The GutFit Nutrition Podcast

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

Irritable Bowel Syndrome

Gut Health

Gut Microbiome

IBS

Low FODMAP Diet

Endurance Running

Gut-Brain Axis

Colorectal Cancer

Perimenopause

Microbiome

Circadian Rhythm

Pelvic Floor

Fodmaps

Sleep

Body Composition

Performance Nutrition

Irritable Bowel Syndrome (IBS)

Fiber

Physical Activity

Carbohydrate Loading

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 ... more

8 ratings

Publishes	Weekly	Episodes	59	Founded	a year ago
Number of Listeners		Categories	Health & FitnessNutrition

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Latest Episodes

59: Boston Marathon PB With Zero GI Issues — Cindy's Story

Does it feel like gut issues or digestive stress show up at the worst possible time in your training or on race day?

If you’re a runner who has ever worried about how your gut might react during a race, I think you’re really going to relate to today... more

4 Jul 2026 • 44 min

YouTube

58: Hyrox Race Recap — Nutrition, Performance & GI Support

In this episode, I’m taking you behind the scenes of my full Ottawa Hyrox race weekend, 2 days out all the way through race day and recovering after as a gut health Dietitian and endurance athlete.

The thing with endurance athletes including both l... more

27 Jun 2026 • 32 min

57: Can You Trust AI For IBS & Gut Health Advice?

While AI can be a helpful tool, it lacks the clinical experience to make nutrition therapy recommendations, regulation and accountability and ability to assess safety of a recommendation.

In today’s episode, we will discuss the main risks and consid... more

19 Jun 2026 • 31 min

56: Your 6-Step IBS Relief Plan (Masterclass Recap & Q/A)

In this episode, I’m recapping highlights from my live masterclass, Break Free From IBS: Your 6-Step Roadmap to Lasting Relief.

If you missed it, don’t worry! I’ve pulled together the most important takeaways and I’ll be answering some of your top ... more

12 Jun 2026 • 42 min

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Recent Guests

Nicole Dynan

Founder and Director of The Gut Health Dietitian in Australia

The Gut Health Dietitian

Episode: 52: Why Your Gut Changes in Your 40s (and What to Do About It) With Nicole Dynan RD

Tamara Deuker Freuman

Registered Dietitian specializing in digestive symptoms and disease

New York University (former), GI practice experience

Episode: 47: Nickel Allergy & IBS: The Connection You Need to Know

Dr. Zuri Murrel

Colorectal surgeon and colorectal cancer advocate

Cedars-Sinai Medical Center

Episode: 40: Colorectal Cancer Under 50? A Surgeon Breaks Down the Rise in Young People & How to Lower Risk

Marlee Hamilton

Registered dietitian, team lead at Ignite Nutrition

Ignite Nutrition

Episode: 36: Runny Nose, Fatigue, Bloat, Rashes? Unpacking Histamine Intolerance & the IBS Link

Christa Biegler

Private practice clinician who shares her health journey and expertise on adrenals, cortisol, and thyroid

Private practice clinician

Episode: 35: Cortisol, Burnout and Adrenal Fatigue— What's Really Happening? Sifting Myth from Fact

Christine Gemmell

Dietitian with private practice in Ontario focusing on athletes and performance nutrition

Eminence Nutrition

Episode: 30: Is Underfuelling Wrecking Your Gut? Understanding RED-S and Low Energy Availability

Trista Chan

Registered dietitian and women's health expert

Episode: 29: High Intensity Training For a Happy Gut & Balanced Hormones

Anouk Martini

Registered Dietitian at Intoleran

Intoleran

Episode: 25: Food Intolerances in IBS & How To Use Enzymes with Anouk Martini, Intoleran Dietitian

Julia Chien

Registered dietitian from Vancouver, BC, specializing in eczema, gut health, and inflammatory conditions

Private practice in Vancouver, BC

Episode: 23: Gut-Skin Connection — Healing Eczema and Fungal Skin Rashes Beyond Steroids & Medications

Host

Leigh Merotto

Registered Dietitian, gut health expert, and host of a nutrition-focused show; specializes in IBS, gut health optimization, and endurance nutrition.

Reviews

5.0 out of 5 stars from 8 ratings

Hidden gem
Great variety of guests and topics
Apple Podcasts
5
EricOfUnlockedNutrition
Canada8 months ago
Great gut health podcast
This podcast does a great job breaking down complex gut health topics into clear, actionable takeaways. A must-listen if you’re trying to understand how your gut affects everything from digestion to mood!!
Apple Podcasts
5
callieknutrition
United Statesa year ago
Great show
Awesome- thank you for the excellent gut health and ibs tips.
Apple Podcasts
5
Anna6407
Canadaa year ago
Great podcast
Excellent! Loved tuning in to learn more about what I can do for my IBS.
Apple Podcasts
5
Danny6409
Canadaa year ago

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Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Great for listeners juggling digestion and fitness.

