E134: Dr. Katrina Coulter on Gut Health, Antibiotics, and How to Feed Your Microbiome Right

Welcome to the Get Healthy Tampa Bay Podcast with Dr. Kerry Reller! This week, I am joined by Dr. Katrina Coulter, an infectious disease specialist with a passion for microbiome health. In this episode, we dive into the world of gut health—what the microbiome is, how it protects us, and what damages it. Dr. Coulter shares how antibiotics, processed foods, and modern farming impact our gut bacteria, and what you can do to protect and restore it. From fermented foods to fiber and movement, she offers science-backed strategies to build a resilient microbiome—before and after antibiotic use. Tune in to learn how to nourish your gut and improve your immune health from the inside out.



0:52 – What is the microbiome?
3:38 – How your gut bacteria act as a frontline defense
6:43 – What disrupts the microbiome and raises infection risk
9:05 – What your gut really wants: feeding the good bugs
11:34 – Cravings and the gut-brain connection
14:38 – Antibiotics: necessary but not harmless
20:23 – Lifestyle tips for chronic UTIs and sinusitis
28:26 – How to recover your gut after antibiotic use
34:58 – Soil health, farming, and food quality explained
45:17 – Dr. Coulter’s top 4 tips for microbiome health

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