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The GutFit Nutrition Podcast
Leigh Merotto, Dietitian | IBS, Gut Health and Fitness Expert
24 episodes
1 week ago
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!
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Nutrition
Health & Fitness
RSS
All content for The GutFit Nutrition Podcast is the property of Leigh Merotto, Dietitian | IBS, Gut Health and Fitness Expert and is served directly from their servers with no modification, redirects, or rehosting. The podcast is not affiliated with or endorsed by Podjoint in any way.
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!
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Nutrition
Health & Fitness
Episodes (20/24)
The GutFit Nutrition Podcast
24: Understanding the Gastrocolic Reflex and Your IBS — Managing Urgency After Eating

Ever finished a meal and almost instantly, you have to run to the bathroom? 

In episode 24, we break down what’s happening in your body—specifically the gastrocolic reflex—and what you can do to calm it down!

⏱️ Chapters: 

  • (0:00) — Welcome to the GutFit Nutrition Podcast
  • (0:48) — Today’s Episode: The Gastrocolic Reflex & IBS Urgency
  • (0:53) — A Common IBS Experience: Urgency After Eating
  • (1:33) — What Is the Gastrocolic Reflex?
  • (2:32) — Why the Reflex Overreacts in IBS
  • (3:51) — Symptoms of an Overactive Reflex
  • (4:31) — Managing IBS Urgency: Dietary & Lifestyle Strategies
  • (5:27) — FODMAPs & The Role of Dietitian Support
  • (6:14) — Fiber Management for Gut Health
  • (6:50) — Peppermint Oil & Supplement Support
  • (7:14) — Individual Triggers & Personalized Care
  • (7:48) — Gut Harmony Method & Free Masterclass Invitation
  • (8:48) — Recap: Key Takeaways on the Gastrocolic Reflex
  • (9:24) — Outro

—


📌Grab Your FREE Beat the Bloat Cheet Sheat! You'll also be added to my email list to be the first to know when my next LIVE free IBS Masterclass opens up.

—


✉️ CONNECT WITH ME: ⤵️

📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠

🖥️ ⁠⁠ 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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1 week ago
10 minutes 10 seconds

The GutFit Nutrition Podcast
23: Gut-Skin Connection — Healing Eczema and Fungal Skin Rashes Beyond Steroids & Medications

If you’ve ever dealt with stubborn skin issues like eczema, seborrheic dermatitis, or other fungal skin rashes—and felt frustrated by only getting temporary relief with creams, steroids, or medicated shampoos—this episode is for you. We’ll be exploring how an imbalanced gut microbiome can show up on our skin and what it really takes to heal from the inside out.

⏱️ Chapters: 


👤 Today’s Guest:Julia Chien, RD

Julia Chien, a Registered Dietitian based in Vancouver, B.C., who specializes in supporting individuals with chronic inflammation, eczema, and digestive issues through an integrative, root-cause approach. Julia brings such a unique perspective—not only from her professional work with hundreds of clients—but also from her own journey overcoming eczema and Topical Steroid Withdrawal.

📌 Julia’s Podcast

📌 Julia's Instagram

—


👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

📌 Book: When the Body Says No by Gabor Mate

—


✉️ 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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2 weeks ago
58 minutes 12 seconds

The GutFit Nutrition Podcast
22: Are Marathons Linked to Colon Cancer Risk? What Runners Need to Know

Do marathons cause colon cancer? There have been several posts circulating online alongside a New York Times article about a recent study about colon cancer in long distance runners. Let’s break down the study & what you need to know about distance running and colon cancer risk! 

⏱️ Chapters: 

(00:00) — Gut-friendly sports drink guide intro

(00:40) — Welcome to the Gut Fit Nutrition Podcast

(01:20) — Today’s topic: Colon cancer study in long-distance runners

(02:20) — Listener reactions and episode purpose

(03:00) — Study overview & sensational media headlines

(04:20) — Study limitations: no control group, not peer-reviewed

(05:10) — Misreporting on half marathons

(06:00) — Possible mechanisms: blood flow, oxygen, runner’s colitis

(07:20) — Missing variables: hydration, NSAIDs, nutrition, body composition

(08:20) — Ultra-endurance considerations and lifestyle factors

(09:00) — Broader evidence: physical activity reduces colon cancer risk

(10:20) — Known risk factors: diet, lifestyle, genetics, IBD

(11:30) — Emerging theory: microplastics and colorectal cancer

(12:50) — Practical takeaways: study quality, balanced perspective

(14:10) — Closing thoughts, Q&A invite, community wrap-up

—


🎁 ⁠⁠⁠⁠⁠⁠Grab FREE Gut Friendly Sports Drink Guide ⁠

—


👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

📌 Study referenced: https://meetings.asco.org/abstracts-presentations/244806

📌 PMID: 26500336

📌 PMID: 35612669

📌 PMID: 29325535

—


✉️ CONNECT WITH ME: ⤵️

📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠

🖥️ ⁠⁠ 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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3 weeks ago
15 minutes 30 seconds

The GutFit Nutrition Podcast
21: Electrolyte Supplements – What’s Hype, What’s Helpful For Training, and What’s Right For You?

