Jason Fung

A Conversation with Dr. Brian Lenzkes | Jason Fung

Jason Fung

Summary

Recent discussions among healthcare professionals highlight the urgent need for a shift in diabetes management and metabolic health strategies. Dr. Jason Fung and Dr. Brian Lundsky, both advocates for low-carb diets and fasting, emphasize the importance of addressing insulin resistance and metabolic health as foundational elements for preventing and reversing diabetes. They share personal experiences and clinical successes, noting that many patients have achieved significant health improvements through dietary changes and fasting protocols.

Dr. Lundsky recounts his journey from traditional medical practices to embracing a more holistic approach, driven by personal family health struggles with diabetes. He highlights the frustration with conventional medical training that often overlooks the benefits of lifestyle interventions. Both doctors express concern over the healthcare system's focus on medications rather than preventative measures, which they argue leads to worsening patient outcomes and increased healthcare costs.

The conversation also touches on the broader implications of metabolic health on mental well-being, with both doctors noting improvements in mood and energy levels among patients who adopt low-carb diets and intermittent fasting. They advocate for more research and education on these topics, aiming to empower patients and healthcare providers alike to prioritize metabolic health as a means to combat chronic diseases.

Show Notes

🌟 Welcome to the Fasting & Longevity Summit 2.0 Series! 🌟A Conversation with Dr. Brian Lenzkes | Jason Fung📢 Don’t Miss the Fasting & Longevity Summit 2.0!Get exclusive access to interviews with top experts and game-changing fasting insights. Sign up for the Summit before it’s too late!👉https://drtalks.com/summit/fasting-longevity?uid=828&oid=87&ref=3679Join Dr. Jason Fung as he embarks on an extraordinary journey to uncover the transformative power of fasting and metabolic health! 🎥 In this exclusive series, Dr. Fung sits down with Dr. Brian Lenzkes, a San Diego-based physician passionate about reshaping the way we approach health, longevity, and metabolic wellness.🩺 What You’ll Discover in This Video:✔️ The personal journeys of Dr. Fung and Dr. Lenzkes in the medical field✔️ Eye-opening insights into the power of fasting and insulin resistance✔️ Real-life examples of how metabolic health transforms lives✔️ Why traditional medical advice needs a serious upgrade✔️ Actionable tips to take charge of your health🔑 Key Takeaways:✔️ Fasting isn’t just about weight loss; it’s about boosting health and slowing aging.✔️ Discover how medical pioneers like Dr. Lenzkes have integrated fasting into their practices.✔️ Learn why metabolic health is the foundation for longevity.💡 Whether you’re new to fasting or an experienced enthusiast, this series is packed with valuable knowledge to inspire you to take control of your health journey.🎙️ This episode is part of a larger series featuring Dr. Fung, Dr. David Jockers, Dr. Joseph Mercola, and over 40 world-class experts!💻 Register Now for Free Access to the Summit!👉 Click the link to explore life-changing strategies from the world’s top health and fasting experts.🔗 Watch, Learn, Transform:Take the first step towards a healthier, longer life. Join us in this conversation that could change the way you think about health forever!Subscribe & Share 💌Don't miss out on future episodes of this groundbreaking series. Hit the Subscribe button, turn on notifications 🔔, and share this video with friends and family!Let’s revolutionize health together. 🌱✨============================= 📌 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- https://drjasonfung.medium.com 🔹 Community- https://www.thefastingmethod.com 🔹 Facebook - https://www.facebook.com/jason.fung.313 🔹 Instagram - https://www.instagram.com/drjasonfung/ 🔹 Twitter - https://twitter.com/drjasonfung ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 📌 YouTube Medical Lectures (for specialist physicians): ▶️ The Roots of the Obesity Epidemic: https: //www.youtube.com/watch?v=q8BGYhreaco&t=0s ▶️ Therapeutic Fasting - The Two Compartment Problem:https: //www.youtube.com/watch?v=ETkwZIi3R7w&t=0s ▶️ Does Calorie Counting work?: https://www.youtube.com/watch?v=5F5o0a4p_3U&t=0s ▶️ Two Big Lies of Type 2 Diabetes: https://www.youtube.com/watch?v=FcLoaVNQ3rc&t=0s #DiabetesCode #ReverseDiabetes #Type2Diabetes #DrJasonFung #IntermittentFasting Learn more about your ad choices. Visit megaphone.fm/adchoices

