Rhonda Patrick on Fiber
9 episodes · 12 references · 2015–2025
- Patrick views fiber as critically important for gut health, immune regulation, and metabolic function, emphasizing that modern diets are severely lacking in diverse fiber sources. - She highlights both soluble and insoluble fiber benefits including gut barrier strengthening, blood glucose modulation, and toxin binding. - No evidence of personal consumption or specific supplementation; no cautions or risks discussed.
Benefits
- Gut bacteria metabolize fiber into signaling molecules that regulate the immune system; soluble fiber strengthens the gut wall and prevents leakiness linked to insulin resistance and diabetes. - Fiber slows glucose response, promotes satiety, and insoluble fiber ensures timely waste passage through the GI tract. - Fiber-rich foods bind lipophilic toxins like BPA and phthalates, reducing absorption; fermentable fiber (inulin) reduced influenza mortality in mice.
Best Practices
- Patrick cites Mayo Clinic guidelines recommending at least 38g of fiber per day for men and 25g per day for women. - Emphasizes diversity of fiber sources rather than a single type for maximum benefit. - Notes coffee delivers up to 2g of soluble fiber per cup alongside beneficial polyphenols.
“When you feed your gut fiber, there's certain bacteria that metabolize the fiber into signaling molecules that actually totally regulate your immune system.”
Rhonda Patrick interviews Rich Roll on the Environmental Impact of Food, and a Plant-Based Diet
“Soluble fiber provides a viscous barrier between food and the gut wall, and is metabolized by gut bacteria to feed the gut wall, making it stronger.”
CHORIBar in Focus: Nurturing the Gut Barrier with Fiber
“Strengthening the gut barrier with fiber can help prevent gut leakiness and chronic inflammation associated with weight gain, insulin resistance, and diabetes.”
CHORIBar in Focus: Nurturing the Gut Barrier with Fiber
“The fiber is slowing that glucose response and causing some satiety as well.”
Dr. Ben Bikman: How To Reverse Insulin Resistance Through Diet, Exercise, & Sleep
