The Gut Health Dialogues
I'm Alyssa Simpson, a Registered Dietitian specializing in digestive health. This podcast is for people with IBS, SIBO, and other stomach issues to learn how to calm their symptoms and improve their gut health using natural solutions like diet, supplements, and lifestyle changes.
Episodes
102 episodes
Can Betrayal & Trauma Affect Your Gut? The Hidden Link Between Betrayal & Digestive Issues ft. Dr. Debi Silber
What if your gut symptoms weren’t just about food, but about something much deeper? In this episode, Alyssa sits down with Dr. Debbie Silber, founder of the Post Betrayal Transformation Institute, to explore the powerful and often overlooked co...
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38:41
When a Low Fiber Approach Can Help: What to Eat During Flares and Sensitivity
Have you ever tried to do everything right for your gut - add more fiber, eat more vegetables, sprinkle chia seeds on everything, only to feel worse instead of better? There are times when pushing fiber can actually make symptoms more uncomfort...
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17:04
What to Eat with Diverticulosis: Fiber, Nuts, Seeds & the Diet Advice Most People Get Wrong
In this episode, Alyssa breaks down the most common misconceptions about the diverticulosis diet and explains what current research actually shows about fiber, seeds, nuts, and everyday eating patterns. Many people unintentionally mix up divert...
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26:36
How to Support a Loved One With Digestive Issues (Without Making Things Harder)
Digestive issues don’t just affect the person experiencing symptoms. They affect relationships, routines, meals, plans, and emotional safety. In this episode, Alyssa talks to the partners, parents, and loved ones who are watching someone they c...
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46:02
From Education to Execution: Making Elimination Diets Work in Real Life with Laurie Gauguin
If you’ve ever stared at your elimination diet food list thinking, “What on earth am I supposed to eat?”, this episode is for you. Alyssa sits down with professional chef Laurie Gauguin, author of Heal Simply: 1-2-3 Ingredient Recipes for Elimi...
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38:58
High Fiber Diet: What to Eat, Why It Matters, And How to Do It Without Upsetting Your Gut
Fiber is everywhere right now. It’s being praised as the answer for gut health, blood sugar, cholesterol, hormones, and weight regulation, often all at once. And yet, for many people, actually trying to eat more fiber leads to the opposite of w...
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39:43
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Hydrogen Sulfide SIBO: The Nitty-Gritty of the Tools We Use & Why
In this episode, Alyssa takes the conversation around hydrogen sulfide SIBO one level deeper. She shares how hydrogen sulfide SIBO is actually approached in practice, and why jumping ahead, whether to antimicrobials, binders, or protocols, ofte...
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27:18
Why Methane SIBO Causes Weight Gain (Even When Eating Less)
Have you ever looked at your plate and thought, “I’m eating less than ever… so why is my weight going up?” If you’ve tried low-FODMAP, cut sugar and carbs, cleaned up your diet, and somehow feel heavier, slower, and more inflamed, this episode ...
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24:27
Hydrogen Sulfide SIBO Diet & Recovery: What Finally Worked for Doug
In this episode of The Gut Health Dialogues Podcast, Alyssa Simpson sits down with her client Doug, who shares his powerful journey from being house-bound and limited to a “safe” diet of chicken and rice, to reclaiming his gut health, his confi...
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45:19
Hydrogen Sulfide SIBO: Why Most Approaches Fall Short and How to Fully Address It Naturally
In this episode, Alyssa Simpson unpacks a common yet widely misunderstood subtype of small intestinal bacterial overgrowth (SIBO): hydrogen sulfide SIBO. Many people with this pattern have spent years chasing answers, trying diets like l...
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53:29
When Your Body Feels Toxic After Eating: The Sulfur Clue Everyone Misses
Have you tried low FODMAP, gluten-free, dairy-free, or elimination diets and still feel sick after eating? In this episode, Alyssa Simpson breaks down one of the most confusing and misunderstood nutrition strategies in gut health: the low sulfu...
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41:18
How Foodini Is Making Eating Out Safer for People With Celiac, Food Allergies & Sensitivities ft. Dylan McDonnell
Eating out with food allergies, celiac disease, IBS, or food sensitivities can feel overwhelming — and sometimes unsafe. In this episode, Alyssa Simpson chats with Dylan McDonnell, founder of Foodini, about how technology and regulation ...