More from Jason Fung

Oct 29, 2026

Dr. Jason Fung gives his top three intermittent fasting tips. Fasting is simple, but not always easy, and these fasting tips may help you stick with it to lose weight. Intermittent fasting tip #3 - stay hydrated. Intermittent fasting tip #2 - Face your hunger. Hunger comes in waves, and if you simply ignore it, it will wash over you like a wave. Intermittent fasting Tip #1 - Stay busy. Some suggestions on what NOT to do during fasting and what are some better alternatives. 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/join#jasonfung #drjasonfung #fasting #fastingbenefits #weightlosstips #intermittentfasting #drfung #fung #calories #weightlosstips #caloriesincaloriesout #weightloss #nutrition #diet #health2016 Green Tea Meta-Analysis - https://pubmed.ncbi.nlm.nih.gov/26093535/2009 Green Tea effect on Weight Loss - https://www.nature.com/articles/ijo2009135.pdfGreen Tea Catechins - https://pubmed.ncbi.nlm.nih.gov/21115335/Catechin effects on energy expenditure - https://pubmed.ncbi.nlm.nih.gov/21366839/Timestamps:0:00 Intro0:19 Marina's story1:22 Intermittent Fasting Tip #3 - Stay Hydrated2:03 Intermittent Fasting Fluids - Green Tea 4:43 Intermittent Fasting Fluids - Black Tea, Coffee, Bone Broth6:23 Intermittent Fasting Tip #2 - Ride out the Hunger Waves9:33 Fasting reduces cravings for sweets11:06 Intermittent Fasting Tip #1 - Stay Busy15:55 Marina's Fasting Regimen Learn more about your ad choices. Visit megaphone.fm/adchoices

Oct 29, 2026

Are you struggling with Type 2 diabetes or know someone who is? In this first session of The Diabetes Code Clinic, renowned expert Dr. Jason Fung takes you on a comprehensive journey to understand Type 2 diabetes and the steps you can take to reverse it effectively.Dr. Fung breaks down the science, myths, and proven methods behind reversing Type 2 diabetes naturally without relying solely on medications. Whether you're new to managing diabetes or looking for advanced insights, this video is your guide to a healthier future.This is Part 1 of a 6 part series that is used in Dr. Fung's Toronto based diabetes remission clinic.▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Timestamps for Easy Navigation:⏱ 00:00 – Welcome to the Diabetes Code Clinic⏱ 00:30 – Understanding Type 2 Diabetes⏱ 03:10 – Type 1 vs. Type 2 Diabetes: Key Differences⏱ 04:00 – How Excess Sugar Damages Your Body⏱ 06:30 – How to Reverse Type 2 Diabetes Naturally⏱ 09:00 – Actionable Steps to Start Today⏱ 11:15 – Key Takeaways for Diabetes Reversal▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ What You'll Learn in This Video:🔹 What is Type 2 Diabetes?Understand the root cause of Type 2 diabetes and how it differs from Type 1. Learn why it’s considered a reversible dietary condition.🔹 The Hidden Dangers of Sugar OverloadDiscover how excess sugar impacts your body, especially the liver and pancreas, and leads to insulin resistance.🔹 Steps to Reverse Type 2 DiabetesDr. Fung explains simple yet powerful strategies, including:Adopting a low-carbohydrate diet to reduce sugar intake.Practicing intermittent fasting to give your body a break from constant insulin spikes.Tracking your progress with a food journal and glucose monitor for better results.🔹 Why Medications Alone Aren’t the AnswerLearn why traditional treatments often fail to address the root cause and how dietary changes can achieve long-term remission.Who Should Watch This Video?This video is perfect for:Anyone diagnosed with Type 2 diabetes seeking a non-invasive solution.Caregivers, family members, and friends supporting loved ones with diabetes.Individuals interested in preventing diabetes or improving overall health.Key Takeaways:1️⃣ Type 2 diabetes is a reversible condition when treated as a dietary disease rather than a chronic illness.2️⃣ It’s caused by the accumulation of sugar in your body over time.3️⃣ Sustainable lifestyle changes, like reducing carbohydrate intake and intermittent fasting, can help “empty the sugar bowl” and restore insulin sensitivity.4️⃣ Consistency and tracking are vital – small, consistent steps lead to big changes.Why Trust Dr. Jason Fung?Dr. Jason Fung is a world-renowned nephrologist, diabetes educator, and the author of best-selling books The Diabetes Code and The Obesity Code. With years of experience helping patients reverse diabetes, Dr. Fung is dedicated to empowering people with the knowledge and tools to regain control of their health.📢 Share Your Journey:Have you tried reversing Type 2 diabetes? Let us know your experience in the comments below. Dr. Fung and the community would love to hear from you!============================= 📌 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- https://drjasonfung.medium.com 🔹 Community- https://www.thefastingmethod.com 🔹 Facebook - htt Learn more about your ad choices. Visit megaphone.fm/adchoices

