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PODCAST

The GutFit Nutrition Podcast

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

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

health & fitness nutrition

All Episodes

00:30:20

39: IBS and Perimenopause — How Hormonal Changes...

The GutFit Nutrition Podcast ·

2026/01/10

Hot flashes, bloating, mood swings? In this episode we explore the connection between perimenopause and IBS, discussing how hormonal changes can impact your digestive health. We chat about common symptoms of perimenopause, the complexities of IBS, and practical strategies for managing symptoms through nutrition, exercise, and expert support. YOU’LL TAKEAWAY: ✨How ovarian hormonal fluctuations during perimenopause can affect digestion, and exacerbate IBS✨Why tracking symptoms is crucial for

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00:36:51

38: 5 Micro Habits to Level Up Your Gut Health in 2026

The GutFit Nutrition Podcast ·

2026/01/02

Your gut called… it’s ready for a glow-up in 2026 — without painful cleanses or expensive supplement protocols.In this episode of the GutFit Nutrition Podcast, we explore why gut health is foundational to your overall well-being and how simple, sustainable micro habits can support your digestion, hormones, mood, and immune system over time.YOU’LL TAKEAWAY:✨What micro habits are and how to use them to create lasting change✨Why gut health impacts immunity, mental health, and hormone balance✨How small

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00:31:22

37: New Year, New Intentions: 9 Steps to Health and...

The GutFit Nutrition Podcast ·

2025/12/26

In the latest episode of the Gut Fit Nutrition Podcast, we’re breaking down how to set realistic gut health & fitness goals that stick — including:✨ Setting intentions instead of resolutions✨ Creating SMART goals for clarity✨ Linking pleasure to behaviors to stay motivated✨ Using accountability systems to actually follow through✨ Celebrating small wins along the wayIf you’re ready to finally make progress on your health and fitness goals instead of falling off by February… This episode is for

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00:55:06

36: Runny Nose, Fatigue, Bloat, Rashes? Unpacking...

The GutFit Nutrition Podcast ·

2025/12/19

Itchy skin, fatigue, unresolved IBS symptoms – what could these symptoms have in common? It could be a sign of histamine intolerance, a condition that often goes under or misdiagnosed.Join this conversation with expert GI Dietitians on how to actually tell whether you may have histamine intolerance, and how to actually manage it through a structured elimination diet, nutrition optimizations & targeted supplementation. YOU’LL TAKEAWAY:✨ Why histamine intolerance is a growing concern in digestive

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01:05:21

35: Cortisol, Burnout and Adrenal Fatigue— What's...

The GutFit Nutrition Podcast ·

2025/12/12

Is “adrenal fatigue” a real thing? In this conversation, join myself and fellow Dietitian Christa Biegler to discuss the complexities of cortisol, burnout, and adrenal fatigue. We chat about causes of cortisol dysfunction, how to test thyroid and cortisol properly, pillars for improving adrenal function, and more. ⏱️ Chapters: (0:38) — Welcome to the GutFit Nutrition Podcast(1:26) — Today's Episode & Announcing Our Guest(1:57) — Christa’s Background & Career Journey(2:27) — Unpacking

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00:23:05

34: Conquering Holiday IBS — Tips For a Happy Gut

The GutFit Nutrition Podcast ·

2025/12/05

Its no surprise.. The holidays can stir up IBS symptoms due to various factors. Listen in to discover proactive strategies to prevent holiday IBS flare-ups and feel your best. ⏱️ Chapters: —👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️📌 FREE Masterclass — Take Immediate Control: The Ultimate 6-Step Blueprint to Conquering IBS & Gut Pain—✉️ CONNECT WITH ME: ⤵️📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠🎁 ⁠⁠⁠Grab a Freebie!⁠⁠⁠ 🖥️ ⁠⁠ Shop the Resource Suite⁠⁠⁠👩🏻‍⚕️ ⁠⁠⁠Apply For Coaching⁠⁠⁠If the GutFit

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00:25:08

33: From Bloating to Balance: Eating to Improve IBS...

The GutFit Nutrition Podcast ·

2025/11/29

What is the gut microbiome, why does it matter, and—most importantly—how do you feed it well (when you have IBS)? Find out in today’s episode. ⏱️ Chapters: (00:00) — Welcome to the Gut Fit Nutrition Podcast(00:48) — Today’s Episode: Your Gut Microbiome(02:05) — How Your Microbiome Impacts Your Health(03:08) — Defining a Healthy Microbiome(04:09) — Dysbiosis: When Things Go Out of Balance(06:10) — Factors That Influence Your Gut Microbiome(08:16) — MACs: Microbiota Accessible Carbohydrates(10:27) —

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00:23:52

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

The GutFit Nutrition Podcast ·

2025/11/21

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

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00:28:46

31: IBS Symptoms Disappear When You Travel to Europe?...

