Welcome to the GutFit Nutrition Podcast with Leigh Merotto, RD, MHSc—Registered Dietitian, gut health expert, and long-distance runner. This show is your go-to resource for all things gut health, IBS, and performance nutrition. Each episode delivers evidence-based tips, tools and strategies to help you tackle IBS and digestive symptoms, fuel running and fitness, and feel your best from the inside out.
If you're ready to beat painful bloat and gut flare-ups, say goodbye to irregular poops, and thrive in your active life with whole body, REAL science-based tools — this is the show for you!
Publisher
Leigh Merotto, Dietitian | IBS, Gut Health and Fitness Expert
69: Is Your IBS Actually SIBO? What the Evidence Says About Testing & Treatment
If you have IBS and you've been told you might have SIBO, you're probably wondering what to believe. Whether you're deciding on a test, nervous about antibiotics, or tired of expensive supplements that don't help, this episode has you covered.
YOU'LL TAKEAWAY:
✅ How SIBO and IBS are connected, and the difference between SIBO and IMO
✅ Why symptoms alone can't tell you if you have SIBO, and which red flags to raise with your doctor
✅ How breath testing works, how to prepare, and why results aren't perfect
✅ Treatment options (rifaximin, the elemental diet, herbals) and how to prevent SIBO from coming back
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
📌 FREE Training: How to Heal Your IBS Without a Lifelong Low FODMAP Diet (https://gutfitnutrition.com/heal-ibs-training)
🚀 Want personalized support? Apply for 1:1 Coaching (https://gutfitnutrition.com/apply) (IBS, Gut Health + Performance)
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✉️ CONNECT WITH ME: ⤵️
📱Follow on Instagram (https://www.instagram.com/leighmerotto_rd/)
🎁 Grab a Freebie! (https://www.gutfitnutrition.com/freebies)
🖥️ Shop the Resource Suite (https://www.gutfitnutrition.com/shop-resources)
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ENJOYING THE PODCAST?
Your rating & review help this show get into the earbuds of more listeners navigating gut issues, IBS & fatigue. Scroll down in Apple Podcasts or Spotify, tap ⭐⭐⭐⭐⭐, and write one quick sentence.
Not sure what to say? Try: "I listen to this podcast because…" 🎧
10 Oct 2026
68: 17 Years of IBS-D, Then a London Trip With No Major Flares — Catherine's Story
If unpredictable bowels have made your world feel smaller, you're not alone. Whether you're afraid to travel, dread dinners out, or want to hear how someone else got her confidence back, this episode has you covered.
YOU'LL TAKEAWAY:
✅ What finally made Catherine reach out after 17 years of IBS-D and three gastroenterologists
✅ The biggest changes she made, from rethinking fiber to respecing the gut-brain connection
✅ How she prepared for traveling with IBS so her gut and mind stayed calm
✅ Her message to anyone whose world is shrinking because of their gut
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👤 TODAY'S GUEST: Catherine
Catherine is a grandmother, avid organic gardener, and alumni of my 6-month Gut Harmony Method coaching program. After 17 years of unpredictable IBS-D, she shares what changed for her and how she now travels and socializes with more confidence.
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
📌 Join FREE Training: How to Heal Your IBS Without Staying on a Lifelong Low FODMAP Diet (https://gutfitnutrition.com/heal-ibs-training)
🚀 Want to join Gut Harmony Method® & take control of your IBS? Apply for 1:1 Coaching (https://gutfitnutrition.com/apply)
🪄 Get 15% off FODZYME (https://partners.fodzyme.com/LEIGHMEROTTO_RD) with code LEIGHMEROTTO_RD
—
✉️ CONNECT WITH ME: ⤵️
📱Follow on Instagram (https://www.instagram.com/leighmerotto_rd/)
🎁 Grab a Freebie! (https://www.gutfitnutrition.com/freebies)
🖥️ Shop the Resource Suite (https://www.gutfitnutrition.com/shop-resources)
—
ENJOYING THE PODCAST?
Your rating & review help this show get into the earbuds of more listeners navigating gut issues, IBS & fatigue. Scroll down in Apple Podcasts or Spotify, tap ⭐⭐⭐⭐⭐, and write one quick sentence.
Not sure what to say? Try: "I listen to this podcast because…" 🎧
3 Oct 2026
67: Understanding Carbohydrate Intolerances in IBS (FODMAPS, Sucrose & More)
We chat all about FODMAPs and other common carb intolerances in IBS.
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Who has been a guest on GutFit Revolution
Names identified in recent episode analyses. Showing up to five guests.
Marlee Hamilton
Christa Biegler
Christine Gemmell
Anouk Martini
Julia Chien
Reach and audience
Public platform figures. Ratings count people who left a rating, not total listeners.
Apple Podcasts (US)
5.0 / 5
2 ratings
Spotify
5.0 / 5
6 ratings
Podcast Authority Score: 44 / 100
A composite of feed quality, social presence, YouTube performance and engagement. Read the methodology.
Quality
75
Social presence
0
YouTube
0
Engagement
32
Contact GutFit Revolution
Guest appearances
Does not typically book guests
Based on episode analysis; this does not confirm that the show is currently accepting guests.
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