Oct 28, 2026

Metabolic Insights from Lumen biometricsBest Times to Fast During Your Menstrual Cycle & peri-Menopause | Dr. Jason FungUse this Coupon code for a special 10% promotion:Coupon Code: DRFUNGLink: https://www.lumen.me/?utm_source=sp-influencer&utm_medium=youtube&utm_id=sp1184&utm_banner=sp1184-yt-2025-05-31-1&utm_campaign=Dr._Jason_Fung&utm_term=2025-05-repeat&utm_content=mention&discount=drfung&inf_id=sp1184Understanding how your body changes through the menstrual cycle ikey to smarter, more effective fasting. In this video, Dr. Jason Fung breaksdown the latest science and practical tips to help women fast in sync withtheir hormones. Whether menstruating, perimenopausal, orpostmenopausal — this video will help you optimize your health and fatloss. What You'll Learn in This Video:- How estrogen & progesterone affect hunger and metabolism- Why fasting feels easier before ovulation- The ideal time to do longer fasts or intermittent fasting- How menopause changes fat burning vs. sugar burning- Why many women gain weight during perimenopause- Practical tips to adapt your diet through different phases of your cycle- Personalizing your fasting strategy using your hormone patternsScience-Backed + Practical AdviceDuring the first half of your cycle (follicular phase), rising estrogen cansuppress appetite and increase your body’s ability to burn fat. This makesit the best time to fast — your cravings are low and your metabolism isgeared for fat-burning. After ovulation, progesterone increases appetiteand shifts your metabolism toward storing fat, making it a better time tofocus on low-carb eating instead of long fasts.In menopause, estrogen levels drop, appetite increases, and your bodstarts burning more glucose than fat. This metabolic shift makes weightgain easier and fat loss harder — but it’s manageable with the right fastingstrategies.BONUS: This video is sponsored by Lumen — get an exclusive discountwith the code in the description! Lumen helps you measure your breath to know exactly whether you’rburning fat or carbs, so you can adapt your fasting and diet strategy in realtime.▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▶️ Timestamps/Chapters00:00 – Intro (Women and Fasting)00:43 – Women and Fasting00:57 – Hormone level01:50 – When is the best time for fasting?03:30 – What type of body is used during the menstrual cycle?03:51 – Body Fuel (1. Glucose 2. Fat)05:02 – Follicular Phase05:30 – What is the implication when you’re trying to lose body fat?07:30 - What about menopause?=============================�� 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/jasonfungCanada - https://www.amazon.ca/shop/jasonfung▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬Please visit our :-Website - https://www.doctorjasonfung.com▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬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▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬#Fasting #DrJasonFung #WeightLoss#IntermittentFasting #FastingForWomenDr. Jason Fung Learn more about your ad choices. Visit megaphone.fm/adchoices

