Podcast: Fiber Maxxers v Fiber Haters. Who Has Science On Their Side?

By Cameron English and ChuckDinerstein — Oct 30, 2025

How much fiber do you really need to maintain optimal metabolic health? Ferocious partisans on either side of the debate will give you opposing answers, each supported by superficially compelling scientific evidence. But who's actually telling you the truth? It's complicated.

Image: ACSH

Join Cameron English and Dr. Chuck Dinerstein on Episode 142 of the Science Dispatch podcast as they discuss the fiber wars:

The Fiber Debate: Could Skipping It Be a Health Hack?

Is fiber the gut’s guardian angel or an over-hyped plant pulp we can happily skip? While carnivore enthusiasts swear their bellies have never been calmer since abandoning fruits, veggies, and grains, #fibermaxxing devotees are tossing chia seeds on everything. Before you trade your oatmeal for rib-eye (or vice-versa), where do the facts really fall on this crunchy controversy?

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Cameron English

Director of Bioscience

Cameron English is a writer, editor and co-host of the Science Facts and Fallacies Podcast. Before joining ACSH, he was managing editor at the Genetic Literacy Project.