Longevity UnmaskedLongevity Unmasked

Question 126 of 433

How much fiber do I need?

Colorful grain bowl with beans and greens on a sunny table

The short answer

At least 25 to 35 grams a day. Most Americans get about 15.

Fiber lowers cholesterol, steadies blood sugar, feeds helpful gut bacteria, and keeps you full. Higher fiber intake is linked to 15 to 30 percent lower rates of heart disease, stroke, diabetes, colon cancer, and death. Beans, lentils, oats, berries, vegetables, nuts, and seeds are the main sources. Increase gradually and drink water, or your gut will complain.

“This book is for education. It is not medical advice, and reading it does not make you my patient or create a doctor-patient relationship.” From the book’s medical disclaimer. Full disclaimer

Evidence scope
HUMAN TRIALS for selected risk factors; OBSERVATIONAL for fiber intake and mortality associations.Evidence grade (draft mapping)CObservationalPart 9, Q126 · Part sources
All of Part 9

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