The Funk'tional Nutrition Podcast

Erin Holt
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Oct 21, 2025 • 28min

Struggling with Acne? How Your Gut Impacts Your Skin | Ep 382

Could your gut be the missing piece of your skincare routine? If you’ve tried every serum, cleanser, and supplement under the sun but your skin still won’t cooperate, it might be time to look inward. Inflammation, imbalanced bacteria, and sluggish digestion can all show up on your face — and Erin and lead practitioner Rachel Heintz, MS, RDN are breaking down exactly how.Instead of masking symptoms with topicals or medications, they walk through how stool testing and targeted gut support can reveal what’s REALLY driving breakouts beneath the surface.Did you know low stomach acid, poor bile flow, and nutrient malabsorption can block your body’s ability to detox, process hormones, and maintain healthy skin? If you’ve been “doing everything right” without results, this episode connects the dots between your gut and the glow you’ve been working for.In this episode:How hidden inflammation and bacterial imbalances in your gut can fuel acne, even if your digestion seems fineThe single enzyme that can be THE missing link behind those stubborn hormonal breakoutsRoot cause healing, and why Accutane and birth control suppress breakouts without fixing the underlying imbalanceHow functional stool testing can get you real answers about your microbiome, nutrient absorption, and gut functionAn “inside out” approach to supporting the liver, gallbladder, and gut lining to get glowing skinResources mentioned:Apply to work with us 1:1 here!The Gut Panel is on sale for a limited timeFOR OUR FULL LIST OF LINKS + RESOURCES, HEAD TO: https://www.thefunktionalnutritionist.com/podcast/382-skin-health Check out The Funk’tional Nutritionist: Website | InstagramOrganifi supplement powder (save 20% on your order with code FUNK) LMNT Electrolyte Replenishing powder (Use code FUNK and get a free sample pack with any purchase!) OneSkin (Use code FUNK for 15% off your first purchase)Qualia Senolytic (get up to 50% off and an extra 15% off your first purchase with link + code FUNKS)Bon Charge (Use code FUNK to save 15%)
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10 snips
Oct 14, 2025 • 24min

Detox or Re-Tox? Why Beta Glucuronidase Can Block Hormone & Toxin Clearance | Ep 381

Explore the intriguing world of beta glucuronidase, a gut enzyme that can sabotage detoxification by allowing toxins and hormones to re-enter your system. Learn how low-fiber diets and constipation elevate its levels, leading to symptoms of estrogen dominance like bloating and mood swings. Discover short-term solutions, such as calcium D-glucarate, and the importance of long-term microbiome restoration. Erin emphasizes the need to harmonize gut, liver, and hormone health for effective detoxification strategies.
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10 snips
Oct 7, 2025 • 45min

The Real Reasons You’re Constipated (and What Actually Works) | Ep 380

Nicole Antes, MS, RDN, FHP-C™, a registered dietitian specializing in functional nutrition and digestive health, joins to tackle chronic constipation. They reveal surprising root causes like dehydration, low stomach acid, and stress on the nervous system. Discover how the wrong kind of fiber can worsen symptoms and the importance of microbiome balance. Using a successful case study, Nicole highlights holistic approaches that blend digestive strategies, emotional practices, and nutrient support for effective relief.
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Sep 30, 2025 • 33min

Fibermaxxing: Is It Legit? Everything You Need to Know About Fiber | Ep 379

Move over, protein. There’s a new wellness obsession in town and her name is FIBER.In this episode, Erin talks about the rising trend of “fibermaxxing” and why it’s more than just a catchy Gen Z trend. You’ll learn how fiber fuels your gut microbiome, supports short-chain fatty acid production, and impacts everything from hormone balance to inflammation. But it’s not as simple as loading up overnight. Erin explains the distinct differences between soluble, insoluble, and resistant starch fibers, why variety is key for a resilient, diverse microbiome, and how to add fiber-rich foods and functional fiber supplements without triggering digestive distress. Start slow, stay consistent, and prepare to reap the benefits!In this episode:Why “fibermaxxing” is more than just a TikTok trend, and how to use it to actually improve gut healthThe hidden ways your gut microbiome shapes immunity, mood, hormone balance, and even your detox capacityHow different types of fiber, like soluble, insoluble, and resistant starch, work alongside polyphenols to feed good bacteriaErin’s favorite strategies for upping your fiber game without the gas, bloating, or IBS flare-upsWhy eating 30-40 different plants each week is the simplest path to a stronger microbiomeResources mentioned:Today is the LAST DAY to enroll in the fall 2025 cohort of Funk’tional Nutrition Academy™.Apply to work with us 1:1 here!‘Your Guide to Fiber’ BlogFOR OUR FULL LIST OF LINKS + RESOURCES, HEAD TO: https://www.thefunktionalnutritionist.com/podcast/379-fibermaxxing Check out The Funk’tional Nutritionist: Website | InstagramOrganifi supplement powder (save 20% on your order with code FUNK) LMNT Electrolyte Replenishing powder (Use code FUNK and get a free sample pack with any purchase!) OneSkin (Use code FUNK for 15% off your first purchase)Qualia Senolytic (get up to 50% off and an extra 15% off your first purchase with link + code FUNKS)Bon Charge (Use code FUNK to save 15%)
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5 snips
Sep 23, 2025 • 37min