Today we’re diving into a topic that has been everywhere lately—electrolytes. Let’s break it down for you from a dietitian’s perspective: what electrolytes actually are, when you really need to supplement, and how they impact your gut, hormones, and hydration.

By the end of the episode, you’ll know what’s hype, what’s helpful, and what’s right for you!

⏱️ Chapters: 

(00:00) — Welcome & episode intro

(01:15) — Electrolyte hype vs reality

(02:30) — What electrolytes actually do

(03:45) — Gut health connections

(05:00) — Who really needs supplements

(06:15) — Training in heat & sweat loss

(07:30) — Sodium: the MVP electrolyte

(08:45) — Sodium citrate vs table salt

(10:00) — How much sodium you need

(11:15) — Sweat testing & athletes

(12:30) — Daily use myths busted

(13:45) — Electrolytes from food sources

(15:00) — Potassium, magnesium & balance

(16:30) — Key takeaways & wrap-up

—


🌟 GRAB YOUR FREE Gut Friendly Sports Drink Guide!⁠⁠

—


👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

📌 Electrolytes & Gut Health: What’s Hype, What’s Helpful, and What’s Right For You?

📌 At Home Sweat Testing

—

✉️ CONNECT WITH ME: ⤵️

👩🏻‍⚕️ ⁠⁠⁠Apply For Coaching⁠⁠⁠

📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠

🎁 ⁠⁠⁠Grab a Freebie!⁠⁠⁠ 

🖥️ ⁠⁠ Shop the Resource Suite⁠⁠⁠

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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4 weeks ago
19 minutes 1 second

The GutFit Nutrition Podcast
20: Why Monash Serving Sizes Change — And How to Confidently Follow the Low FODMAP Diet With Dede Wilson

Today we’re tackling a topic that sparks a lot of questions and sometimes even a bit of frustration in the IBS and low FODMAP Diet community: Why do Monash FODMAP servings keep changing?

If you’re following the low FODMAP diet and felt confused when your favourite food serving suddenly changes, you’re not alone. In this episode, we’re breaking down why these changes happen, how you can stay up to date, and what this means for you if you’re following the low FODMAP diet. 

⏱️ Chapters: 

—


👤 Today’s Guest: Dede Wilson, Cofounder of FODMAP Everyday® 

Dédé is the co-owner of FODMAP Everyday®, a go-to resource for high-quality articles, product lists, and delicious recipes that help you thrive on the low FODMAP Diet. 

She’s a professional recipe developer, author of over 17 cookbooks, former Bon Appétit magazine editor, and Monash University and FODMAP Friendly accredited educator. Dédé also lives with IBS herself, which means she brings both expert knowledge and lived experience to her work.

📌 FODMAP Everyday Website

📌 FODMAP Everyday Instagram

—


👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

📌 The Upside of Stress by Kelly McGonigal

📌 Gut Harmony Method Program (IBS & Gut Health Coaching)

—


✉️ 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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1 month ago
1 hour 44 seconds

The GutFit Nutrition Podcast
19: Why Does Running Cause Gut Issues (And What Can You Do About It?)

Picture this: You’re halfway through your long run when suddenly… you need a bathroom ASAP… Sound familiar?

Today we’re talking about why running can trigger digestive issues and what’s really going on in the gut. This episode is for: runners, endurance athletes with IBS or a sensitive gut, or anyone curious about the gut–exercise connection!