The GutFit Nutrition Podcast ·

2025/11/14

Have you ever noticed your IBS symptoms seem to disappear when you travel to Europe?In this episode, we talk about processing methods in Europe and how they impact digestibility, how food standards and regulation differ in Europe and North America (and why additives and processing could be linked to GI symptoms), why stress and movement may be playing a role, and more! ⏱️ Chapters: (0:00) — Episode Teaser(0:19) — Welcome to the GutFit Nutrition Podcast (1:07) — Today’s Episode: Unpacking Why IBS

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00:49:28

30: Underfuelling, RED-S and Your Gut With Sports...

The GutFit Nutrition Podcast ·

2025/11/07

What if you need to eat MORE, not less to reduce your gut symptoms, have more energy & have better performance? In this episode, let’s talk about why underfuelling and low energy availability (LEA) can have negative consequences, and specifically on gut health and digestive functions! ⏱️ Chapters: —👤 Today’s Guest: Christine Gemmell, RDChristine Gemmell is a Registered Dietitian and sports nutrition specialist based in Kingston, Ontario. In her practice Eminence Nutrition, she integrates

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00:38:22

29: High Intensity Training For a Happy Gut &...

The GutFit Nutrition Podcast ·

2025/11/01

Today’s episode is a recording from Episode 62 of the Joyful Eating For PCOS and Gut Health podcast. We explore how your body responds to different types of exercise intensities. We break down why gut symptoms can arise when you ramp up the intensity of your workouts, beneficial ways cortisol actually HELPS you exercise more efficiently, and how to enjoy high intensity training without the digestive upset. — 🌟 GRAB YOUR FREE ⁠Gut Friendly Sports Drink Guide!⁠⁠ ⁠— ✉️ CONNECT WITH ME: ⤵️📱⁠⁠⁠⁠⁠Follow

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00:33:14

28: Beyond the Bloat — 6 Step Roadmap to IBS Relief...

The GutFit Nutrition Podcast ·

2025/10/23

Do you really know what’s driving the IBS symptoms you experience?Instead of just taking more meds or cutting out more foods, addressing the underlying drives of IBS is the key to long-term IBS relief.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 Q&A questions from the session.I cover some

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00:17:03

27: 5 Things I would Do If I Was Diagnosed with IBS...

The GutFit Nutrition Podcast ·

2025/10/17

If I was diagnosed with IBS today, what would I do?I’ve worked with hundreds of people with IBS and gut health concerns, and while everyone’s journey is unique, there are some key steps that make the process of healing, managing symptoms, and actually living your life again so much smoother.⏱️ Chapters: (00:00) — Welcome to the Gut Fit Nutrition Podcast(00:55) — If I Were Diagnosed With IBS Today…(01:34) — Setting Foundations for Success(01:46) — Step 1: Your Body Is Resilient(02:50) — Step 2: Detox

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00:22:26

26: Struggling With IBS? 5 Things That Might Be...

The GutFit Nutrition Podcast ·

2025/10/10

As a Dietitian and Coach specializing in IBS and gut health, I wanted to highlight the 5 most common things I see new clients and community members doing that is holding you back from true IBS relief.⏱️ Chapters: (00:00) — Free Masterclass: Break Free from IBS (Oct 14–15)(00:58) — Welcome to the GutFit Nutrition Podcast(01:48) — IBS Is Real: You're Not Alone(02:54) — Common Mistake #1: Over-Restricting Your Diet(04:22) — How Food Restriction Harms the Gut(05:56) — Nutrient Deficiencies and

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00:45:11

25: Food Intolerances in IBS & How To Use Enzymes...

The GutFit Nutrition Podcast ·

2025/10/03

What are food intolerances, and how can we support them through a holistic approach including enzyme supplements when appropriate? Join myself and Anouk Martini, a registered dietitian from Intoleran discuss the complexities of food intolerances, particularly in relation to IBS!⏱️ Chapters: (00:00) — Episode Teaser(00:49) — Welcome to the GutFit Nutrition Podcast(01:37) — Today’s Episode & Announcing Our Guest(02:18) — Anouk's Background & Career Journey(05:11) — What are Food

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00:10:10

24: Understanding the Gastrocolic Reflex and Your IBS...

The GutFit Nutrition Podcast ·

2025/09/26

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: —📌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 Coaching⁠⁠⁠If the

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00:58:12

23: Gut-Skin Connection — Healing Eczema and Fungal...

The GutFit Nutrition Podcast ·

2025/09/19

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: (00:00) — Episode Teaser(00:24) — Welcome to the GutFit Nutrition Podcast(01:14) — Today's Episode & Our Guest (01:50) —

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00:15:30

22: Are Marathons Linked to Colon Cancer Risk? What...

The GutFit Nutrition Podcast ·

2025/09/12

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

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00:18:44

21: Electrolyte Supplements – What’s Hype, What’s...

The GutFit Nutrition Podcast ·

2025/09/06

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!—🌟 GRAB YOUR FREE Gut Friendly Sports Drink Guide!⁠⁠ —👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️📌 Electrolytes & Gut Health: What’s Hype, What’s

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01:00:44

20: Why Monash Serving Sizes Change — And How to...

The GutFit Nutrition Podcast ·

2025/08/29

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

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