Expert Videos by Jason Fung, MD
Cutting Calories Doesn't Work - It's simple Algebra
Dr. Jason Fung Explains the Truth About Weight Loss & Insulin!
The REAL Keys to Longevity - 2 Key Factors
Dr. Jason Fung breaks down the most crucial factors for living a long and healthy life—and it’s not all about cholesterol!
Reversing Type 2 Diabetes with Fasting Variations
Dr. Fung dives into reversing type 2 diabetes using fasting variations.
The Body Fat Thermostat - How it Works
Dr. Fung dives deep into the science of weight loss
Metabolic Flexibility and How the Lumen Device Can Help With Fasting
Metabolic Flexibility with Dr. Jason Fung
Why the Body Set Weight changes EVERYTHING about weight loss
Dr. Jason Fung dives into the fascinating concept of the body’s set weight.
Fast vs. Slow Carbs - Why it Matters - It's the Insulin
Dr. Jason Fung breaks down how all carbs are not the same.
5 ways to naturally boost the 'Ozempic Effect'
Discover natural ways to boost your weight loss by understanding the Incretin hormones like GLP-1 and GIP.
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Changing Fast Carbs to Slow Carbs for Weight Loss
Discover the secrets behind carbohydrates and weight loss!
How Ozempic Works For Weight Loss
Whether you're considering Ozempic as part of your weight loss journey or simply want to learn more about its benefits, this video has got you covered!
Eat Less Refined Carbs for Weight Loss
Discover the secrets to weight loss and better health by cutting refined carbohydrates!
Why we're Magnesium Deficient and How to Supplement
Delve into the staggering fact that 50-85% of Americans miss out on the recommended magnesium levels, potentially paving the way for heart disease and more.
Fasting Can Reverse Type 2 Diabetes
In this eye-opening video, we delve into the powerful evidence that fasting can reverse Type 2 Diabetes
Cutting Calories for Weight Loss - A Scientific Appraisal
Dr. Fung reviews the scientific evidence and explains that cutting calorie strategies do not work.
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Easy Guide to Intermittent Fasting
A practical beginners guide to getting started.
Type 2 Diabetes Remission - Top 5 Keys
Dr. Jason Fung reviews his top 5 keys to reversing type 2 diabetes
Green Tea Helps Weight Loss (2023)
Dr. Jason Fung reviews 4 different ways that green tea helps weight loss. The effects are small, but any help is welcome.
Top 5 Intermittent Fasting Advantages
Intermittent fasting offers many advantages for weight loss. Primarily, it is a powerful tool. Dr. Jason Fung reveals his top 5 advantages.
Intermittent Fasting Problems and Solutions - Top 5
There are many potential problems when you start with intermittent fasting. I cover the top 5 problems we see.
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Intermittent Fasting Myths - Top 5
Dr. Jason Fung covers the most important myths about intermittent fasting and why they are not true.
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Top 5 Intermittent Fasting Mistakes
Dr. Jason Fung reviews the top 5 mistakes made when doing intermittent fasting for weight loss and type 2 diabetes. This includes overeating after the fast, eating the wrong diet, doing it alone, triggers and environment.
Hacking Your Metabolism for Weight Loss
The respiratory quotient measures whether your body is burning sugar or fat for energy, and now there's a simple device (Lumen) to check it. Dr. Jason Fung explains how it allows you to understand how your diet is affecting your metabolism.
Metabolic Syndrome is caused by Hyper-Insulinemia
Hyperinsulinemia can be reversed by changing the diet.
Intermittent Fasting - Busting the Myths Lecture
A 45 minute lecture on some of the myths and truths of intermittent fasting.
What causes Insulin Resistance?
Dr. Jason Fung explains that in biologic systems, persistent exposure causes resistance due to the near universal phenomenon of homeostasis. Insulin resistance is caused by hyperinsulinemia, which results in more hyperinsulinemia in a vicious cycle.
Why Fructose Causes Insulin Resistance
Fructose is much more dangerous for weight gain and diabetes compared to an equal amount of glucose. This is due to the way fructose is metabolized exclusively in the liver and its propensity to cause insulin resistance.
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How Intermittent Fasting Boosts Immunity
How intermittent fasting can boost the immune system and prevent serious COVID-19 disease.
Reversing Type 2 Diabetes
A scientific lecture given at the University of Western Ontario about the new paradigm of insulin resistance. Understanding insulin resistance leads to ideas of how to reverse insulin resistance and then type 2 diabetes.
Can Fasting Help Reverse Kidney Disease (2022)
Dr. Jason Fung explains whether fasting can reverse kidney disease.
Science of Intermittent Fasting (2022)
The science of how intermittent fasting works for weight loss.
Testosterone and Weight Loss
Dr. Jason Fung reviews the science of how hormones like testosterone can be important in the development of obesity and why testosterone replacement might be important for weight loss.
The Evolving Paradigms of Cancer
Dr. Jason Fung discusses the origins of cancer.
How Vinegar Helps Weight Loss
The addition of acids like vinegar, lemon juice and fermented foods to carbohydrates can significantly reduce the insulin and glucose effect and therefore their fattening effect. Learn about the salivary amylase hypothesis of how this works.
Benefits of the Fasting Mimicking Diet (Podcast)
Discussion of benefits of fasting with Dr. Joseph Antoun.
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Why Food Order Matters
Dr. Jason Fung reviews the studies showing how the order in which you eat your food plays a huge role in the metabolic effect.
