The Real Cause of Weight Gain (It's NOT Willpower) episode artwork

EPISODE · Sep 10, 2026 · 28 MIN

The Real Cause of Weight Gain (It's NOT Willpower)

from Jason Fung · host Jason Fung

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?In this conversation, Dr. Jason Fung sits down with Julia from Ancestral Supplements to explore the hormonal model of weight gain, insulin, ultra-processed foods, and how modern eating patterns may influence metabolism.Topics discussed:• Why “calories in, calories out” may be incomplete• Insulin as a key metabolic hormone• How processed foods can affect hunger and satiety• The difference between whole foods and refined foods• Understanding insulin sensitivity• The role of nutrient density in traditional dietsWeight regulation is complex and involves more than simple math. This discussion explores how hormones, food quality, and dietary patterns may play a role.If you found this conversation helpful, consider sharing it with someone who may benefit from hearing it.—Learn more about Ancestral Supplements:https://www.AncestralSupplements.comFollow Ancestral Supplements on Instagram:https://instagram.com/AncestralSupplementsFollow Julia on Instagram:https://instagram.com/JuliaTheNutritionist—This content is for educational purposes only and is not intended as medical advice. Statements regarding dietary supplements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. Learn more about your ad choices. Visit megaphone.fm/adchoices

Episode metadata supplied by the publisher feed · Published Sep 10, 2026

Embed this episode

Ready to play

The Real Cause of Weight Gain (It's NOT Willpower)

0:00 28:44

No transcript for this episode yet

We transcribe on demand. Request one and we'll notify you when it's ready — usually under 10 minutes.

No similar episodes found.

Frequently Asked Questions

How long is this episode of Jason Fung?

This episode is 28 minutes long.

When was this Jason Fung episode published?

This episode was published on September 10, 2026.

Can I download this Jason Fung episode?

Yes. Use the download control on the episode player to save the publisher-provided media file.
URL copied to clipboard!