Jason Fung
Dr. Jason Fung, a Canadian nephrologist and author of The Obesity Code, shares scientific explanations of weight loss, type 2 diabetes reversal, nutrition and intermittent fasting. The show breaks down the biology of calories, diets and fasting, and explains why conventional calorie-counting advice so often fails. Episodes include practical regimens, patient stories and insights drawn from his decades of treating patients. It is the official channel of Dr. Fung's educational videos on metabolic health.
Episodes
The Real Cause of Weight Gain (It's NOT Willpower)
Learn more about Ancestral Supplements:Code: FUNGLink: https://ancestralsupplements.com/FUNG(Disclosure: This video was sponsored by Ancestral Supplements. Note that I use this brand personally at this moment because I believe in a whole food supplement)Most people still believe weight gain is simply about calories.But if calorie restriction alone worked long-term, why do so many people struggle?I
Insulin Toxicity (How to Reverse Type 2 Diabetes)
Dr. Jason Fung explains the toxicity of insulin and how it makes diabetics worse, not better. This leads to a discussion of rational treatment to cure diabetes without drugs, without surgery and without cost. 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. http
The Real Reason You Can't Lose Weight (Hormones and Obesity - a Masterclass)
Have you been told that losing weight is simply about "eating less and movingmore"? For decades, the "Calories In, Calories Out" model has been the goldstandard for weight loss. But what if it is completely wrong?In this Masterclass, I break down the real reason you can't lose weight:Hormones. We dive deep into the science of obesity and explore why caloriecounting fails 99% of the time, as proven
Medical Corruption (How your Doctor was Bought)
How financial conflicts of interest have corrupted modern medicine, from the medical journals to the universities. Studies that support drugs are published where those that don't are not, producing a corrupted version of reality. 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 fa
A Calorie Deficit cannot EVER exist – here’s why!
Most people are told that “weight loss = calorie deficit.” But the truth is, a caloriedeficit is a myth. Your body is not a simple calculator where you just subtractcalories and lose fat. In this video, Dr. Jason Fung explains the science behindwhy focusing only on calories fails, and why hormones, insulin, and fatmetabolism are the real keys to healthy and lasting weight loss.When people try extr
Type 2 Diabetes isn't Genetic ... It's Caused by THIS
Are you struggling to understand the real root cause of Type 2 Diabetes?For decades, the medical community has focused on insulin resistancewithout clearly explaining what actually causes the cells to becomeresistant in the first place.In this comprehensive masterclass, we break down the science of insulinresistance and reveal why the outdated 'Lock and Key' (internalstarvation) theory fails to ex
Why Do We Get Fat? Part 2 - It's the Insulin, stupid!
Pre-order The Hunger Code at www.doctorjasonfung.com. Check out hunger management tools at www.drinkaeira.comStop counting calories. If 'Calories In, Calories Out' really worked, why do those dietsfail 99% of the time? In this video, Dr. Jason Fung explains why obesity is not acaloric imbalance, but a hormonal imbalance—specifically involving insulin.Most people believe that weight gain is a perso
The Obesity Code Lecture (Why do we get Fat?) Part 1
Unlocking the code of why obesity became such a massive epidemic since the 1970s. A scientific exploration with a surprising conclusion of how obesity developed. Practical tips on weight management and good health. Why calorie counting fails for many people. Check out my blog at https://medium.com/@drjasonfungMore Information:BOOKS:The Obesity Code - Reviewing underlying physiology of weight loss
'Eat Fewer Calories' is the WORST diet plan, ever!
Your body has complex biological systems that influence hunger, metabolism, insulin, fat storage, and energy use. Understanding these systems may help explain why losing weight can sometimes feel difficult—and why sustainable weight management may require looking beyond calories alone.In this video, we explore the science and ideas behind Automatic Weight Loss and how the body's metabolic state ca
Should you take Calcium Supplements?🤔
Do calcium supplements prevent osteoporosis? Are they harmful? The difference between calcium in food and supplements. A cautionary tale of how bad science led to widespread use of a potentially toxic substance - the calcium supplement. 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
Why almost 80% of my patients are quietly quitting Ozempic
Are weight-loss drugs like Ozempic, Wegovy, and Tirzepatide truly miracle cures? In this in-depth video, Dr. Jason Fung breaks past the media hype to examine real-world data, including cohort studies from JAMA and Blue Cross Blue Shield (BHI), revealing a side of modern weight-loss treatments that few are talking about.While clinical trials paint a glowing picture, real-world statistics tell a dif
Two Big Lies about Type 2 Diabetes
The first big lie is that Type 2 Diabetes is chronic and progressive. The second lie is that treatment of blood sugar is the primary target of therapy. 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_
How to Reverse Type 2 Diabetes Naturally | Jason Fung
Reverse Type 2 Diabetes naturally, without medications. It is a curable disease, but as a dietary disease, it demands a dietary treatment. The principles including fasting and weight loss are outlined. Dietary modification is the cornerstone of reversing type 2 diabetes. Check out my blog at https://medium.com/@drjasonfungMore Information:BOOKS:The Obesity Code - Reviewing underlying physiology o
As good as Ozempic? Tools for Managing Hunger
Check out www.drinkaeira.com. I don't own any part of the company or get paid commission. Neither is this a sponsored video. Most people believe that counting calories is the key to weight loss, but that is a major misconception. The real secret to lasting weight loss isn't about calories—it's about controlling hunger. Drugs like Ozempic and GLP-1 agonists have proven this by targeting appetite, b
Is Salt Bad for You? (Shocking)
Is salt bad for our health? Should we follow a low salt diet? An in-depth analysis of available data and the surprising conclusion. A low salt diet does not lead to less heart disease or stroke. 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.amazo
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 mod
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 myt
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 unde
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 healt
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:/
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