Should you be fibermaxxing? Here's what the science says
May 13, 2026 · 12m
Summary
Host Emily Kwong explores the social media trend of "fiber maxing" with gastroenterologist Dr. Berkley Limkakeng Jr. They discuss why most Americans are fiber deficient and the health benefits of soluble, insoluble, and prebiotic fibers. The episode advises increasing intake gradually through whole foods like fruits, vegetables, and whole grains rather than relying on supplements or trendy sodas. Listeners are urged to find a balanced, individualized approach to avoid digestive issues and nutrient deficiencies.
Topics discussed
Intro: Tiny Desk Contest Tour and Shortwave welcome
The 'Fiber Maxing' trend and why Americans lack fiber
Sponsors: Edward Jones and NetSuite
Dr. Limkakeng on fiber benefits and microbiome effects
Soluble vs. insoluble fiber and prebiotics explained
Best ways to increase fiber: whole foods vs. supplements
Prebiotic sodas and the risks of extreme fiber intake
How to safely increase fiber and find your balance
Outro: Listener questions and production credits
NPR support appeal and promos for Up First and Planet Money
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