The GutFit Nutrition Podcast

Leigh Merotto, Dietitian | IBS, Gut Health and Fitness Expert
  • 5.0 (2)
  • NUTRITION
  • UPDATED WEEKLY

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!

  1. 50: Marathon Training: How to Prevent Gut Issues + Injury (Runner's GI Survival Guide)

    MAR 27

    50: Marathon Training: How to Prevent Gut Issues + Injury (Runner's GI Survival Guide)

    Struggling with gut issues during marathon training? From bloating and reflux to urgent bathroom stops mid-run, digestive issues affect up to 50% of endurance athletes—and they can seriously impact your performance if not addressed. As a Registered Dietitian and endurance athlete, I’m sharing both the science and real-life strategies I use (and teach my clients) to prevent gut issues during training, so you can perform your best without digestive setbacks. YOU’LL TAKEAWAY:  ✅ Why gut issues are so common in runners and endurance athletes ✅ How to prevent runner’s stomach during training and racing ✅ What “gut training” is and how to implement it ✅ The role of low FODMAP, low fibre, and low fat nutrition for performance fuelling ✅ How to reduce injury risk while increasing mileage — 👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️ 💡 Ready to take it further?Get my Pre & Post Workout for a Happy Gut Mini Course + Resource Bundle 🚀 Want personalized support?Apply for 1:1 Coaching (IBS, Gut Health + Performance) — ✉️ CONNECT WITH ME: ⤵️ 📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠ 🎁 ⁠⁠⁠Grab a Freebie!⁠⁠⁠  — ENJOYING THE PODCAST? Your rating & review help this show get into the earbuds of more listeners navigating gut issues, IBS & fatigue. Scroll down in Apple Podcasts or Spotify, tap ⭐⭐⭐⭐⭐, and write one quick sentence.Not sure what to say? Try: “I listen to this podcast because…” 🎧

    42 min
  2. 49: Top 8 Positivity Tools For Anxiety, Mood & Gut Health

    MAR 21

    49: Top 8 Positivity Tools For Anxiety, Mood & Gut Health

    If you’ve been feeling anxious, overwhelmed, or mentally drained lately, this episode is for you. As a Registered Dietitian specializing in gut health, I’m diving into the powerful gut-brain connection and sharing my top positivity resources — including books, exercises, and simple tools that can help you boost your mood naturally, support your mental health, and improve how your body feels from the inside out. YOU’LL TAKEAWAY:  ✅ A deeper understanding of the gut-brain connection and its impact on mood and digestion ✅ 8 powerful tools and resources to help boost mood naturally and support mental well-being ✅ Practical strategies to navigate anxiety and stress in a more grounded, intentional way ✅ Ways to improve focus, reduce digital overwhelm, and support your overall emotional health — 👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️ 📌 The Negativity Fast 📌 Stolen Focus 📌 www.health.harvard.edu/blog/if-you-are-happy-and-you-know-it-you-may-live-longer-2019101618020  📌 Morning Habits – What to Do First Thing For IBS & Bloating Relief: Episode 17 — ✉️ CONNECT WITH ME: ⤵️ 📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠ 🎁 ⁠⁠⁠Grab a Freebie!⁠⁠⁠  🖥️ ⁠⁠ Shop the Resource Suite⁠⁠⁠ 👩🏻‍⚕️ ⁠⁠⁠Apply For Coaching⁠⁠⁠ — ENJOYING THE PODCAST? Your rating & review help this show get into the earbuds of more listeners navigating gut issues & wanting to fuel performance. 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…” 🎧

    29 min
  3. 48: Can Your Gut Microbiome Impact Your Weight? 6 Gut Friendly Tools For Sustainable Weight Loss

    MAR 13

    48: Can Your Gut Microbiome Impact Your Weight? 6 Gut Friendly Tools For Sustainable Weight Loss

    Trying to seek weight loss goals without sacrificing energy, your health and tanking your metabolism? In this episode, I’m sharing 6 practical tips to stay healthy while losing weight, and why your gut microbiome may play an important role in weight management and body composition! There’s a lot of conflicting advice online about weight loss. As a Registered Dietitian, I take a weight-neutral approach and focus on strategies that support long-term metabolic health, energy, and healthy body composition (muscle, fat ratios) rather than restriction or focus on numbers. YOU’LL TAKEAWAY:  ✅ How protein and fibre intake can support appetite control, satiety, and healthy weight loss ✅ What the research says about the gut microbiome and its potential connection to weight ✅ How chrononutrition and eating in alignment with your circadian rhythm may impact metabolism ✅ Why focusing on body composition and visceral fat, rather than just the number on the scale, is key for long-term health — 👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️ 👩🏻‍⚕️ ⁠⁠⁠Apply For Coaching⁠⁠⁠ (IBS, Gut Health & Performance) 📌 https://pubmed.ncbi.nlm.nih.gov/37163454/ 📌 https://pubmed.ncbi.nlm.nih.gov/34746200/ 📌 https://www.sciencedirect.com/science/article/pii/S0022316623026792 — ✉️ CONNECT WITH ME: ⤵️ 📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠ 🎁 ⁠⁠⁠Grab a Freebie!⁠⁠⁠  🖥️ ⁠⁠ Shop the Resource Suite⁠⁠⁠ — ENJOYING THE PODCAST? Your rating & review help this show get into the earbuds of more listeners navigating gut issues & wanting to fuel performance. 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…” 🎧

