RHR: Fibermaxxing: Why the Internet's Hottest Gut Health Trend Gets It Half Right

In this episode of Revolution Health Radio, Chris takes a deep dive into the science of dietary fiber, fiber supplements, and microbiome health. He explains why the benefits seen in high-fiber diets may come from whole foods rather than isolated fiber supplements, and why aggressively increasing fiber intake can worsen bloating, gas, and gut dysfunction for some people. He explores the latest research on fiber, short-chain fatty acids like butyrate, gut permeability, and microbiome balance while unpacking the limitations of observational nutrition studies. He also shares practical strategies for improving fiber tolerance, supporting digestive health naturally, and choosing safer approaches for sensitive guts. In this episode we discuss: What the "fibermaxxing" trend gets right—and wrong Why whole-food fiber and isolated fiber supplements are not equivalent The importance of short-chain fatty acids like butyrate for gut health Why microbiome diversity influences fiber tolerance Common symptoms caused by excessive fermentable fiber intake Differences between soluble and insoluble fiber Surprising research linking high fiber intake with diverticulosis prevalence Safer supplemental options for sensitive guts Show notes: "Short chain fatty acids in human gut and metabolic health" by Blaak, E. E., et al "Intestinal fatty acid-binding protein and gut permeability responses to exercise" by March, D. S., et al "A high-fiber diet does not protect against asymptomatic diverticulosis" by Peery, A. F., et al "Diet and supplements and their impact on colorectal cancer" by Pericleous, M., Mandair, D., & Caplin, M. E. "Carbohydrate quality and human health: a series of systematic reviews and meta-analyses" by Reynolds, A., et al "Probiotics and prebiotics in intestinal health and disease: from biology to the clinic" by Sanders, M. E., et al If you'd like to ask a question for Chris to answer in a future episode, submit it here Follow Chris on Instagram or Facebook Add back in what the modern world has crowded out and feel and perform your best with Adapt Naturals supplements. Learn more and place your order at AdaptNaturals.com. If you appreciate the show and want to help create a healthier and happier world, consider leaving a review!