

The Funk'tional Nutrition Podcast
Erin Holt
Holistic Health | Real Food Nutrition | Functional Medicine | Mind-Body
Honest and eye-opening conversations with functional nutritionist Erin Holt. Erin shares insight into hot topic nutrition, plus interviews with thought leaders in the functional medicine and wellness world. Get informed and empowered with this funky spin on mainstream health information.
Honest and eye-opening conversations with functional nutritionist Erin Holt. Erin shares insight into hot topic nutrition, plus interviews with thought leaders in the functional medicine and wellness world. Get informed and empowered with this funky spin on mainstream health information.
Episodes
Mentioned books

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%)

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%)

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%)

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!

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.

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.

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%)

28 snips
Aug 12, 2025 • 34min
Why Your SIBO Keeps Coming Back: The Overlooked Root Causes of Recurring SIBO & Bloating | Ep 372
In this engaging discussion, Rachel Heintz, a Registered Dietitian Nutritionist specializing in gut health, teams up with Erin to delve into the persistent problem of recurring SIBO. They unpack why common treatments often miss key root causes like low stomach acid and bile flow. Rachel highlights how grazing habits can hinder gut healing, and they explore the surprising effects of serotonin and mineral imbalances on digestion. This insightful conversation is packed with actionable tips for anyone struggling with bloating and gut dysfunction.

Aug 5, 2025 • 45min
Will AI Replace Health Coaches? Why the Future Needs Human Practitioners | Ep 371
Explore the pressing question: could AI replace health coaches? Discover how consumer behavior is shifting toward a demand for transformation rather than just information. Learn the four essential focus areas to futureproof your practice in the age of AI. Delve into the unique qualities that set human practitioners apart, including intuition and personal connection. Plus, gain insights on designing authentic client experiences and the importance of mentorship in navigating this evolving landscape.

26 snips
Jul 29, 2025 • 30min
The Real Reason You're Burnt Out (Hint: It's Not Doing Too Much) | Ep 370
Burnout might not stem from doing too much but from neglecting what ignites your passion. The host emphasizes reconnecting with your creativity and inner voltage to reignite joy. A fresh perspective on empathy versus compassion sheds light on emotional depletion. Discover how group programs can transform your impact and energy by fostering collaboration. Plus, engaging prompts help you reconnect with your motivations and consider an exciting masterclass to develop your unique offerings!