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37:32
Holiday Stress & Digestion: How to Keep Your Gut Calm During the Busiest Season of the Year with Dr. Navidi
The holidays are the most wonderful time of the year. But for many people, they’re also a perfect storm of stress, irregular routines, rich meals, travel, and unpredictable digestion.In this holiday special episode, Alyssa Simpson teams ...
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21:53
Fatty Liver Disease: What It Is, What Causes It, and How to Start Healing with Food & Lifestyle
In this episode, Alyssa explains what fatty liver actually means, why it’s more common than most people think, and why it’s fundamentally a metabolic problem tied to insulin resistance, sugar, and inflammation. Most importantly for her gut-sens...
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44:09
Gut Health, Hormones & Toxic Load: The Real Reasons Weight Won’t Budge with Dr. Joy Ostroff
In this episode, Alyssa sits down with Dr. Joy Ostroff, a Hawaii-based naturopathic doctor with over three decades of clinical experience, for a powerful conversation on the REAL root causes of stubborn weight that diets never address.Dr...
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41:58
How Constipation Overloads Your Liver and Ruins Your Sleep, And How to Heal with Real Food
In this episode, Alyssa unpacks a connection that many people don’t realize is at the heart of their gut health struggles: the tight interplay between constipation, liver overload, and sleep disruption.If you wake up between 1–3 AM, feel...
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27:09
Stop Doing Detox Wrong: What Your Liver & Gut Actually Need To Detox Naturally
In this episode, Alyssa breaks down one of the biggest myths in wellness: that your body needs a “cleanse” or “detox tea” to reset. If you’ve ever skipped meals, done a juice fast, or spent money on detox kits, thinking you’re helping your live...
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34:58
Methane SIBO Diet Beyond Low FODMAP - A GI Dietitian's Real World Approach
In this episode, host Alyssa Simpson opens up the mess of conflicting diet advice many with methane SIBO face: low FODMAP, low carb, low fiber, and gives you a clear, real-world eating plan built for methane-dominant SIBO (IMO). She shares what...
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30:01
Methane SIBO Treatment: Why a Comprehensive Approach Matters
If you’ve done everything right, low FODMAP, antibiotics, supplements, and your methane SIBO symptoms (bloating, constipation, stomach discomfort) still come back, this episode will give you the answers you’ve been looking for. Alys...
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52:38
What is Methane SIBO? The Hidden Diagnosis Behind Bloating & Constipation
If you’ve been eating “perfectly,” taking your probiotics, and still feel bloated, backed up, or uncomfortable, you might be dealing with Methane SIBO, also known as Intestinal Methanogen Overgrowth (IMO), a commonly missed diagnosis that’s kee...
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28:56
Nervous System Healing for Gut & Chronic Illness with Niki D’Agostino
In this episode, Alyssa Simpson is joined by Nikki D’Agostino, a nervous system retraining specialist, to dive deep into Primal Trust, a program built on neuroplasticity, somatic practices, and trauma healing. They explore how chronic stress, l...
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34:41
Why Healthy Foods Can Trigger IBS & Bloating (And What to Eat During a Flare)
In this episode, Alyssa Simpson breaks down one of the most confusing gut health struggles: why nourishing foods like vegetables, lentils, or garlic can suddenly trigger bloating, gas, cramping, or flare-ups. Alyssa explains the sur...
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28:21
Understanding POTS, Vagus Nerve Dysfunction, and EDS – How the Autonomic Nervous System Impacts Gut Health with Dr. Diana Driscoll
In this episode of The Gut Health Dialogues, Alyssa Simpson sits down with Dr. Diana Driscoll—optometrist, researcher, and author of The Driscoll Theory—to uncover connections between gut health, vagus nerve dysfunction, chron...
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58:16
Diet vs Meds: What’s Actually Stopping Your Constipation Medication from Working
If you’ve tried more fiber, magnesium, MiraLAX, and water—but you’re still backed up—this episode is for you. Alyssa dives deep into constipation, busts myths, and shows what really moves the needle when your gut is sluggish. She covers why “he...
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30:43
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The Root Causes of Histamine Intolerance Nobody Talks About with Jennifer Fugo
Histamine intolerance might feel like the final answer, but what if it’s really just the tip of the iceberg?In this episode, Alyssa sits down with Jennifer Fugo, MS, LDN, CNS — a clinical nutritionist and host of the ...
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58:40