    25 min
  4. 47: Nickel Allergy & IBS: The Connection You Need to Know

    MAR 6

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

    If your IBS symptoms aren’t improving on a low FODMAP diet, there may be an overlooked trigger: nickel. In this episode, we explore the interesting connection between Nickel Allergy and IBS, including a condition called Systemic Nickel Allergy Syndrome (SNAS) that can mimic classic digestive disorders like IBS! YOU'LL TAKEAWAY: ✅ How Nickel Allergy and IBS may be connected through Systemic Nickel Allergy Syndrome (SNAS) ✅ Why some people have IBS symptoms not improving on low FODMAP ✅ Common high nickel foods that may trigger digestive symptoms ✅ When to consider nickel allergy testing or a short-term low nickel diet — 👤 TODAY’S GUEST: TAMARA  DEUKER FREUMAN, MS, RD, CSDH Tamara Duker Freuman is a New York City-based registered dietitian with 15 years of experience in clinical gastroenterology practice settings, specializing in the dietary management of digestive symptoms and diseases. Freuman is also a nationally known health writer and the author of two books, "The Bloated Belly Whisperer" (2018) and “REGULAR” (2023). 📌 Tamara’s Website 📌 Tamara’s Instagram — ✉️ CONNECT WITH ME: ⤵️ 📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠ 🎁 ⁠⁠⁠Grab a Freebie!⁠⁠⁠  🖥️ ⁠⁠ Shop the Resource Suite⁠⁠⁠ 👩🏻‍⚕️ ⁠⁠⁠Apply For Coaching⁠⁠⁠ — ENJOYING THE PODCAST? Your rating & review help this show get into the earbuds of more listeners navigating gut issues, IBS & fatigue. Scroll down in Apple Podcasts or Spotify, tap ⭐⭐⭐⭐⭐, and write one quick sentence. Not sure what to say? Try: “I listen to this podcast because…” 🎧

    44 min
  5. 46: Colon Cancer: Rising Rates & 5 Evidence Based Strategies to Lower Your Risk

    FEB 28

    46: Colon Cancer: Rising Rates & 5 Evidence Based Strategies to Lower Your Risk

    Colorectal cancer is rising, especially early-onset colon cancer in adults under 50. But the good news is that much of your risk is modifiable. In this evidence-based episode, we break down what you need to know about colorectal cancer prevention, including the most current research on diet, lifestyle, and the gut microbiome! YOU’LL TAKEAWAY:  ✅ An overview of rising early-onset colon cancer rates and what it means for colorectal cancer prevention ✅ How dietary fibre and colon cancer risk are connected, including the protective role of whole grains and cancer risk reduction ✅ The impact of physical activity and colon cancer outcomes, and how a sedentary lifestyle and cancer mortality are linked ✅ What the evidence says about gut microbiome and butyrate production, plus the role of ultra-processed foods and cancer risk, including red and processed meat consumption — 👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️ 📌Want high touch, comprehensive coaching for IBS & gut health? ⁠⁠⁠Apply For Coaching⁠⁠⁠ 📌 https://pmc.ncbi.nlm.nih.gov/articles/PMC9025960/ 📌 https://pubmed.ncbi.nlm.nih.gov/26500336/ 📌 ⁠https://pubmed.ncbi.nlm.nih.gov/30200062/⁠ 📌 ⁠https://pubmed.ncbi.nlm.nih.gov/22074852/⁠ 📌 ⁠https://pubmed.ncbi.nlm.nih.gov/40146871/ 📌 Episode 40 - Colorectal Cancer Under 50? A Surgeon Breaks Down the Rise & How to Lower Your Risk — ✉️ CONNECT WITH ME: ⤵️ 📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠ 🎁 ⁠⁠⁠Grab a Freebie!⁠⁠⁠  🖥️ ⁠⁠ Shop the Resource Suite⁠⁠⁠ — ENJOYING THE PODCAST? Your rating & review help this show get into the earbuds of more listeners wanting to improve their digestive health & fitness. 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…” 🎧

    37 min
  6. 45: 3 Little Known Ways to Improve Your Microbiome Health (Puppies, Cleaning Products & more!)

    FEB 20

    45: 3 Little Known Ways to Improve Your Microbiome Health (Puppies, Cleaning Products & more!)

