Jason Fung, MD
Founder

Jason Fung, MD

Dr. Jason Fung is a Toronto-based nephrologist (kidney specialist) and an expert on intermittent fasting and low-carbohydrate diets, having medically supervised thousands of patients.

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Dr. Fung earned his medical degree from the University of Toronto, and completed his residency at the University of California, Los Angeles.  His groundbreaking science-based books – The Diabetes Code, The Obesity Code, and The Complete Guide to Fasting – have sold over one million copies and challenged the conventional wisdom about type 2 diabetes, weight loss, and intermittent fasting.  Dr. Fung is cofounder of The Fasting Method and scientific editor of the Journal of Insulin Resistance.  He currently practices in Toronto, Canada.  His work on fasting has been cited by CNN, the New York Times, The Atlantic, Forbes, the New York Post, the Toronto Star, and many other media outlets.