Deep Nutrition for Thyroid Health: Foods, Supplements & What to Avoid | Ep 378

Your thyroid influences nearly EVERY system in your body, from metabolism and digestion to mood, fertility, and energy, and in this episode, Erin is sharing how to support your thyroid health with deep nutrition.You’ll learn why blood sugar regulation is the foundation of hormone health, and how thyroid-supportive nutrients like selenium, magnesium, and zinc can help optimize function and reduce risk for common imbalances.Erin also explores the nuances of “anti-nutrients” like iodine and goitrogens, especially for those managing Hashimoto’s. She outlines practical food choices (think colorful veggies!), supplementation tips, and key labs to keep an eye on, so you can feel more confident in supporting your thyroid health starting today.In this episode:Why unstable blood sugar makes thyroid medication and supplements less effectiveMust-have foods and nutrients to rotate for thyroid support, including selenium, magnesium, and zincThe surprising truth about cruciferous veggies like broccoli and cauliflower - and how you can enjoy them without sabotaging iodine uptakeWhen iodine helps and when it can trigger Hashimoto’s flare-upsThe safe supplements nearly everyone can use vs. those that require lab testing firstResources mentioned:Apply to work with us 1:1 here!Erin’s FREE Hormone Food GuideApplications are now open for the fall 2025 cohort of Funk’tional Nutrition Academy™.FOR OUR FULL LIST OF LINKS + RESOURCES, HEAD TO: https://www.thefunktionalnutritionist.com/podcast/378-thyroid-health Check out The Funk’tional Nutritionist: Website | InstagramOrganifi supplement powder (save 20% on your order with code FUNK) LMNT Electrolyte Replenishing powder (Use code FUNK and get a free sample pack with any purchase!) OneSkin (Use code FUNK for 15% off your first purchase)Qualia Senolytic (get up to 50% off and an extra 15% off your first purchase with link + code FUNKS)Bon Charge (Use code FUNK to save 15%)
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Sep 16, 2025 • 44min

Erin Holt’s 6-Month Thyroid & Hormone Protocol Update: What Worked and What Didn’t | Ep 377

Is it really perimenopause, or just stress, habits, and thyroid shifts at play? In this episode, Erin is debriefing her 6-month thyroid and hormone protocol experiment. After noticing changes in mood, cycle irregularities, fatigue, and PMS, she decided to run a full panel of labs, including thyroid markers, sex hormones, a DUTCH test, and a GI-MAP stool test. Erin breaks down exactly what her labs revealed, the protocols she implemented, and the results she’s experienced that have shifted her energy, mood, and cycles. Her biggest takeaway? Protocols aren’t one-size-fits-all. With the right testing, lifestyle shifts, and targeted support, you can move from feeling “off” to feeling like yourself again.If you’re looking for 1:1 functional support, apply to work 1:1.In this episode:Why a “normal” TSH doesn’t always mean your thyroid is working optimally, plus the key marker Erin found functionally lowErin’s favorite supplements to support thyroid conversion, adrenal resilience, and hormone balanceWhy lifestyle habits, stress, and resiliency matter just as much as labs when addressing hormone healthThe surprising supplement Erin stopped and what she replaced it with that made a “night and day” differenceWhy so many people assume “hormone protocol” automatically means HRT – that’s not always the case!Resources mentioned:Applications are now open for the fall 2025 cohort of Funk’tional Nutrition Academy.Erin’s FREE Hormone Food GuideApply to work with us 1:1 here!Episode 357: Before You Jump to HRT - What Your Perimenopause Symptoms Might Really MeanEpisode 368: Perimenopause Isn’t Just About Hormones: What Every Perimenopausal Woman Should Know Before Starting HRT with Dr. Deanna Minich FOR OUR FULL LIST OF LINKS + RESOURCES, HEAD TO: https://www.thefunktionalnutritionist.com/podcast/377-thyroid-protocol Check out The Funk’tional Nutritionist: Website | InstagramOrganifi supplement powder (save 20% on your order with code FUNK) OneSkin (Use code FUNK for 15% off your first purchase)Qualia Senolytic (get up to 50% off and an extra 15% off your first purchase with link + code FUNKS)Bon Charge (Use code FUNK to save 15%)
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13 snips
Sep 9, 2025 • 1h

Functional Medicine, Reimagined: Why Functional Medicine Isn’t Working Anymore (And What to Do Instead) | Ep 376

Discover how functional medicine needs a refresh! Dive into the shift away from rigid protocols to a more personalized and intuitive approach. Learn about the importance of integrating clients' emotional and psychological backgrounds into their healing journeys. Explore the intriguing concept of the 'nocebo effect' and how it can hinder health progress. Plus, enjoy lighthearted insights on the impact of labeling and lab testing in functional medicine, along with a playful take on gummy supplements. It's a paradigm shift designed to deepen client-practitioner connections!
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Sep 2, 2025 • 21min

What It’s Really Like to Join FNA: 4 Practitioners Share the Truth | Ep 375

Join Elise Greenfield, a New Hampshire nurse practitioner and clinical mentor, along with three inspiring FNA graduates, as they share transformative stories of their journeys in functional nutrition. Discover how FNA empowers professionals to master functional testing and clinical decision-making. They discuss the vital role of mentorship in client care, the inclusion of business coaching in the curriculum, and the mindset shifts needed to launch sustainable practices. Each guest reveals what motivated them to pursue their dreams and elevate their careers.
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14 snips
Aug 26, 2025 • 39min

OneSkin & the Future of Skincare: How Peptides Reverse Biological Aging | Ep 374

Carolina Reis Oliveira, co-founder of OneSkin and a PhD in immunology, dives into the revolutionary world of peptides in skincare. She reveals how these potent compounds can reverse biological aging by targeting "zombie cells" that accelerate skin deterioration. Carolina shares insights on the transformative effects of OneSkin's OS-1 peptide, from smoothing fine lines to promoting scalp health. Forget quick fixes; discover the science that promises healthier skin through innovative, non-invasive solutions.
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Aug 19, 2025 • 24min

Function Health Labs: How to Turn Your Results into Real Change | Ep 373

Getting your labs done can feel empowering. FINALLY, you can have hard data about what’s going on inside your body. But want to know the truth? Those results alone rarely create transformation. In this episode, Erin is talking all about Function Health, a direct-to-consumer lab testing company founded by Dr. Mark Hyman. She breaks down exactly what you get, and why it’s valuable if you’re serious about improving your health.There can be major advantages of this kind of testing (think comprehensive biomarker panels, functional medicine interpretation, and the ability to track trends over time), but even the best labs won’t move the needle without a plan for integration. Tune in to learn about Erin’s “Information + Integration = Transformation” framework, along with real-world client examples to show how coaching, mindset shifts, and consistent action are the true game changers. In this episode:The #1 misconception about comprehensive lab testingHow Function Health’s biomarker panels stack up against traditional testing and why Erin thinks it’s a smart idea for certain peopleThe key difference between conventional reference ranges and functional medicine’s optimal ranges (and why this matters for early intervention!)Erin’s “Information + Integration = Transformation” framework for turning knowledge into lasting behavior changeHow Erin’s client shifted from red flags in their blood work to coaching and lifestyle shifts to spark changeResources mentioned:Apply to work with us 1:1 here!Applications are now open for the fall 2025 cohort of Funk’tional Nutrition Academy.Episode 212: A Functional Medicine Approach to LabsFOR OUR FULL LIST OF LINKS + RESOURCES, HEAD TO: https://www.thefunktionalnutritionist.com/podcast/373-function-health Check out The Funk’tional Nutritionist: Website | InstagramOrganifi supplement powder (save 20% on your order with code FUNK) LMNT Electrolyte Replenishing powder (Use code FUNK and get a free sample pack with any purchase!) OneSkin (Use code FUNK for 15% off your first purchase)Qualia Senolytic (get up to 50% off and an extra 15% off your first purchase with link + code FUNKS)Bon Charge (Use code FUNK to save 15%)

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