Episode
Gut Health After 40: 4 Science-Backed Ways to Fix Your Microbiome | Dr. Karen Corbin | #148
- Podcast
- The Dr Vonda Show
- Published
- Feb 17, 2026
- Duration seconds
- 2595
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Summary
Get Dr. Vonda's latest insights on strength, bone health, longevity, and aging with power delivered straight to your inbox. Join her free health & longevity newsletter here: https://www.drvondawright.com/resources/aging-longevity I've spent years focusing on your external mobility, but I've become obsessed with the world living inside you. We used to think of the gut as just a digestion tube; now we know it's a thriving ecosystem and a metabolic pharmacy that dictates your weight, mood, and longevity. If you're doing "everything right" but still struggling with energy, the issue isn't your willpower, it's your microbiome. In this episode, I sit down with researcher Dr. Karen Corbin to decode the gut's "black box." We're moving beyond basic digestion to explore how fiber triggers the same satiety hormones as modern weight-loss injections. Stop viewing food as mere calories and start seeing it as fuel for your internal garden. It's time to stop fighting your biology and start partnering with your bacteria to design a resilient future from the inside out. What we cover: - How your gut bacteria produce Butyrate, a "magic" compound that heals the gut and lowers inflammation. - The science of how fiber and resistant starch signal your brain to feel full and satisfied. - Why ultra-processed foods are "too easy" for our bodies to digest, leading to metabolic disaster. - Why "industrial milling" is the hidden enemy of metabolic health, turning even "healthy" grains into rapid glucose spikes by making them too easy to digest. - Why your choices at dinner determine your blood sugar response to breakfast the next morning, proving that your microbiome works on a 12-to-24-hour cycle. - Understanding that because every person's "internal garden" is unique, the same "healthy" food can…