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 way
If you’re ready to finally make progress on your health and fitness goals instead of falling off by February… This episode is for you!
⏱️ Chapters:
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
📌 Tony Robbins: Awaken the Giant Within
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🖥️ Shop the Resource Suite
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ENJOYING THE PODCAST?
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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 health, common symptoms (skin issues, runny nose, GI symptoms, and fatigue) and proper testing
✨ How mast cell activation syndrome is distinct from histamine intolerance.
✨ Dietary management is crucial for those with histamine intolerance, but low histamine diets can vary significantly in recommendations.
✨ What supplements like DAO may help some individuals with histamine intolerance.
✨ How zinc, iodine and other micronutrients play a role in gut health and histamine intolerance
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👤 TODAY’S GUEST: Marlee Hamilton RD
Marlee Hamilton is a registered dietitian who has spent the past 8 years working with patients who have complex digestive health concerns and food intolerances. She specializes in conditions such as IBS, IBD, SIBO, and food chemical sensitivities, providing individualized nutritional support for a wide range of gastrointestinal disorders.
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ENJOYING THE PODCAST?
Your rating and review help this show get into the earbuds of more listeners dealing with IBS, gut issues and 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…” 🎧
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:
👤 Today’s Guest: Christa Biegler
Christa Biegler is an award-winning dietitian nutritionist, host of the Less Stressed Life podcast, and author of The Eczema Relief Diet & Cookbook. She helps health-savvy women overcome eczema, food sensitivities and fatigue without unnecessary restriction, endless testing and supplements.
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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.
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:
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
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✉️ 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.
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:
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👩🏻💻 RESOURCES & HELPFUL LINKS: ⤵️
📌 Apply for the Gut Harmony Method Program
📌How Does Your Gut Microbiome Play a Role in 4 Common Chronic Diseases?
📌 Episode 11: Why Does Fibre Make My IBS & Gut Symptoms Worse?
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🖥️ Shop the Resource Suite
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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!
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:
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
📌 Episode 16: Gut Check– Is Your Microbiome Holding Back Your Fitness Goals?
📌 Eating for a Healthy Microbiome
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✉️ CONNECT WITH ME: ⤵️
🖥️ 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!
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:
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
—
✉️ CONNECT WITH ME: ⤵️
🖥️ 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.
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:
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👤 Today’s Guest: Christine Gemmell, RD
Christine Gemmell is a Registered Dietitian and sports nutrition specialist based in Kingston, Ontario. In her practice Eminence Nutrition, she integrates evidence-based sports nutrition with a weight-inclusive, health-first philosophy that supports not only physical performance but also a sustainable and confident relationship with food.
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
📌 Article: High Intensity Exercise & Your Gut
📌 Pre & Post Workout For a Happy Gut Guide
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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!
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.
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✉️ CONNECT WITH ME: ⤵️
🖥️ 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.
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 pressing questions like:
Is intermittent fasting for IBS?
What is the best way to determine a food intolerance?
What is the vagus nerve?
Can leaky gut be seen on a colonoscopy?
& more!
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⏱️ Chapters:
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Doors open with special bonuses to the Gut Harmony Method Program! 🎁 Apply by Oct 25 & get 3 Live Trainings ($327 Value) — incl. Holiday IBS Survival Guide!
Grab the details + apply here.
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
📌 A Gut Health Dietitian’s Thoughts on Food Sensitivity Testing
📌 What’s the Best Probiotic For IBS?
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✉️ CONNECT WITH ME: ⤵️
🖥️ 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.
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:
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Ready for high touch support for IBS? 👩🏻💻 Doors open with special discount + bonuses for my Gut Harmony Method Program. Apply now!
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✉️ CONNECT WITH ME: ⤵️
🖥️ 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!
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:
—
✉️ CONNECT WITH ME: ⤵️
🖥️ 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!
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:
👤 Today’s Guest: Anouk Martini, Intoleran Dietitian
If certain foods leave you feeling bloated, gassy, or uncomfortable, Intoleran is here to help. Intoleran’s enzyme supplements are designed to make eating easier by supporting the breakdown of things like FODMAPs, sucrose, starches, and histamine.
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
📌 JOIN THE FREE IBS MASTERCLASS: ‘Break Free From IBS: Your 6-Step Roadmap to Lasting Relief’
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✉️ CONNECT WITH ME: ⤵️
🖥️ 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!
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:
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📌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.
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✉️ CONNECT WITH ME: ⤵️
🖥️ 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!
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.
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
📌 Book: When the Body Says No by Gabor Mate
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✉️ CONNECT WITH ME: ⤵️
🖥️ 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!
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
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🎁 Grab FREE Gut Friendly Sports Drink Guide
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
📌 Study referenced: https://meetings.asco.org/abstracts-presentations/244806
📌 PMID: 26500336
📌 PMID: 35612669
📌 PMID: 29325535
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✉️ CONNECT WITH ME: ⤵️
🖥️ 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!
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
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🌟 GRAB YOUR FREE Gut Friendly Sports Drink Guide!
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
📌 Electrolytes & Gut Health: What’s Hype, What’s Helpful, and What’s Right For You?
—
✉️ CONNECT WITH ME: ⤵️
👩🏻⚕️ Apply For Coaching
🖥️ 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!
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:
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👤 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.
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
📌 The Upside of Stress by Kelly McGonigal
📌 Gut Harmony Method Program (IBS & Gut Health Coaching)
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✉️ CONNECT WITH ME: ⤵️
🖥️ 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!
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
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🤝 SUPPORT THE CAMH FOUNDATION FOR THE CONSTANTINE YORKVILLE 5K: ⤵️
https://raceroster.com/events/2025/96738/2025-constantine-yorkville-run/pledge/participant/38848322
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👩🏻💻 RESOURCES & LINKS MENTIONED: ⤵️
📌 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
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✉️ CONNECT WITH ME: ⤵️
🖥️ 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!
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.
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👩🏻💻 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
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✉️ CONNECT WITH ME: ⤵️
🖥️ 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!