⏱️ Chapters: 

  • (00:00) — Choosing the Right Sodium for Performance

  • (00:41) — Welcome to the Gut Fit Nutrition Podcast

  • (01:23) — That Sudden Urge Mid-Run… Why It Happens

  • (02:07) — Who This Episode Is For

  • (02:25) — Upcoming 5K Fundraiser for Mental Health

  • (03:52) — Why Digestive Symptoms Aren’t “Normal” on Runs

  • (04:58) — What Happens to Blood Flow During Exercise

  • (05:37) — The Role of Pelvic Floor and Mechanical Jostling

  • (06:29) — Cortisol, Inflammation, and Gut Permeability

  • (07:27) — Hydration, Electrolyte Imbalance & Gut Impact

  • (08:30) — Common Trigger Foods for Runners

  • (09:48) — Pre-Run Nutrition Timing & Guidelines

  • (11:39) — Hydration Tips: What, When, and How Much

  • (13:17) — Sodium Citrate vs Sodium Chloride: What to Choose

  • (14:11) — Gut Training with Carbs During Long Runs

—


🤝 SUPPORT THE CAMH FOUNDATION FOR THE CONSTANTINE YORKVILLE 5K: ⤵️

https://raceroster.com/events/2025/96738/2025-constantine-yorkville-run/pledge/participant/38848322

—


👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

📌 ⁠⁠⁠Apply For Coaching⁠⁠⁠

📌 Electrolytes & Gut Health: What’s Hype, What’s Helpful, and What’s Right For You?

📌 Creating a Therapeutic Exercise Plan With Pelvic Floor Dysfunction With Courtenay Polock 

—


✉️ CONNECT WITH ME: ⤵️

📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠

🎁 ⁠⁠⁠Grab a Freebie!⁠⁠⁠ 

🖥️ ⁠⁠ Shop the Resource Suite⁠⁠⁠

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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1 month ago
21 minutes 25 seconds

The GutFit Nutrition Podcast
18: Gut Health Testing: What’s Under & Overrated? With Andrea Hardy RD

Today, we’re diving into a hot topic that many of you have asked about: gut health testing. There are so many testing options out there claiming to provide answers for your digestive issues — from food sensitivity panels to comprehensive stool tests. But how many of these are actually validated, and which ones are just burning a hole in your wallet?

Whether you’re wondering about IgG food sensitivity testing, the GI-MAP stool test, or hydrogen/methane breath testing, we cover it all — plus, we share our professional take on what’s truly worth your time and money when navigating IBS and gut symptoms.

⏱️ Chapters: 


👤 Today’s Guest: Andrea Hardy RD

Andrea Hardy is a registered dietitian from Calgary, Canada where she runs a multi-disciplinary digestive health practice called Ignite Nutrition. She specializes in gut health & gastrointestinal diseases and is recognized in the media as Canada’s Gut Health Expert. She is passionate about translating science into ‘easy to digest’ information to support a healthy gut.  She has spoken on the TEDx stage, as well as internationally about digestive health. 

📌 Andrea’s Instagram

📌 ‘Let’s Gut Real’ Podcast 

📌 Book Link

📌 Constipation quiz

—


👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

📌 Why I Don’t Recommend Commercial Stool Tests (Aka Microbiome Testing) Just Yet

📌 What the Science Says: This Dietitian's Honest Thoughts on Food Sensitivity Blood Tests

—


✉️ 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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1 month ago
1 hour

The GutFit Nutrition Podcast
17: Morning Habits — What to Do First Thing for IBS & Bloating Relief

Starting your day with intentional habits that support your gut and nervous system is key to bloat relief, managing IBS symptoms and a healthy bowel routine!

If you’re ready to support digestion by reducing cognitive overwhelm and setting your gut up for success (with routines you’ll actually stick to), this episode is for you!


⏱️ Chapters: 

  • (0:00) — Welcome + why your morning matters for gut health
  • (1:17) — How your first hour impacts IBS and bloating
  • (2:44) — Starting with mindful wake-ups
  • (4:17) — Screen-free mornings: the #1 habit to try
  • (7:02) — Hydration before caffeine
  • (8:52) — Sunlight for gut-brain connection and sleep
  • (11:54) — Gentle morning movement for digestion
  • (13:54) — Warm drinks to stimulate bowel movements
  • (15:38) — Creating a gut-friendly bathroom space
  • (18:17) — Building a blood-sugar-balancing breakfast
  • (21:17) — How to fit it all in (realistic timeframes)
  • (22:15) — The “ABC” approach to morning routines
  • (24:56) — My personal essentials — rain or shine
  • (25:56) — Key takeaway: protect your first hour

—


👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

📌 Sleep Cycle App

📌5 Types of Wealth

📌 Squatty Potty

—


✉️ 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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1 month ago
26 minutes 33 seconds

The GutFit Nutrition Podcast
16: Gut Check: Is Your Microbiome Holding Back Your Fitness Goals? With Eric Williamson PhD, RD, MSc

Today, we’re exploring a topic that bridges the gap between your gut microbiome and your body goals: how your gut health can influence sports performance and body composition.