    Your gut health isn’t just about what you eat! In this episode, I’m sharing 3 little-known, evidence supported ways to improve your gut microbiome that go beyond diet — and can support better digestion, mood, energy, immune resilience, and even performance! YOU’LL TAKEAWAY:  ✅ What the gut microbiome is and why microbial diversity is critical for digestion, immunity, metabolism, and mental health ✅ How over-sanitizing may reduce microbial resilience and how to apply a targeted hygiene approach ✅ Why exposure to natural environments and pets may positively influence gut microbial diversity ✅ How short bursts of high-intensity exercise can enhance gut health & result in positive microbiome changes — 👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️ 📌 Want to crush your workouts without the gut distress? Grab my Pre & Post Workout For a Happy Gut Mini Course and Resource Bundle 📌Join FREE Masterclass: 6 Step Blueprint to Conquering IBS & Gut Pain  📌https://doi.org/10.3389/fcimb.2020.00073 📌https://pubmed.ncbi.nlm.nih.gov/23607879/ 📌https://pubmed.ncbi.nlm.nih.gov/30883471/ — ✉️ CONNECT WITH ME: ⤵️ 📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠ 🎁 ⁠⁠⁠Grab a Freebie!⁠⁠⁠  🖥️ ⁠⁠ Shop the Resource Suite⁠⁠⁠ 👩🏻‍⚕️ ⁠⁠⁠Apply For Coaching⁠⁠⁠ — ENJOYING THE PODCAST? Your rating & review help this show get into the earbuds of more listeners navigating gut issues, IBS & fatigue. Scroll down in Apple Podcasts or Spotify, tap ⭐⭐⭐⭐⭐, and write one quick sentence. Not sure what to say? Try: “I listen to this podcast because…” 🎧

    30 min
  7. 44: Chronic Constipation? Common Culprits & What You Can Do About Them

    FEB 14

    44: Chronic Constipation? Common Culprits & What You Can Do About Them

    Have you tried following your doc’s recommendations and just upped the fiber and water… OR simply taken a prescription laxative like Restoralax or Miralax and a fiber supplement per the Rx, and gone on your way? But you’re still struggling with chronic constipation and irregularity… Today we’re chatting about the common — and often complex — reasons for constipation to consider, and what you can do to support those healthy daily poops.  YOU’LL TAKEAWAY:  ✅ 3 types of primary constipation (slow transit, normal transit and pelvic floor dysfunction) ✅ How diet, mental health, hormones, toiletting habits, medications can cause constipation ✅ Simple at home tools to uncover the underlying drivers for your constipation ✅ Understand IBS-constipation vs. functional constipation (not the same!) — 👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️ 📌 Want high touch support for IBS & Gut Relief? Apply for the Gut Harmony Method Program! 📌 Pelvic Floor Dysfunction and IBS: Expert Insights, Red Flags, and Self-Check Tools  — ✉️ CONNECT WITH ME: ⤵️ 📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠ 🎁 ⁠⁠⁠Grab a Freebie!⁠⁠⁠  🖥️ ⁠⁠ Shop the Resource Suite⁠⁠⁠ — ENJOYING THE PODCAST? Your rating & review help this show get into the earbuds of more listeners navigating gut issues, IBS & fatigue. Scroll down in Apple Podcasts or Spotify, tap ⭐⭐⭐⭐⭐, and write one quick sentence. Not sure what to say? Try: “I listen to this podcast because…” 🎧

    37 min
  8. 43: Breaking Down 4 Viral Gut Health Trends (Fibremaxxing, Aloe Vera, Beet Juice + Juice Fart Walks)

    FEB 7

    43: Breaking Down 4 Viral Gut Health Trends (Fibremaxxing, Aloe Vera, Beet Juice + Juice Fart Walks)

    Aloe vera juice. Beet juice “cleanses.” Fart walks. Fibremaxxing. But… which of these current social media trends actually holds up under scientific scrutiny? 🤔 YOU’LL TAKEAWAY:  ✅ Which trends are mostly hype vs. evidence-based ✅ What might help IBS, and what could make symptoms worse ✅ How to approach fibre strategically if you have gut issues ✅ Why “science-based” on social media  doesn’t always mean… science-based — 👩🏻‍💻 RESOURCES & LINKS MENTIONED: ⤵️ 📌 Want to learn my step by step Blueprint to IBS & Gut Pain Relief? → Join FREE MASTERCLASS here.  — ✉️ CONNECT WITH ME: ⤵️ 📱⁠⁠⁠⁠Follow on Instagram⁠⁠⁠ 🎁 ⁠⁠⁠Grab a Freebie!⁠⁠⁠  🖥️ ⁠⁠ Shop the Resource Suite⁠⁠⁠ 👩🏻‍⚕️ ⁠⁠⁠Apply For Coaching⁠⁠⁠ — ENJOYING THE PODCAST? Your rating & review help this show get into the earbuds of more listeners navigating gut issues, IBS & fatigue. Scroll down in Apple Podcasts or Spotify, tap ⭐⭐⭐⭐⭐, and write one quick sentence. Not sure what to say? Try: “I listen to this podcast because…” 🎧

    20 min
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Ratings & Reviews

5
out of 5
2 Ratings

About

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!

Information

  • Creator
    Leigh Merotto, Dietitian | IBS, Gut Health and Fitness Expert
  • Years Active
    2025 - 2026
  • Episodes
    50
  • Rating
    Clean
  • Copyright
    © Leigh Merotto, Dietitian | IBS, Gut Health and Fitness Expert
  • Show Website
    The GutFit Nutrition Podcast

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