How Getting Enough Sleep Helps You Lose Weight
Why sleep can affect weight loss success. New studies demonstrate that increasing sleep in sleep deprivation can make make you less hungry and eat less, resulting in weight loss.
Intermittent Fasting and Insulin Like Growth Factor-1
Exploring the science of fasting and the relationship between IGF-1 and disease and longevity. How growth hormone is related to IGF-1 and ideal levels of insulin like growth factor 1.
Top 3 Breakfast Mistakes
Dr. Jason Fung discusses common breakfast misconceptions.
Exercise while Fasting - How to time your workouts with fasting
Dr. Jason Fung answers common questions about fasting and exercise.
How to Make Intermittent Fasting EASY (3 Tips)
Dr. Jason Fung shares 3 key tips.
The Science of Metabolic Syndrome
Dr. Jason Fung explains the science of metabolic syndrome.
TFM Client Transformation: Linda's Success!
How Linda transformed her health with Intermittent Fasting.
Extended Fasts - Top 5
Dr. Jason Fung lists his top 5 reasons to consider adding an extended fast.
The Importance of Weight Loss Systems
Dr. Jason Fung explains what weight loss systems are.
Fasting and Longevity
Dr. Jason Fung reviews the mechanisms of how fasting increases longevity.
How to Build a Fasting Routine to Maintain Weight Loss
Learn how to properly build a fasting routine from Dr. Jason Fung.
Does Exercise Make Us Hungry?
Dr. Jason Fung looks at the science behind exercise and hunger.
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How to Slow Down Aging
Dr. Jason Fung explores the different theories of aging.
Does Intermittent Fasting Cause Eating Disorders?
Eating disorders, anorexia and bulimia are serious conditions but are not caused by intermittent fasting. Scientific studies reveal that there is no increase in eating disordered behavior when people start a diet or do intermittent fasting.
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Intermittent Fasting Reduces Cardiac Risk
Dr. Jason Fung discusses recent research into some of the many benefits of fasting.
Why Salt Does NOT Increase Risk of Heart Disease
Is a low salt diet really healthy? The surprising result of decades of clinical research is that when looking at hard outcomes, a low salt diet may actually increase the risk of heart disease.
A Beginners Guide To Weight Loss
A framework of how to lose weight.
Is Salt Actually Bad For You?
Does eating salt cause high blood pressure? The surprising truth behind the low salt diet.
What is Insulin?
Dr. Jason Fung discusses how insulin resistance develops.
Intermittent Fasting Benefits Alzheimer's
Intermittent fasting may potentially help prevent Alzheimer's disease.
Intermittent Fasting for Type 2 Diabetes (Step by Step)
Dr. Jason Fung explains why intermittent fasting works and the simple step by step instructions.
Weight Loss (Hormones vs Calorie Counting)
Dr. Jason Fung explains why calorie counting so often leads to failed weight loss.
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The Secrets to Weight Loss
Weight loss is much more than simply knowing what to do. It's about being able to do it. At The Fasting Method, we discuss the three pillars of weight loss.
Dealing With Hunger During Intermittent Fasting (3 Keys)
How do you deal with hunger during intermittent fasting?
Simplified Explanation of Weight Loss
A simple explanation of why weight loss is more than just calories.
Snacking - The Cardinal Sin of Weight Loss
Dr. Jason Fung discusses three major reasons why snacking sabotages weight loss.
Fasting: Don't Make this Critical Mistake
What is the biggest fasting mistake we see in clinic?
Why You're Cutting Calories but NOT Losing Weight
Dr. Jason Fung explains the hormonal science of weight loss.
End Intermittent Fasting Right
Dr. Jason Fung discusses how to properly break a fast as well as the re-feeding syndrome, what it is and why you need to know.
Fasting and Blood Glucose
Dr. Jason Fung explains what happens to blood glucose during fasting.
Why all Diets Work...For a While
Dr. Jason Fung reveals the secret behind most diets and how understanding this can lead to insights into the obesity epidemic.
Different Ways to Fast for Weight Loss
Dr. Jason Fung discusses 8 different ways that you can change up your fasting routine for weight loss.
Processed Vs. Natural Foods
Processed foods play a huge, largely under recognized role in obesity and weight gain. Processed foods cause obesity as our bodies often over eat these foods. There are no natural satiety signals in these processed foods. Fasting often helps us get around the problem of processed foods.
Is Skipping Breakfast Healthy
Skipping breakfast is often considered a very unhealthy choice. But is this really true? Does skipping breakfast cause weight gain? Dr. Jason Fung reviews the scientific evidence behind the breakfast question to reveal the key takeaways.
TFM Client Transformation: Christine's Success!
How Christine transformed her health with Intermittent Fasting.
Vacation Weight Loss Plan
What is the best vacation weight loss plan? Most people gain weight over the holidays or during a vacation. It’s important to lose that weight as soon as possible. Dr. Jason Fung shares three key tips for vacation weight loss plans. First, don’t wait. Second, it’s not business as usual. Third, hit it hard and hit it fast. Extended fasting may be useful here.
TFM Client Transformation: Mark's Success!
How Mark transformed his health with Intermittent Fasting.
The Key Factors of Weight Loss
Weight gain and obesity, like any medical disease, is multifactorial. This means that there are many factors that cause weight gain and it’s important to identify those factors that contribute in your own specific case.
How Doctors Lose Weight
How do doctors lose weight? For their patients, doctors often advise following standard diets, but when trying to lose weight themselves, doctors use completely different strategies. Learn what the pros do to lose weight.