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
95 episodes
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
How I’d Start Healing SIBO If I Were Diagnosed Today
If you’ve ever wondered:Why does my SIBO keep coming back?How do I know if my gut is really healing?Where should I start without wasting time and money?…this conversation has the answers you’ve been se...
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34:56
What To Eat For SIBO (And Why Elimination Alone Won’t Heal You)?
In this episode, Alyssa unpacks one of the most confusing questions people with SIBO face: What can I actually eat?If you’ve ever been stuck on chicken and rice because everything else feels like a trigger, this conversation wil...
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31:11
How To “Train Your Gut” To Behave Well Now (And Why Waiting Can Backfire)
If your gut feels unpredictable — flaring up at random foods, reacting to stress, or leaving you anxious about your next meal — your digestion is NOT broken. Your gut just needs retraining.In this episode, Alyssa explains how you can “te...
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29:27
Are You Managing Your Gut Or Actually Healing It?
Eating five “safe” foods and tracking symptoms isn’t healing your gut – it’s managing your symptoms.If you’re eating the same few foods, timing meals, keeping food journals, planning outings around bathrooms, or leaning on suppleme...
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21:28
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Gamifying Gut Health: How Shelby Hit 30 Plants a Week - and Had Fun Doing It
In this episode, Alyssa sits down with her client, Shelby, who was struggling for years with severe gut issues from chronic constipation/diarrhea cycles to unexplained hives and the frustration of living on a low FODMAP, low histamine diet, whi...
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31:14
Foods That Cause Inflammation (And How To Calm It Naturally)
In this powerful episode, Alyssa dives deep into a topic that frustrates so many people trying to “eat clean” but still feeling bloated, puffy, and reactive—inflammation.If you've ever wondered why you’re reacting to foods that us...
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28:11
Can Your Brain Fix Your Gut? A Look at CBT & Gut-Directed Hypnotherapy with Dr.Navidi
In this episode, host Alyssa Simpson is joined by GI psychologist and gut-brain expert Dr. Navidi to explore one of the most overlooked drivers of chronic digestive issues: the gut-brain connection.They dive into a category of conditions...
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52:14
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