Covers IBS topics with clear, actionable guidance.

Consistently helpful with evidence-based tips and coaching options.

A well-researched, practical gut health resource.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts	#193	United Kingdom/Health & Fitness/Nutrition
Apple Podcasts	#195	Canada/Health & Fitness/Nutrition
Apple Podcasts	#184	Italy/Health & Fitness/Nutrition
Apple Podcasts	#88	Indonesia/Health & Fitness/Nutrition
Apple Podcasts	#162	Norway/Health & Fitness/Nutrition
Apple Podcasts	#179	Israel/Health & Fitness/Nutrition

Talking Points

Recent interactions between the hosts and their guests.

14: Training With Pelvic Floor Dysfunction – How to Build a Safe, Effective Plan

Q: When should people seek professional help rather than DIY?

If symptoms persist or impact daily life, it's worth booking a professional to prevent worsening conditions; a clarity call can help determine the right approach and avoid doing things that may worsen the issue.

14: Training With Pelvic Floor Dysfunction – How to Build a Safe, Effective Plan

Q: How should someone start addressing pelvic floor issues in a safe, progressive way?

Begin with nervous-system regulation and diaphragmatic breathing to relax the pelvic floor, then do rehab-style programming that targets the muscles around the pelvis, gradually progressing to integrated movement and strengthening within functional tasks like squats and lunges.

14: Training With Pelvic Floor Dysfunction – How to Build a Safe, Effective Plan

Q: What does a pelvic floor actually do and what are the common signs of dysfunction?

The pelvic floor holds in urine and stool, provides pelvic and spinal stability, and is involved in sexual function. Dysfunction can show up as leaking, difficulty fully emptying the bladder or bowels, pelvic or hip pain, back pain, and even intimacy issues.

13: Digestive Distress and Period Pain: The IBS–Endometriosis Link Explained

Q: Can you explain simply what endometriosis is and why it overlaps with IBS?

Endometriosis is a chronic inflammatory condition where endometrial-like tissue grows outside the uterus, causing pain and systemic immune activation. Because it can affect the gut and interact with the gut-brain axis, many people experience digestive symptoms that resemble IBS, leading to diagnostic confusion and a need for integrated management.

12: Should I Use Digestive Enzymes For Meals That Could Trigger My IBS or Gut Symptoms?

Q: I've never tried digestive enzymes to reduce bloating before having a meal I know may cause symptoms. Should I be doing this? And if so, which ones?

The host explains that enzymes can be helpful if you have documented intolerances such as lactose intolerance or specific FODMAP intolerances, particularly lactose with lactase enzymes or a targeted FODMAP enzyme like FODZYME. She emphasizes confirming intolerances through the FODMAP reintroduction process before relying on enzymes, and notes that general digestive enzymes are not usually necessary unless there is a clear, specific intolerance. For suspected pancreatic issues, prescription enzymes may be required rather than over‑the‑counter options.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

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Frequently Asked Questions About The GutFit Nutrition Podcast

What is The GutFit Nutrition Podcast about and what kind of topics does it cover?

A gut-health focused show that centers on IBS, digestion, and performance nutrition. Episodes blend evidence-based guidance with actionable strategies for managing gut symptoms, improving microbiome health, and fueling endurance training. A recurring emphasis is practical, sustainable changes over fad diets, with topics ranging from menopause-related gut shifts and travel IBS triggers to weight management, colon health, and debunking social-media trends. Coaching programs and rooted coaching approaches are frequently promoted, suggesting a strong service-oriented angle for listeners seeking personalized support. Notable for its clear, science-backed guidance delivered by a registered dietitian who also runs long distances, the show mixes cl... more

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How many listeners does The GutFit Nutrition Podcast get?

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Which podcasts are similar to The GutFit Nutrition Podcast?

These podcasts share a similar audience with The GutFit Nutrition Podcast:

1. The Dr. Hyman Show
2. The Gut Insiders
3. Everyday Wellness: Midlife Hormones, Menopause, and Science for Women 35+
4. The Mel Robbins Podcast
5. Bite Back with Abbey Sharp

How many episodes of The GutFit Nutrition Podcast are there?

The GutFit Nutrition Podcast launched a year ago and published 59 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

How do I contact The GutFit Nutrition Podcast?

Our systems regularly scour the web to find email addresses and social media links for this podcast. We scanned the web and collated all of the contact information that we could find in our podcast database. But in the unlikely event that you can't find what you're looking for, our concierge service lets you request our research team to source better contacts for you.

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What guests have appeared on The GutFit Nutrition Podcast?

Recent guests on The GutFit Nutrition Podcast include:

1. Nicole Dynan
2. Tamara Deuker Freuman
3. Dr. Zuri Murrel
4. Marlee Hamilton
5. Christa Biegler
6. Christine Gemmell
7. Trista Chan
8. Anouk Martini

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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