Fasting Q&A with Dr Jason Fung: Fasting & Diet for Autoimmune Conditions, Vegan/Vegetarian Diets, and More

The Fasting Method Podcast

Episode #213

In this Fasting Q&A episode, hosted by Coach Lisa Chance, Dr. Jason Fung answers questions from the TFM Community:

1. Can you compare T1D, T2D, LADA, and MODY? [01:52]
2. What are the best fasting protocols and diet for autoimmune conditions? [11:40]
3. Is it possible to be successful if you eat mostly vegan/vegetarian, as I worry about the higher carbs with this type of eating? [13:44]
4. Does each hour you fast have added benefits? [20:44]
5. A recent study done by University of Colorado Boulder confirms that metabolically healthy women tend to experience menopause later, with the study linking later menopause (age 55+) to better vascular health and reduced heart disease risk. Could you discuss how this research connects metabolic health factors like mitochondrial function and insulin sensitivity to delayed menopause onset and improved cardiovascular outcomes? [25:44]

LINKS

University of Colorado Boulder article “Later-onset menopause linked to healthier blood vessels, lower heart disease risk”

https://www.sciencedaily.com/releases/2025/02/250205131905.htm

Dr. Fung’s YouTube video “How to Eat and Fast around the Menstrual Cycle and Perimenopause”

https://www.youtube.com/watch?v=9j4AX9WxWHY&t=379s

#202 Fasting Q&A with Dr Jason Fung: Fasting and Insomnia, Autophagy Research, HDL/Trigs Ratio, Perimenopausal Weight Gain, Weight-Loss Stalls, and More.

https://www.thefastingmethod.com/fasting-qa-with-dr-jason-fung-fasting-and-insomnia-autophagy-research-hdl-trigs-ratio-perimenopausal-weight-gain-weight-loss-stalls-and-more/

Please note that you need to be a member of the TFM Community to submit questions to the Q&A webinars with Dr. Fung but you can submit questions to our regular Q&A episodes here: https://bit.ly/TFMPodcastQs

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Summary Timestamps

00:00 Intro

01:52 T1D, T2D, LADA, MODY explained

11:40 Best autoimmune fasting and diet protocols

13:44 Vegan/Vegetarian diets - too high carb?

20:44 Length of fasting important?

25:44 Fasting and weight gain during perimenopause

Disclaimer

This podcast is for educational purposes only and is not a substitute for professional care by a doctor or other qualified medical professional. You should always speak with your physician or other healthcare professional before doing any fasting, changing your diet, taking or adjusting any medication or supplements, or adopting any treatment for a health problem. The use of any other products or services purchased by you as a result of this podcast does not create a healthcare provider-patient relationship between you and any of the experts affiliated with this podcast. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease.