Best RD Test Systems Podcasts (2025)

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390: Histamine Intolerance, MCAS + Mastocytosis: What’s The Difference? w/ Dr. Mariana Castells 47:52

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5d ago47:52

47:52

Histamine intolerance is typically mild, but Mastocytosis is the most severe form of mast cell disorder—often taking nearly a decade to diagnose. Symptoms can affect multiple organs, from rashes and GI issues to life-threatening anaphylaxis, and standard treatments like low-histamine diets and antihistamines often fail. Many doctors aren’t familiar…

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S5E2: Manifestation, Nervous System Healing & Finding Your Flow After Rock Bottom with Mayssa Chehata 56:52

8d ago56:52

56:52

What if hitting rock bottom wasn’t the end - but the brutal, messy beginning of your rebirth? In this episode, Mayssa Chehata (founder of Behave Candy) pulls back the curtain on her breakdown-to-breakthrough journey: from burnout, self-sabotage, and maxed-out credit cards to rebuilding her nervous system, business, and self-worth from scratch. No s…

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Tackling Rain Erosion on Wind Turbines 59:33

12d ago59:33

59:33

Listen for an in-depth webinar on rain erosion and leading-edge protection (LEP) for wind turbines, hosted by R&D Test Systems and featuring expert insights from the Danish Technical University (DTU) and Hempel A/S. Rain erosion is a critical issue affecting the performance and longevity of wind turbine blades. This webinar brings together leading …

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S5E1: The Nourishment Gap: How Under-Eating Wrecks Your Hormones & Energy 44:05

22d ago44:05

44:05

Ever feel like no matter what you eat, your energy crashes, your hormones feel out of whack, or you’re just never truly satisfied? In this episode, Monica and Norah dive deep into nourishment- not just food, but how to truly fuel your body, mind, and soul. They share personal struggles with under-eating, the real impact of nutrition on hormones, an…

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389: Topical Steroid Withdrawal Treatment Using Traditional Chinese Medicine {NEW RESEARCH} w/ Dr. Olivia Hsu Friedman, DACM 48:18

26d ago48:18

48:18

What’s the best treatment for Topical Steroid Withdrawal (TSW)? While answers are still emerging, we’re getting closer. TSW is a misunderstood, drug-induced condition that goes far beyond typical eczema. Many sufferers feel dismissed by doctors since there’s no formal diagnostic criteria and many dermatologists deny its existence. Yet symptoms like…

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388: GI Map Stool Test Analysis: ChatGPT vs Clinical Nutritionist (Which Is Better?) 40:02

1M ago40:02

40:02

Can ChatGPT accurately analyze a GI Map stool test? I put it to the test using my own stool test results—and the outcome was… shocking. Because more people rely on AI for lab interpretation and even protocols, I thought it would be valuable to see how its advice compares to that of a seasoned clinical nutritionist (with over 8 years of experience).…

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387: Hydrogen Sulfide Small Intestine Bacterial Overgrowth (Diet, Symptoms, SIBO Testing Challenges, Treatments) w/ Dr. Allison Siebecker, ND 50:00

1M ago50:00

50:00

Think you might have IBS or Small Intestine Bacterial Overgrowth—but diet changes aren’t helping? There’s a lesser-known type of SIBO that’s often missed: Hydrogen Sulfide SIBO. Unlike the hydrogen or methane types, hydrogen sulfide is a neurotoxin that can trigger strange symptoms—like nerve pain, bladder irritation, or even fibromyalgia-like pain…

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386: Do I Have Parasites? What Parasite Signs REALLY Mean w/ Robin Foroutan RD 44:31

2M ago44:31

44:31

Wondering if parasites are behind your skin or health issues? With social media buzzing about parasite cleanses, it’s easy to feel confused (or even panicked). The truth is, not all parasites are harmful—some may even regulate your immune system. But others can silently contribute to chronic hives, cystic acne, and food sensitivities. And a poorly …

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385: Hidradenitis Suppurativa Diet: Can It Really Stop The Painful Skin Boils? 31:16

2M ago31:16

31:16

Calling all Hidradenitis Suppurativa (HS) warriors – if you’ve wondered whether diet changes could help. The short answer? It might. While diet alone won’t be a cure-all, many people have seen fewer flares and less pain by making specific changes. In this episode, I’m breaking down what we do know about the Hidradenitis Suppurativa diet connection,…

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384: Peptides For Skin Problems: Do GLP-1 + BPC-157 Peptides Really Stop Inflammation? w/ Natalie Niddam 55:01

2M ago55:01

55:01

Peptides for skin and gut health are all the rage—but do they really work? From BPC-157 to KPV and GLP-1 meds like Ozempic, these compounds are gaining traction for their potential to calm inflammation, support leaky gut, and improve chronic skin issues (psoriasis and eczema). But with so much hype, what’s real? Joining me is Nathalie Niddam—holist…

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383: Coffee Enema Side Effects No One Talks About (Beware Of These Liver Detox + Gut Issues) 21:19

3M ago21:19

21:19

Coffee enemas are hyped online for liver detox and gut health, but the risks are often overlooked. While influencers claim coffee enema benefits like boosted energy and toxin removal, coffee enemas can actually trigger liver and gut imbalances, toxin buildup, systemic inflammation, and even dependency. If you're serious about supporting your liver …

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PMDD AWARENESS MONTH SPECIAL: Your Questions Answered with Mandy Rother, RD 1:09:14

3M ago1:09:14

1:09:14

Hey friends, welcome back to the Flow State Podcast! This episode is a special one, not just because it’s PMDD Awareness Month, but because we’re joined again by someone you’ve probably heard and loved before: functional dietitian and PMDD advocate, Mandy Rother. If you’ve ever found yourself staring at a mountain of supplements, wondering why noth…

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382: What Is Premenstrual Dysphoric Disorder + How Awful Hormonal PMDD Symptoms Are Linked To Histamine Intolerance w/ Dr. Jolene Brighten 44:11

3M ago44:11

44:11

Do you feel like your PMS is “on steroids”? Maybe it shows up with intense mood swings or what feels like “period flu” every month. If so, you could be dealing with Premenstrual Dysphoric Disorder (PMDD)—a condition that affects 5–8% of women, yet is often brushed off by conventional doctors. PMDD symptoms can be incredibly disruptive, especially i…

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381: The Elimination Diet Problems No One Talks About (My Own Personal Journey) 42:55

3M ago42:55

42:55

Are elimination diets really the holy grail for gut healing and clearer skin—or are they quietly creating problems no one warns you about? In this personal episode, I share my journey of cutting out gluten, dairy, and eggs for years—and what happened when I finally tried to reintroduce them. Spoiler: it wasn’t smooth. From misinterpreting food sens…

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380: What’s Stasis Dermatitis (And What Does This Leg Rash Mean)? w/ Dr. Peter Lio 25:13

3M ago25:13

25:13

Ever been diagnosed with stasis dermatitis? If you’re dealing with swelling, redness, or relentless itchiness on your lower legs, it’s not just dry skin or aging—it could be a sign of poor circulation. Stasis dermatitis is more than just a rash. If left unchecked, it can lead to painful ulcers, infections, and serious complications. It’s often mist…

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379: Is Sourdough Bread Gluten Free + Healthy? (Sourdough Bread Benefits + How To Tell If It’s Real) w/ Dr. Bill Schindler 1:01:04

4M ago1:01:04

1:01:04

Have you ever wondered if sourdough bread is gluten-free — or if it could be a safe, healthy option for those with chronic health issues? You're not alone, and after years of asking the same questions, I’ve finally got some answers. In today’s episode, I speak with Dr. Bill Schindler, an archaeologist and food scientist, about the surprising truth …

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378: If You’re Highly Sensitive (How Mast Cell Activation Diseases Make You Super Reactive) w/ Michelle Shapiro, RD 42:29

4M ago42:29

42:29

If your body reacts intensely to even the smallest triggers — from healthy foods to sunlight or exercise — you might be dealing with a mast cell activation issue. These reactions often go far beyond typical histamine intolerance and can feel isolating, especially when others don’t understand what you’re going through. In this episode, I’m joined by…

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377: Natural Liver Detox Tips That Rebalance The Gut-Skin Connection (For Chronic Skin Problems) 47:58

4M ago47:58

47:58

Liver detox remedies are everywhere online — especially for chronic skin issues. But before jumping into a cleanse, it’s essential to ask why your liver might be struggling in the first place. In this episode, I join Dr. Jill Carnahan on Resiliency Radio to talk about how poor liver detox is often tied to gut imbalances and skin inflammation. We co…

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376: Natural Remedies to Build Collagen For Skin Health w/ Dr. Barbara Paldus 32:38

5M ago32:38

32:38

Frustrated by aging skin, especially after years of skin issues? Collagen damage, dryness, and barrier dysfunction—often worsened by treatments, medications, and sun exposure—can accelerate the process. So, what can you do to support healthier, more resilient skin? In this episode, Dr. Barbara Paldus joins us to explore natural strategies to repair…

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375: Is Melatonin Bad For You? (Plus, Melatonin Benefits, Dosing + Side Effects) w/ Dr. Deanna Minich 1:04:44

5M ago1:04:44

1:04:44

“Is melatonin bad for you?” It’s one of the most common questions I get — often fueled by misinformation claiming it shuts down your body’s natural production. In this episode, I’m joined by Dr. Deanna Minich, a nutrition scientist and expert in functional medicine, to bust this myth and explain why that fear is not only false but scientifically im…

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374: Mindset Of Successful Clients (Versus Those Who Struggle To Get Results) w/ Jennifer Brand, MS, MPH, CNS 54:45

5M ago54:45

54:45

Feeling stuck in your healing journey while others seem to make progress? The truth is, lasting relief from chronic skin issues like eczema and psoriasis isn’t just about the right supplement or diet — it’s also about mindset and how you show up in the process. In this episode, I’m joined by pediatric skin-focused nutritionist Jennifer Brand, MS, M…

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373: What Causes Scalp Psoriasis + That Awful Itchy Scalp? w/ Dr. Jenny Bennett 43:57

5M ago43:57

43:57

Scalp psoriasis affects nearly half of those with psoriasis — yet it’s often misdiagnosed and incredibly hard to manage. The itching, flaking, and emotional toll are real, and many treatments fall short, especially when hair thinning or loss becomes a concern. In this episode, I’m joined by Dr. Jenny Bennett, a naturopathic doctor and autoimmune sp…

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372: What Is Topical Steroid Withdrawal (And How To Advocate To Get TSW Recognized) w/ Briana Banos 53:23

6M ago53:23

53:23

Topical Steroid Withdrawal (TSW) is a painful, life-altering condition that’s often dismissed by the medical community — despite its devastating impact on both adults and children. From sleepless nights to CPS threats against parents refusing more steroids, TSW presents enormous physical and emotional challenges. In this episode, filmmaker and advo…

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371: How To Stop Feeling Overwhelmed (And Balance Nervous System Regulation) For Healing w/ Eliza Kingsford 46:49

6M ago46:49

46:49

Most people who need help with nervous system regulation, don’t realize that they need this type of help on their healing journey. So, have you ever felt like no matter how hard you try, you’re stuck in a cycle of frustration with your skin or health? Maybe you’ve diligently followed every protocol, adjusted your diet, and practiced mindset shifts—…

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370: Why The Leaky Gut Diet Doesn’t Work (And Other Ways Functional Medicine FAILS Eczema, Psoriasis + Other Skin Problems) 1:13:12

7M ago1:13:12

1:13:12

If you’ve ever googled “leaky gut” because someone said it’s why your skin is a mess, this episode is for you. While leaky gut (aka gut permeability) is common, it’s not the root cause of chronic skin issues like eczema or psoriasis—it’s a symptom of deeper problems. In this episode, I’m sharing my interview on the Balanced Bites podcast with Liz W…

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369: Continuous Glucose Monitor (CGM) Review (Especially If You Have Psoriasis, Liver Detox or Metabolic Health Concerns) 24:32

7M ago24:32

24:32

Curious about using a continuous glucose monitor (CGM) to gain insights to your blood sugar balance? In this episode, I share my personal 2-week CGM experiment—why I tried it, what I discovered, and whether it’s worth it. While certain skin conditions like psoriasis often linked to blood sugar issues, it’s crucial to explore this for your best heal…

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368: How To Create A Positive Mindset (Even If You Have A Negative Outlook Right Now) w/ Dr. Sue Varma 51:07

7M ago51:07

51:07

Ever feel like staying positive is impossible—especially when you're stuck dealing with painful, chronic skin rashes? You're not alone. And no, this isn’t about toxic positivity that ignores your reality. There’s a mindset shift called practical optimism that might actually help. It holds space for pain, grief, and tough emotions, while giving you …

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367: Is Your Rash From Mold (And Should You Get Mold Testing)? w/ Jennifer Brand, MS, MPH, CNS 39:38

7M ago39:38

39:38

Wondering if your (or your child’s) rash could be from mold exposure? This episode breaks it down for you. Chronic rashes that don’t respond to typical treatments might have an overlooked trigger—mold exposure. Whether you suspect mold in your home or just want to understand the difference between mold illness and mold allergy, this episode covers …

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366: What Are Topical Steroids (aka. Glucocorticoids) + How They Actually Work In Your Body w/ Dr. Luis Franco 52:09

8M ago52:09

52:09

Ever used topical steroids for your skin? You’re not alone—but how much do you really know about them? Topical steroids are commonly prescribed for chronic skin conditions, yet concerns about side effects (like topical steroid withdrawal) have led some to become “steroid phobic.” These medications fall under the glucocorticoids category—hormones na…

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365: How To Grow Sprouts + Microgreens (To Support Liver Detox) w/ Doug Evans 32:54

8M ago32:54

32:54

Ever wanted to grow your own sprouts but thought it was too hard? It’s easier than you think—and your liver will thank you! Sprouts, especially broccoli sprouts, are a powerful way to support liver detox and add serious nutrition to your meals. After getting tired of slimy store-bought sprouts, I learned how to sprout at home—and now even my husban…

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364: Immunoglobulin vs Colostrum Benefits (For Leaky Gut, Histamine Intolerance, Itchy Skin + More) 30:45

8M ago30:45

30:45

Curious about the difference between colostrum and immunoglobulins? If you’ve seen the buzz around colostrum, you’ll want to know why immunoglobulin (IgG) supplements may be a significantly better choice. Colostrum is lower-potency —and not always standardized—while immunoglobulins are more concentrated so they can better support gut health, histam…

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363: The End Of Extreme Diets + Exercise: Why Protein, Creatine + Metabolism-Boosting Foods For Perimenopause Weight Gain Are Better w/ Liz Wolfe 53:49

9M ago53:49

53:49

Struggling with hormonal or perimenopause weight gain—and tired of extreme diets or workouts? It’s time to focus on metabolism-boosting foods like protein, amino acids, and creatine. In this episode, Liz Wolfe joins me to unpack why decades of confusing health advice haven’t worked for women 35+. We’ll explore how to eat and move smarter—not harder…

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362: Best Test Options for Gut Parasites (As A Trigger For Skin Rash Flares) w/ Jennifer Brand, MS, MPH, CNS 41:44

9M ago41:44

41:44

Think gut parasites are only a concern if you have digestive problems (like diarrhea)? Think again. Parasites can trigger chronic skin problems—even without gut symptoms—and are notoriously hard to detect. From eczema and chronic hives to hidden nutrient deficiencies, the signs are often missed, especially in developed countries like the US. Joinin…

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361: How To Change Your Mindset (So Your Skin Doesn’t Control Your Mood) w/ Brad Bizjack 46:44

9M ago46:44

46:44

Thinking about how to change your mindset might bring on eye rolls, but shifting how you view your annoying (or debilitating) symptoms can have a huge impact on your quality of life. No one is spared from things in life that cause suffering. And yes, living with chronic skin problems, including Topical Steroid Withdrawal (TSW), can seriously damage…

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360: Natural Dandruff Treatment + Itchy Scalp Remedy for Adults (AND Cradle Cap For Kids) w/ Dr. Ruchi Gupta 38:13

9M ago38:13

38:13

Tired of flaky, itchy scalp + dandruff issues that don’t go away? You’re not alone. Whether it’s cradle cap or stubborn seborrheic dermatitis, most treatments (from medicated shampoos to steroids) miss the real problem—an imbalanced scalp microbiome and compromised skin barrier. Joining me to dig into the itchy scalp root causes and offer steroid-f…

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359: Finger + Toe Nail Psoriasis vs Fungus Infection (How To Tell The Difference) w/ Dr. Jenny Bennett 36:57

10M ago36:57

36:57

Yellow, brittle, or raised nails can be a sign of nail psoriasis or a fungal nail infection. Finger and toe nail psoriasis often hides under the nail bed, making it hard to spot until inflammation and damage set in. And if you have psoriatic arthritis, your risk of nail psoriasis is over 70%. Joining me is Dr. Jenny Bennett, a naturopathic doctor a…

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358: Surprising Skin Signs Of A Hidden Parasites-Gut Problem w/ Jennifer Brand, MS, MPH, CNS 39:46

10M ago39:46

39:46

Can gut parasites be a hidden trigger driving your skin issues nuts? Chronic hives, eczema, and psoriasis have links to gut microbiome imbalances. Yes, it’s possible to have parasites even if you don’t have digestive symptoms. In fact, parasite infections often fly under the radar and can show up in surprising ways. Joining me to explore how parasi…

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357: Got Itchy Skin Without Rash? The Surprising Neuropathic Itch Trigger No One Talks About w/ Dr. Shawn Kwatra 36:19

10M ago36:19

36:19

Ever feel intensely itchy but your skin is clear (without any rash)? You could have neuropathic itch—a type of chronic itch caused by nervous system dysfunction, not inflammation. Unlike eczema or hives, this itch appears without a rash. It can be so severe that it leads to skin damage from scratching, yet it’s often misdiagnosed or overlooked. Joi…

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356: Troubleshooting Candida In Stool Tests (+ Other Labs) w/ Jennifer Brand, MS, MPH, CNS 39:03

10M ago39:03

39:03

Think candida is the cause of your skin issues? Be careful—stool tests aren’t always reliable for spotting candida overgrowth. While signs like thrush, vaginal yeast infections, or diaper rash are more obvious, other symptoms can be subtle and easily ignored. Candida-driven inflammation in the gut can show up as rashes, eczema, or other skin proble…

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355: Is It Just Bad Genes? (What Are The Causes Of Eczema + Psoriasis On Skin) w/ Dr. Ian Myles 49:41

11M ago49:41

49:41

Do you have eczema or psoriasis because “you got bad genes”? Doctors often say these conditions are larely genetic—but is that really true? In this episode, Dr. Ian Myles, head of the Epithelial Therapeutics Unit at the NIH, joins me to unpack why blaming genes oversimplifies what’s really going on on the skin. From environmental triggers and micro…

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354: How To Reignite Hope That You Can Heal On Your Skin Healing Journey 17:16

11M ago17:16

17:16

Ever been told to “just stop googling” during a doctor’s visit? You’re not alone. In this episode, I’m sharing stories from skin rash warriors (struggling with eczema, psoriasis, rosacea, or chronic hives) who’ve felt dismissed, gaslit, and abandoned by the conventional medical system. We’ll explore the emotional toll these experiences take—eroding…

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353: Crazy Meat Allergy Triggered By Ticks (Here’s The Deal On Alpha-Gal Syndrome) w/ Dr. David Fitzhugh 44:23

