The Gut Health Dialogues

<p>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.</p>

How Constipation Overloads Your Liver and Ruins Your Sleep, And How to Heal with Real Food

Send us a text 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 sluggish, bloated, or totally backed up the next day, this episode is for you. In this episode, Alyssa explains the powerful (and often overlooked) link between constipation, liver stress, and sleep disruption, and how real food and simple rit...

11-26
27:09

Stop Doing Detox Wrong: What Your Liver & Gut Actually Need To Detox Naturally

Send us a text 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 liver and gut, this one’s for you. Alyssa explains what actually happens to your digestion, metabolism, and liver when you restrict food and why those “gut resets” can backfire, leaving you feeling more bloated, fatigued, and inflamed.&...

11-13
34:58

Methane SIBO Diet Beyond Low FODMAP - A GI Dietitian's Real World Approach

Send us a text 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 really works, what often fails, and how to shift from feeling stuck in symptom chaos to feeling intentional and nourished again. Resources mentioned: Download the Methane SIBO Diet Plan: a 7-day guide to calm bloating and reset your gut ...

11-04
30:01

Methane SIBO Treatment: Why a Comprehensive Approach Matters

Send us a text 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. Alyssa walks listeners through her six-step framework for methane SIBO recovery, explaining why antibiotics alone or diet tweaks only scratch the surface. From the gut-brain connection to root cause mapping, this conversation goes beyond symptom ma...

10-29
52:38

What is Methane SIBO? The Hidden Diagnosis Behind Bloating & Constipation

Send us a text 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 keeping your gut stuck in slow motion. In this episode, Alyssa Simpson breaks down: What Methane SIBO actually is and how it’s different from hydrogen SIBOWhy it causes bloating, constipation, and sluggish digestionHow stress, surgeries, and...

10-21
28:56

Nervous System Healing for Gut & Chronic Illness with Niki D’Agostino

Send us a text 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, limbic system impairment, and unconscious trauma can lock your body and brain into survival mode, interfering with digestion, nutrient absorption, immune function, and overall healing. You will get clarity on: Why gut healing often stalls ...

10-14
34:41

Why Healthy Foods Can Trigger IBS & Bloating (And What to Eat During a Flare)

Send us a text 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 surprising reasons behind this — from gut inflammation and bacterial overgrowth (like SIBO) to histamine intolerance, food sensitivities, and sluggish digestion. More importantly, she shares practical, hope-filled strategies you can use right now ...

10-07
28:21

Understanding POTS, Vagus Nerve Dysfunction, and EDS – How the Autonomic Nervous System Impacts Gut Health with Dr. Diana Driscoll

Send us a text 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, chronic inflammation, and conditions like POTS, SIBO, long COVID, and Ehlers-Danlos Syndrome. Dr. Driscoll shares her journey from being incapacitated by illness to discovering root causes medicine often misses. She explains how vagus nerve dysfunction affects ...

10-02
58:16

Diet vs Meds: What’s Actually Stopping Your Constipation Medication from Working

Send us a text 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 “healthy” foods can sometimes make things worse, what your gut actually needs to start moving, and small shifts in timing, hydration, and food pairings that can bring real relief. What you’ll learn in this episode: Which foods (even “h...

09-24
30:43

The Root Causes of Histamine Intolerance Nobody Talks About with Jennifer Fugo

Send us a text 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 Healthy Skin Show — to uncover the real root causes behind histamine intolerance and chronic skin issues. They uncover why antihistamines don’t always help, why low histamine diets often fail long-term, and what hidden root causes could be driving your sympt...

09-17
58:40

How I’d Start Healing SIBO If I Were Diagnosed Today

Send us a text 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 searching for. In this episode, Alyssa reveals the exact approach she would take if she were diagnosed with SIBO today. But here’s the catch—it’s probably not what you’ve been told by the internet or even some practitioners. Instead of jumping into random antimicrobials or e...

08-30
34:56

What To Eat For SIBO (And Why Elimination Alone Won’t Heal You)?

Send us a text 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 will feel familiar. Alyssa explains why overly restrictive SIBO diets may bring short-term relief but can also backfire—slowing down healing, weakening motility, and leaving your gut more fragile over time. You will learn: Why elimination diets alone don’t...

08-28
31:11

How To “Train Your Gut” To Behave Well Now (And Why Waiting Can Backfire)

Send us a text 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 “teach” your gut to become more tolerant, flexible, and resilient — and why waiting for the “perfect time” to start often makes things worse. You’ll discover: ✅ Why avoidance and restriction can reinforce gut sensitivity ✅ How to reintroduce fo...

08-26
29:27

Are You Managing Your Gut Or Actually Healing It?

Send us a text 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 supplements just to get through a meal… you’re not healing. You’re surviving. And while that may work short-term, it keeps you stuck in “management mode” — which makes true healing feel further and further away. In this episode of The Gut Health Dialog...

08-21
21:28

Gamifying Gut Health: How Shelby Hit 30 Plants a Week - and Had Fun Doing It

Send us a text 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, while also being vegetarian. After discovering she had SIBO and working through a targeted gut healing protocol with Alyssa, Shelby’s symptoms dramatically improved. But what really made her diet sustainable was gamifying her plant diversity...

08-15
31:14

Foods That Cause Inflammation (And How To Calm It Naturally)

Send us a text 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 used to be fine, or why “healthy” choices leave you feeling worse, this episode will change the way you think about food and your gut. Alyssa breaks down what inflammation really is, how it's connected to your immune system, gut, and food sensitivities,...

08-07
28:11

Can Your Brain Fix Your Gut? A Look at CBT & Gut-Directed Hypnotherapy with Dr.Navidi

Send us a text 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 known as Disorders of Gut-Brain Interaction (DGBIs)—which include IBS, bloating, reflux, functional constipation, nausea, and more. Millions live with these diagnoses without realizing their symptoms are being driven, not just by food, but by ...

07-31
52:14

Can you drink alcohol when your gut health is compromised?

Send us a text In this episode, Alyssa dives deep into a topic that often leaves those with gut health issues scratching their heads: Can you enjoy alcohol without compromising your gut health? This episode is packed with actionable insights for anyone navigating sensitive digestion, bloating, or microbiome imbalances. If you’ve ever wondered whether that cocktail is worth the aftermath, this episode is for you. Alyssa shares an honest and practical approach to drinking alcohol while managing...

07-23
28:46

Acid Reflux Relief: Root Causes & Practical Solutions with Molly Pelletier

Send us a text In this episode, Alyssa chats with Molly Pelletier, a board-certified Dietitian and founder of FLORA Nutrition. Molly shares her journey from battling acid reflux and IBS to becoming a global leader in digestive health. She combines cutting-edge GI science with integrative modalities to provide effective solutions for her clients. From the significance of fiber diversity to managing stress and motility, this episode sheds light on holistic ways to heal the gut and reclaim quali...

07-16
42:42

Gut Health 101: How to Manage Lactose Intolerance Without Sacrificing Nutrition

Send us a text In this episode, Alyssa dives deep into lactose intolerance, a common digestive challenge. Learn what lactose intolerance really means, how to identify it, and ways to enjoy a varied and nutritious diet without discomfort. She explores alternative sources of calcium, vitamin D, and protein for those avoiding dairy, plus practical tips for grocery shopping, dining out, and traveling dairy-free. Alyssa also discusses underlying conditions like IBS, SIBO, and histamine intolerance...

07-09
25:47

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