We know the gut microbiome plays a critical role in digestion and immunity — but emerging research is revealing its powerful impact on everything from how we build muscle, manage body fat, and recover from training, to how we perform during endurance activities and high-intensity workouts.

⏱️ Chapters: 

  • (0:27) – Intro
  • (1:55) – Guest Intro: Eric Williamson, RD, PhD
  • (4:15) – Who Eric Helps & His Work at Canyon Ranch
  • (8:12) – Eric’s Journey into Sports & Nutrition
  • (13:39) – What Is the Gut Microbiome?
  • (14:30) – Defining Body Composition & How to Measure It
  • (21:32) – Why Muscle Mass Matters for Healthspan
  • (26:59) – Can Gut Health Affect Body Composition?
  • (34:12) – Probiotics for Fat Loss: Myth vs. Evidence
  • (43:03) – Food-Based Strategies for Gut & Body Composition
  • (48:04) – Gut Microbiome & Sports Performance (VO2 Max)
  • (58:57) – Testing for Longevity: DEXA, VO2 Max, and More
  • (1:05:12) – Final Takeaways & Practical Advice

—


👤 Today’s Guest: Eric Williamson, PhD, RD, MSc, CSSD, ​CSCS

Eric Williamson, RD, PhD, is a leading expert in nutrition and metabolism. He holds a BA in Kinesiology and a BSc in Nutrition from Western University, and completed his MSc and PhD in Exercise Nutrition and Metabolism at the University of Toronto. Eric has been a Registered Dietitian for over 10 years, and is also a Certified Specialist in Sports Dietetics and a Certified Strength and Conditioning Specialist. He has worked with a wide range of individuals, from elite athletes to busy professionals, helping them optimize their health through evidence-based, personalized nutrition strategies.

Currently, Eric serves as the Director of Nutrition at Canyon Ranch, a premier health resort with multiple properties across the US.

📌 Eric’s Website

📌 Eric's Instagram

—


👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

📌 Gut Microbiota and Exercise Performance

📌 Probiotics: It May Not All Be Positive

📌 ​​Fibre: The Forgotten Carbohydrate in Sports Nutrition Recommendations

📌 Gut-Muscle AxisExists and May Affect Skeletal Muscle Adaptation to Training

—


✉️ 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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2 months ago
1 hour 8 minutes 17 seconds

The GutFit Nutrition Podcast
15: Bloat Culprits — Should I Skip Carbonated Drinks, Using a Straw, & Drinking Smoothies?

In this episode, we address a listener's question about common bloating culprits like carbonated drinks, straws, and smoothies. We dive into the science behind bloating, distinguishing it from distension, and explores various causes such as gas-producing foods, constipation, and microbiome imbalances. We discuss practical advice on managing these triggers and emphasizes the importance of personalized approaches to gut health.

⏱️ Chapters: 

—


👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

📌 Gut Harmony Method Program

—


✉️ 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!

Show more...
2 months ago
17 minutes 46 seconds

The GutFit Nutrition Podcast
14: Creating a Therapeutic Exercise Plan With Pelvic Floor Dysfunction With Courtney Polock AEP

If you’ve been feeling frustrated, limited, or even afraid to move because of pelvic floor symptoms like leaking, urgency or pelvic pain — you’re not alone. These symptoms are common especially in those dealing with gastrointestinal issues like IBS, IBD and endometriosis. This episode will give you hope, validation, and the tools to start rebuilding trust in your body.

⏱️ Chapters: 

    • (0:00) – Intro
    • (2:18) – Meet the Guest: Courtenay Pollock, Exercise Physiologist
    • (3:06) – What Is an Exercise Physiologist & How They Differ from Personal Trainers
    • (10:30) – How Pelvic Health Became Courtenay’s Focus
    • (16:22) – What Is the Pelvic Floor & What Does It Do?
    • (20:27) – Signs of Pelvic Floor Dysfunction
    • (23:39) – IBS, Constipation & the Pelvic Floor Connection
    • (26:24) – Common Causes of Pelvic Floor Dysfunction
    • (31:38) – Weak vs. Tight Pelvic Floor: Key Differences
    • (37:01) – Nervous System Regulation & Pelvic Floor Health
    • (46:51) – What a Supportive Exercise Plan Can Look Like
    • (55:57) – Rapid-Fire Segment: Rating Popular Pelvic Floor Tools
    • (1:08:06) – Final Advice for Supporting Your Pelvic Floor

  • 👤 Today’s Guest: Courtenay Polock, APD

    Joining me all the way from Australia is Courtenay Polock, Accredited Exercise Physiologist and founder of Her Exercise Physiology — a virtual clinic providing accessible, evidence-based care for women, with a special focus on pelvic health across the lifespan. Courtenay has extensive experience in helping women navigate endometriosis, chronic pelvic pain, postpartum recovery, and more — and she’s here to share her expertise on how to build an intentional, supportive exercise plan that works with your body, not against it.

