DiscoverThe GutFit Nutrition Podcast32: Which Probiotic Really Helps IBS? Here's What the Science Says
32: Which Probiotic Really Helps IBS? Here's What the Science Says

32: Which Probiotic Really Helps IBS? Here's What the Science Says

Update: 2025-11-21
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Today we’re diving into a question that always comes up at my live events and in my community: “What’s the best probiotic for IBS?”

It’s such a common question — and honestly, the truth might surprise you. So, let’s unpack what’s really going on when it comes to probiotics, IBS, and gut health.

⏱️ Chapters: 

  • (0:00 ) — Welcome to the GutFit Nutrition Podcast 
  • (1:48 ) — What are Probiotics? 
  • (2:41 ) — Food Sources vs. Supplement Sources of Probiotics
  • (3:15 ) — The Microbiome & IBS: Why Probiotics Come Up
  • (4:21 ) — Why One Probiotic Can’t Fix All IBS Types
  • (6:36 ) — Evidence-Based Probiotics: What Research Supports
  • (7:50 ) — Key Strains Studied for IBS Symptoms
  • (12:52 ) — Are Probiotics Necessary for IBS?
  • (13:42 ) — Lifestyle Foundations for a Healthy Microbiome
  • (15:22 ) — Food Foundations: Fiber, MACs & Fermented Foods
  • (19:24 ) — Fat Quality & Creating a Gut-Friendly Environment
  • (20:35 ) — The Big Picture: What Actually Moves the Needle for IBS
  • (21:11 ) — Closing: Gut Harmony Method Program & Final Takeaways


👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

📌 Benefits of Fermented Foods

📌 Episode 16: Gut Check– Is Your Microbiome Holding Back Your Fitness Goals?

📌 Eating for a Healthy Microbiome


✉️ CONNECT WITH ME: ⤵️

📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠

🎁 ⁠⁠⁠Grab a Freebie!⁠⁠⁠ 

🖥️ ⁠⁠ Shop the Resource Suite⁠⁠⁠

👩🏻‍⚕️ ⁠⁠⁠Apply For Coaching⁠⁠⁠

If the GutFit Nutrition Podcast is giving you value - helped your digestion and fitness, made you rethink how you approach your gut health, please consider leaving a review! 🎧 

If you have questions for my listener Q & A episodes, you can submit them here, or send me an email at ⁠leigh@leighmerotto.com⁠. See you soon!

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32: Which Probiotic Really Helps IBS? Here's What the Science Says

32: Which Probiotic Really Helps IBS? Here's What the Science Says

Leigh Merotto, Dietitian | IBS, Gut Health and Fitness Expert