Oct 28, 2026

Can women use intermittent fasting for health and weight loss? Dr. Jason Fung discusses the difference between men and women and special guest Megan Ramos from The Fasting Method shares three tips that may work better for women, including the 30/16 fasting regimen. 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/YpllomiDMX0Timestamps:0:00 Intermittent fasting for women0:45 Puberty and weight distribution1:57 Menopause and weight gain3:32 Sleep disturbance and women4:10 Intermittent fasting studies in women5:20 Fasting tips for women - from Megan Ramos5:32 OMAD - the 30/16 fast6:46 Try longer fasts7:15 Plan fasting around monthly cycles8:34 Debra's story of fastingJoin this channel to get access to perks:https://www.youtube.com/channel/UCoyL4iGArWn5Hu0V_sAhK2w/join Learn more about your ad choices. Visit megaphone.fm/adchoices

Oct 28, 2026

Carbohydrates are not all the same. There are important differences that impact weight loss. Ever wondered why some carbs make you gain weight faster than others? I’m here to break it down for you.In this video, we'll explore:Fast Carbs vs. Slow Carbs – Discover why not all carbs are created equal.Calories vs. Hormones – Learn why 100 calories of cookies isn't the same as 100 calories of broccoli.Insulin and Weight Gain – Understand how insulin drives weight gain.Glycemic Index – Find out how different carbs affect your blood sugar levels.Impact on Hunger – See why certain foods make you hungrier throughout the day.Healthy Breakfast Choices – Get tips on what to eat to stay full longer.We'll also discuss real studies showing how different types of breakfast can influence your hunger and calorie intake for the rest of the day.Whether you're trying to lose weight or just want to make healthier food choices, this video is packed with simple, easy-to-understand information that can help you achieve your goals.Hit the play button and join me on this journey to better health! Don't forget to like, subscribe, and leave a comment if you have any questions or topics you'd like me to cover next.👉Join my membership for perks:https://www.youtube.com/channel/UCoyL4iGArWn5Hu0V_sAhK2w/join▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ▶️ Timestamps/Chapters 0:00 Intro 00:23 Weight loss is about Calories01:19 Weight loss is about Carbs01:40 Different carbs affect insulin differently01:50 Fast vs slow carbs04:29 Area under curve (AUC)08:03 The problem is the hunger not the calories08:17 Control the hunger not the calories08:03 Outro ============================= 📌 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- https://drjasonfung.medium.com 🔹 Community- https://www.thefastingmethod.com 🔹 Facebook - https://www.facebook.com/jason.fung.313 🔹 Instagram - https://www.instagram.com/drjasonfung/ 🔹 Twitter - https://twitter.com/drjasonfung ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 📌 YouTube Medical Lectures (for specialist physicians): ▶️ The Roots of the Obesity Epidemic: https: //www.youtube.com/watch?v=q8BGYhreaco&t=0s ▶️ Therapeutic Fasting - The Two Compartment Problem:https: //www.youtube.com/watch?v=ETkwZIi3R7w&t=0s ▶️ Does Calorie Counting work?: https://www.youtube.com/watch?v=5F5o0a4p_3U&t=0s ▶️ Two Big Lies of Type 2 Diabetes: https://www.youtube.com/watch?v=FcLoaVNQ3rc&t=0s ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 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! #Fastvs.SlowCarbs-WhyitMattersJasonFung #DiscoverFastingWonders #TheBenefitsOfFasting #FastingWeightLoss #IntermittentFasting #BenefitsOfFastingForTheBody #BenefitsOfFastingForTheBody #CuttingCalories #Fastvs.SlowCarbs Learn more about your ad choices. Visit megaphone.fm/adchoices

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