    📌 Courtenay's Website

    📌 Courtenay’'s Instagram

    —


    👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

    📌 Squatty Potty 

    —


    ✉️ 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!

    Show more...
    2 months ago
    1 hour 15 minutes 26 seconds

    The GutFit Nutrition Podcast
    13: Digestive Distress & Period Pain? The IBS and Endometriosis Link Explained With Cindy Dabrowska MAN, RD

    Endometriosis affects 1 in 10 women, yet many still go years without answers. Symptoms can range from intense pelvic pain and painful periods to bloating, bowel and bladder issues, fatigue, infertility, and more.

    And for those with IBS, it can be incredibly confusing to tease apart what’s gut-related and what might be something more. In today’s episode we will chat about what endometriosis is, the link with IBS and gut health, and how to seek support if you suspect you have endometriosis alongside gut issues. 

    ⏱️ Chapters: 

    • (00:00) — Intro
    • (00:30) — Welcome to the GutFit Nutrition Podcast
    • (01:56) — Meet Cindy: dietitian & endometriosis specialist
    • (03:00) — Cindy’s 15-year journey to an endometriosis diagnosis
    • (06:55) — Limited conventional options & the rise of integrative care
    • (10:54) — What is endometriosis? A clear, simple explanation
    • (13:43) — How to get diagnosed: surgery, scans & red flags
    • (19:01) — When endometriosis gets misdiagnosed as IBS
    • (24:59) — Can you still have endo even if your scans are normal?
    • (31:34) — Common overlapping conditions: PCOS, IBD, autoimmune & more
    • (33:16) — Why IBS is three times more likely with endo
    • (43:05) — How Cindy supports gut health in clients with endo
    • (46:58) — Why constipation makes endo symptoms worse
    • (53:17) — How long does it take to see improvements with treatment?
    • (1:07:19) — Summary & Final Takeaways


    👤 Today’s Guest: Cindy Dabrowska, MAN RD

    To help me break this all down today is Cindy Dabrowska, a registered dietitian, with a masters degree in applied human nutrition. She is an endowarrior and founder of The Supportive Endo RD, a private practice that uses medical nutrition therapy and functional medicine principles to support women with endometriosis and infertility. 

    📌 Cindy's Website

    📌 Cindy's Instagram

    —

    👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

    *Resources & Links Mentioned:*📌 Endometriosis and irritable bowel syndrome: A systematic review and meta-analyses

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    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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    3 months ago
    1 hour 9 minutes 41 seconds

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

    Told to take digestive enzymes to help with your IBS, or combat meals you think might trigger your gut symptoms? Let’s dive into another listener question in this week’s episode! We discuss what digestive enzymes are, which ones are helpful for various intolerances (FODMAPs, lactose, etc.) and which you might want to consider (and skip!). 

    ⏱️ Chapters: 

    —


    👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

    📌  FODZYME: Save 15% off your first order!

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    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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    3 months ago
    8 minutes 11 seconds

    The GutFit Nutrition Podcast
    11: Why Does Fibre Make my IBS Symptoms Worse?

    In episode 11, we’re answering the question “Why does fibre make my IBS symptoms worse”? You’ve heard (or been told) that fibre is good for you - it can solve all your IBS problems! And yet, when you eat more, you get more gas, pain and bloating. What gives? We dive into why this happens, and what you can do about it in today’s episode. 

