How does fiber contribute to satiety?
Fiber contributes to satiety through two primary mechanisms: it increases gastric volume by absorbing water and expanding in the stomach, which signals fullness without adding calories. Additionally, fiber fermentation in the gut stimulates the release of appetite-suppressing hormones like GLP-1 and PYY, which communicate with the hypothalamus to signal that you are full.
✦
This is one answer. The complete system — the psychology, the biology, and the method — is in the book.
Read The Willpower Lie →Found an error? Let me know →