11M ago44:23

44:23

Ever heard of a tick meat allergy? Also known also Alpha-gal syndrome, this is a allergic reaction to mammalian meat (like beef, pork, or lamb) caused by a tick bite. Unlike typical food allergies, symptoms can take hours to appear—making it tough to diagnose. This tricky condition often requires a major diet overhaul and makes choosing supplements…

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352: Dermatitis Herpetiformis (Celiac Gluten Rash) Symptoms + Treatment w/ Dr. Peter Lio 31:43

11M ago31:43

31:43

Got an itchy rash that looks like eczema—but gluten seems to make it worse? It could be dermatitis herpetiformis (DH), a skin manifestation of celiac disease. DH causes intensely itchy, blistering rashes (often more itchy than eczema). Because the trigger is gluten, going 100% gluten-free (even with skincare) is key to relief. Dr. Peter Lio returns…

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351: Hemp Seed Oil For Skin Benefits and How to Use Hemp Oil For Rashes 13:44

12M ago13:44

13:44

Curious about hemp seed oil for skin? This nutrient-rich oil is packed with vitamins and fatty acids that calm dry, itchy skin — but it’s often confused with CBD and cannabis (which it’s not!). In this episode, we’ll break down the difference between hemp seed oil and its psychoactive cousins, plus how to use hemp oil to soothe skin rashes and supp…

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350: What Drives Itchy Skin In Kids (And Natural Childhood Eczema Treatment Options To Stop It) w/ Jennifer Brand, MS, MPH, CNS 41:26

12M ago41:26

41:26

Frustrated that you can't figure out what's making your child’s skin so itchy? While it's easy to blame histamine or food, the real root causes are often missed — making the process even more stressful for families. Jennifer Brand, MS, MPH, CNS returns to the show to unpack hidden itch triggers in babies and children. As a leading pediatric skin-fo…

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349: Small Intestine Bacterial Overgrowth Testing + Natural SIBO Treatment Options (PART 2) w/ Dr. Ken Brown 35:47

12M ago35:47

35:47

Curious if SIBO testing could explain what’s really causing your IBS symptoms? In Part 2 of my conversation with gastroenterologist Dr. Ken Brown, we explore why small intestine bacterial overgrowth (SIBO) testing should be handled by specialists—and how it can reveal the type of SIBO driving symptoms like gas, bloating, belching, abdominal distens…

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348: What is Small Intestine Bacterial Overgrowth (And How Does it Wreck Your Skin) (PART 1) w/ Dr. Ken Brown 33:51

1y ago33:51

33:51

This is a 2-part interview coming next week so stay tuned! Did you know most people diagnosed with IBS actually have SIBO (small intestine bacterial overgrowth)? As a result, people are left struggling with bloating, gas, diarrhea, or constipation for years without answers. These symptoms aren’t normal—and IBS alone doesn’t explain them. SIBO can a…

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347: Adult Hormonal Acne + Blood Sugar Dysfunction: What’s The Connection? w/ Lienna May 33:32

1y ago33:32

33:32

Adult hormonal acne can take a serious toll on your confidence—especially when conventional treatments and acne diets fail to help or even make things worse. That’s why it’s critical to look deeper. Acne often signals imbalances in the gut, thyroid, sex hormones, sleep, or blood sugar—not just your diet. And while cutting out dairy is common advice…

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346: How to Use Zinc for Eczema + Other Itchy, Painful Rashes 17:32

1y ago17:32

17:32

Topical zinc might be the missing piece in your skin rash toolkit—especially if you're dealing with eczema, psoriasis, or chronic skin rashes. Many people are deficient in zinc, and oral supplements often aren’t enough. In this episode, I’ll break down why topical zinc can be so helpful, how to choose the right form, and what to avoid when using it…

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345: Why Brain Symptoms of Perimenopause Are Your Biggest Problem w/ Dr. Carrie Jones 41:19

1y ago41:19

41:19

Struggling with night sweats, brain fog, fatigue, or irregular cycles? These frustrating symptoms could point to perimenopause—the hormonal transition leading up to menopause that often begins in your late 30s or 40s. Many women feel unprepared for this phase, especially when it comes to understanding hormone changes and whether hormone replacement…