    ⏱️ Chapters: 

    • (0:00) Welcome and intro to the GutFit Nutrition Podcast
    • (0:49) Listener question: Why does increasing fiber worsen my IBS?
    • (1:44) Visceral hypersensitivity explained
    • (2:28) Research: IBS pain response to gut stretching
    • (3:34) Connection between fiber, microbiome imbalance, and symptoms
    • (4:00) Three keys: fiber amount, type, and balance
    • (4:57) Recommended daily fiber intake for IBS
    • (5:20) How fiber fuels gut bacteria and supports gut health
    • (5:44) What happens when fiber intake is too low
    • (6:08) Final thoughts: You can increase fiber with IBS strategically

    —


    👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

    📌  Visceral Hypersensitivity & IBS

    📌 When the Body Says No by Gabor Mate

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    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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    4 months ago
    7 minutes 5 seconds

    The GutFit Nutrition Podcast
    10: Struggling to Hydrate and Always Have to Pee? Let's Talk Overactive Bladder (and the IBS Connection) With Callie Krajcir MS, RD

    In this episode of the GutFit Nutrition Podcast, we’re talking about the symptoms and impacts of Overactive Bladder (OAB), and link to IBS and digestive issues. This episode will empower you to take control with diet/lifestyle strategies and seek expert support, rather than simply living with it. 

    ⏱️ Chapters: 

    • (0:00) – Introduction
    • (1:46) – Introduction to the episode and focus on overactive bladder (OAB)
    • (2:24) – Meet Callie K, the Bladder Dietitian and her personal story
    • (5:00) – Callie’s journey from IC diagnosis to OAB and treatment challenges
    • (7:25) – Signs and symptoms of overactive bladder
    • (9:00) – Common root causes of OAB including pelvic floor and nervous system
    • (12:00) – How chronic stress and nervous system dysregulation affect the bladder
    • (15:00) – The gut-bladder connection and impact of IBS on urinary symptoms
    • (16:45) – Nervous system regulation as a key to bladder symptom relief
    • (20:56) – Overview of conventional OAB treatments and their limitations
    • (24:01) – OAB in active individuals and runners with IBS
    • (25:55) – Importance of proper hydration and common bladder irritants
    • (29:01) – Harmful bladder habits to stop doing right now
    • (32:07) – Dietary triggers for OAB and how to test sensitivities
    • (38:34) – Callie’s top takeaways for improving bladder health
    • (41:09) – How to connect with Callie K and learn more about her work


    👤 Today’s Guest: Callie Krajcir, MS, RD

    Callie Krajcir, MS, RD, The Bladder Dietitian®, is a Registered Dietitian and leading expert in bladder health. Living with interstitial cystitis (IC) her entire life and OAB during her college years has fueled her passion for helping others with IC, OAB and related conditions. Callie is the founder of Callie K Nutrition, the IC You Podcast, and social media platforms (@callieknutrition) that have empowered hundreds to find relief from bladder pain, urgency, and frequency through practical diet and lifestyle changes. She also serves as Vice Chair of the Board of Directors for the Interstitial Cystitis Association, advocating for awareness and better care for those living with IC. 

    📌 Callie’s Website

    📌 Callie’s Instagram

    📌 IC You Podcast

    —


    👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

    📌 Book: When the Body Says No by Gabor Mate

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    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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    4 months ago
    42 minutes 53 seconds

    The GutFit Nutrition Podcast
    9: What's the Best Way to Diagnose IBS?

    In this episode, we’re diving into the actual diagnosis of Irritable Bowel Syndrome (IBS). As an IBS and gut health Dietitian, I am always explaining to my clients and community that IBS is a true medical diagnosis and that your symptoms are valid! We discuss the hallmark symptoms of IBS, IBS subtypes, common drivers and causes of IBS, and how to receive a proper diagnosis. 

    ⏱️ Chapters: 

    • (00:00) – Intro

    • (00:48) – Listener Q&A Intro & Today’s Question: “How do you diagnose IBS?”

    • (01:37) – Is IBS a real medical condition? Busting the myth

    • (02:03) – Common IBS symptoms explained

    • (03:34) – 4 Types of IBS (Rome IV Criteria)

    • (05:02) – How IBS is diagnosed (Rome IV diagnostic framework)

    • (06:57) – IBS vs. Other GI Conditions

    • (07:59) – Red flags to rule out before IBS diagnosis

    • (09:11) – Tests that are unreliable for IBS (IGG, GI Map, Viome, etc.)

    • (11:18) – IBS Smart Test: A promising tool for post-infectious IBS

    • (12:34) – Tips for preparing to talk to your doctor

    • (13:36) – Building a strong care team for IBS management

    • (14:50) – You're not alone: IBS affects millions

    • (15:17) – How to apply for coaching & my Gut Harmony Method Program for lasting IBS relief

    —

    👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

    📌 IBS Explained Article

    📌  Learn More About My Gut Harmony Method Program (IBS & Gut Health Coaching)

    📌 Rome IV Diagnostic Criteria for IBS

    ✨Join my FREE MASTERCLASS - Steal My Ultimate Gut Relief Roadmap: 6 Steps to Lasting IBS Control on June 3rd & 4th. ⁠Save your seat here.

