youtu.be/ZbnshVO4PRM12. The Obesity Code Lecture 1 - https://youtu.be/YpllomiDMX0Join this channel to get access to perks:https://www.youtube.com/channel/UCoyL4iGArWn5Hu0V_sAhK2w/joinTimestamps:0:00 Diet and Disease2:13 Diseases of Civilization15:02 Cancer26:57 Diabetes41:13 Hormonal Obesity#jasonfung #drjasonfung #fasting #fastingbenefits #weightlosstips #intermittentfasting #drfung #fung #calories #weightlosstips #caloriesincaloriesout #weightloss #nutrition #diet #health Learn more about your ad choices. Visit megaphone.fm/adchoices

    Diet and Disease (The Obesity Code Lecture part 5)
  • 5 Episodes

About

Scientific videos on how to lose weight and reverse type 2 diabetes with diets and intermittent fasting.. Official channel of Dr. Jason Fung - specialist physician, nephrologist and New York Times best selling author of The Obesity Code, The Complete Guide to Fasting, The Diabetes Code and The Cancer Code. Dr. Fung has experience from treating thousands of patients over many decades and shares his insights on weight loss, diets, nutrition, type 2 diabetes reversal, and intermittent fasting. The success rate of basic weight loss advice of calorie counting has been shown to be abysmally low. To lose weight, don't follow strategies that have been proven to fail. Instead, Dr. Fung focuses on understanding the science of calories, diets and fasting as well as practical tips and regimens. He shares patient stories, photos and actual regimens (with permission). To start losing weight and getting healthier, subscribe and hit the bell for notification.

Information

  • Creator
    Jason Fung
  • Years Active
    2026
  • Episodes
    5
  • Rating
    Clean