    —

    ✉️ CONNECT WITH ME: ⤵️

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    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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    4 months ago
    16 minutes 33 seconds

    The GutFit Nutrition Podcast
    8: PCOS & Dysbiosis: How Your Gut Microbes Influence Your Hormones With Sana Motlekar RD, MPH

    In today’s Episode, we’re exploring PCOS and dysbiosis—specifically, how your gut microbiome can influence the development and management of Polycystic Ovary Syndrome. We break down the science behind the gut-hormone connection and what it means for those navigating gut symptoms like IBS, SIBO, or GERD alongside hormonal conditions like PCOS. 

    ⏱️ Chapters:

    • (0:35) – Intro
    • (1:24) – Exploring the Gut-Hormone Connection in PCOS
    • (2:07) – Guest Intro: Sana Motlekar, PCOS & Metabolic Health RD
    • (4:35) – Sana’s Personal Journey & Cultural Focus
    • (8:25) – What Is PCOS? Diagnosis Criteria Explained
    • (10:35) – Misdiagnosis & Dismissal of PCOS Symptoms
    • (15:49) – Root Causes: Insulin Resistance, Stress, Inflammation
    • (21:31) – Conventional vs. Functional Approaches (Metformin, Birth Control)
    • (27:15) – The Role of Gut Health in Hormone Regulation
    • (33:35) – IBS, Dysbiosis & PCOS – What's the Link?
    • (39:39) – How Gut Microbes Impact Estrogen & Androgens
    • (43:57) – Top Nutrition Strategies for Managing PCOS
    • (49:10) – Lifestyle Factors: Products, Toxins & Stress
    • (52:52) – Movement & Exercise For PCOS
    • (57:05) – Can You Do HIIT with PCOS?
    • (1:00:35) – Final Takeaways

    —


    👤 Today’s Guest: Sana Motlekar

    Sana Motlekar is a Registered Dietitian with a Master of Public Health, specializing in PCOS, weight loss, fatty liver, and diabetes. Based in Toronto, Sana brings over 12 years of experience helping women feel at home in their bodies without restriction, shame, or sacrificing their cultural food roots.

    📌 Sana’s Website: https://www.pcosweightlossdietitian.com/

    📌 Sana’s Instagram: https://www.instagram.com/pcos.weightloss.dietitian/

    —


    👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

    📌 Body Composition Meal Plan & Resource Set: https://www.leighmerotto.com/shop

    📌 The Upside of Stress Book: https://amzn.to/4jXHdlE

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    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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    4 months ago
    1 hour 5 minutes 51 seconds

    The GutFit Nutrition Podcast
    7: Why Does Stress Make My IBS & Gut Symptoms Worse?

    Welcome to our first listener Q&A Episode! This question comes from Bianca from Canada: Why does stress make my IBS and digestive symptoms worse?

    This topic is super important, and fairly complex. I see the connection play out very often in my clients with digestive issues like IBS, SIBO and IBD. More often than not, they know that stress is a huge trigger for flare-ups. And when they come to me, many are often in a high-stress state due to their life commitments, work, family, etc.But also more often than not, they don’t realize how much stress is actually affecting their digestion and ability to heal from IBS.

    ⏱️ Chapters:

    • (00:00) – Intro
    • (2:30) – Why Does Stress Make My IBS Worse?
    • (3:18) – The Stress-Gut Connection in IBS and Other Conditions
    • (5:01) – What Happens in the Body During Stress?
    • (7:04) – When Stress Becomes Harmful
    • (8:40) – Cortisol, Adrenaline, and Digestion
    • (10:30) – Chronic Stress and the Nervous System
    • (12:20) – Gut-Brain Axis and the Vagus Nerve
    • (14:15) – How Stress Impacts Gut Motility
    • (16:05) – Stress-Driven Changes in Eating Habits
    • (17:35) – The Gut Microbiome and Stress-Induced Dysbiosis
    • (19:25) – Inflammation and Cortisol Dysfunction
    • (21:40) – Long-Term Strategies for Stress Resilience
    • (24:14) – Quick Stress-Relief Tools for IBS Management
    • (26:43) – Final Thoughts on Managing Stress for Gut Health

    —


    👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

    📌  The Tapping Solution App (50% Off Annual Subscription + 2 Week Free Trial)

    📌 The Powerful Effect of Stress on Your Gut Health and IBS Symptoms

    —


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    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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    4 months ago
    20 minutes

    The GutFit Nutrition Podcast
    6: From GI Distress to PB Success: How to Master Your Running Nutrition With Stephanie Small RD, MPH, PhD (c)

    Today, we’re tackling a topic that so many runners struggle with—how to fuel properly to prevent GI distress. Whether you’ve experienced mid-run stomach cramps, bloating, or the dreaded emergency bathroom stop, you know how much gut issues can derail your performance. So, how can you fuel smarter and run stronger?

    Fuelling endurance while balancing gut health is a topic I work with many of my coaching clients on, and joining me in this discussion is fellow Dietitian Stephanie Small! 

    ⏱️ Chapters:

    • (0:00) – Intro
    • (1:29) – Today’s Topic & Our Guest: Stephanie Small, Sports Dietitian & PhD Student
    • (3:14) – Stephanie’s Background & Current Work
    • (8:08) – Why Fueling Matters for Runners
    • (10:30) – Fueling Before Short & Long Runs
    • (13:04) – Is Fasted Running Helpful?
    • (16:38) – When & How to Fuel During Long Runs
    • (20:29) – Fat as Fuel? Why It’s Not Ideal for Performance
    • (23:40) – Avoiding GI Issues While Fueling
    • (27:32) – Gels vs. Real Food: Budget-Friendly Fueling
    • (37:04) – Carb Loading Explained & Practical Tips
    • (46:06) – Final Tips for Half & Full Marathon Nutrition

    —


    👤 Today’s Guest: Stephanie Small RD MPh

    Stephanie is a Toronto-based Sports Dietitian, PhD student, and the owner of Stephanie Small Coaching. She specializes in helping athletes—from marathon runners and triathletes to MMA fighters and corporate professionals—optimize their performance through science-driven, realistic nutrition strategies.

    Not only does Stephanie bring her expertise as a dietitian, but she’s also an accomplished endurance athlete herself. She’s completed a 50k ultramarathon, three marathons, three half-marathons, and is currently training for an Ironman in 2025!

    📌 Stefanie's Instagram: https://www.instagram.com/stephaniesmall.rd/

    📌 Stefanie's Website: https://stephaniesmallcoaching.com/

    —


    👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

    📌 IBS and High-Intensity Exercise: Your Guide to Train Smart Without the Gut Flare-ups

    📌 Pre & Post-Workout For a Happy Gut Mini Course

    —


    ✉️ CONNECT WITH ME: ⤵️

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    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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    5 months ago
    51 minutes 34 seconds

    The GutFit Nutrition Podcast
    5: IBS & Anxiety: Navigating This Common Connection With FODMAP Everyday

    Today’s episode is a recording from a live webinar I recorded with Dede Wilson, Cofounder of FODMAP Everyday® and The Queen Zone™. If you experience both irritable bowel syndrome (IBS) and anxiety, you are not alone. These two conditions occur together more often than you may have realized.


    ⏱️ Chapters:

    00:00 – Intro

    01:31 – Meet your hosts: Leigh Merotto & Dédé Wilson

    02:54 – How common is anxiety with IBS?

    05:00 – Anxiety vs. stress: What’s the difference?

    07:28 – Gut-brain connection explained

    09:04 – Why IBS & anxiety often overlap

    13:41 – FODMAP fears: Why staying restricted can backfire

    17:02 – The 3 phases of the low FODMAP diet

    21:08 – IBS & gut inflammation: What we know

    25:06 – Are probiotics helpful for IBS?

    29:07 – Non-food triggers: Sleep, stress, and timing

    32:57 – Real-life strategies for eating out with confidence

    35:30 – Gut-directed hypnotherapy: Can it help?

    39:05 – Intermittent fasting & IBS: A risky combo?

    44:30 – Food intolerance tests: Fact vs. fiction

    56:00 – Breaking the restriction-anxiety cycle


    FODMAP Everyday is an incredible resource to help you thrive on the low FODMAP Diet with IBS! Checkout FODMAP Everyday for evidence-based, comprehensive guides, recipes and resources for your low FODMAP Diet Journey. You can find lots of evidence based blogs written by various Monash trained Dietitians including several from yours truly, as well as low FODMAP recipes, product guides and more. 

    📌 FODMAP Everyday Website

    📌 FODMAP Everyday on Instagram

    —


    👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️

    📌 Read My Article About IBS And Anxiety 

    —


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    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!

    Show more...
    5 months ago
    1 hour 2 minutes 18 seconds

    The GutFit Nutrition Podcast
    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!