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.
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How to Rewire Your Way Out of Chronic Inflammation | Ep 432
Episode 432
Tuesday, November 3, 2026 • Duration 48:15
Do you ever notice how one tiny little symptom can send your brain into a full blown worst case scenario spiral?
In this solo deep dive, Erin is getting into the neuroscience of chronic symptom loops and how you can start rewiring those patterns through self-directed neuroplasticity.
She talks about the brain's negativity bias, fear circuitry, and the way your nervous system can become SO hypervigilant that even a perfectly normal body sensation can get flagged as a threat.
Erin also shares about her own experiences with autoimmunity, and why similar patterns can show up with IBS, fibromyalgia, MCAS, chronic fatigue, chemical sensitivities, and chronic pain.
Manifest Your Health is the neuroscience-backed membership that helps you regulate your nervous system, integrate the parts of you that keep you stuck, and become the version of yourself your body can actually heal as.
Subscribe to her Substack where Erin shares the (raw & unfiltered) BTS of her own business & life – so you can steal what applies to yours. All things health, wealth, ambition & manifestation.
Fullscript is Erin’s trusted, go-to source for ordering supplements.
This podcast uses the following third-party services for analysis:
Podscribe - https://podscribe.com/privacy
Endo Uncovered Part 5: The Connection Between MCAS, Histamine & Endometriosis | Ep 431
Episode 431
Tuesday, October 27, 2026 • Duration 36:19
What do mast cells, histamine, estrogen, and endometriosis all have in common? A whole lot more than you might think.
We're wrapping up the Endo Uncovered series with one of the most requested topics from Erin's Instagram community: the connection between mast cell activation syndrome (MCAS) and endometriosis.
In this episode, Erin and Rachel start with the basics (because what the heck is a mast cell, anyway?!) before getting into the very real connection between immune system dysregulation, histamine, estrogen, inflammation, and endometriosis symptoms, plus why MCAS can be so difficult to identify.
You’ll also hear a real client case study involving endometriosis, MCAS, mold exposure, elevated lead levels, gut dysbiosis, and methylation issues.
In this episode:
What mast cells are, how they protect the body, and what happens when they keep releasing inflammatory chemicals
The dangerous feedback loop that can amplify real physical symptoms
What mold, heavy metals, chronic stress, infections, and histamine intake have to do with mast cell activation
Why antihistamines can improve PMS and PMDD symptoms for some women
if you’re navigating painful periods, suspected or diagnosed endometriosis, gut symptoms, hormone issues, or inflammation.
This podcast uses the following third-party services for analysis: Podscribe - https://podscribe.com/privacy
Endo Uncovered Part 4: Endometriosis Surgery: What to Know Before You Go In | Ep 430
Episode 430
Tuesday, October 20, 2026 • Duration 29:06
We’re back with Part 4 of the Endo Uncovered series, and this one is all about surgery. How to think about it, how to prepare for it, and what Rachel wishes more women knew before going in.
Erin and Rachel are talking through some of the biggest questions that come up when someone is considering endometriosis surgery: How do you choose a surgeon? What’s the difference between excision and ablation? Is a hysterectomy really a cure for endometriosis?
Rachel shares about her own endometriosis surgery process, why excision is considered the gold standard, hysterectomy nuance, and exactly how she prepared her own body before surgery, from reducing alcohol and prioritizing protein to increasing iron-rich foods, vitamin C, omega-3s, pelvic floor PT, strength training, walking, and strategic supplementation.
If you are considering endometriosis surgery, preparing for surgery, recovering from surgery, or trying to understand what questions to ask, this conversation will help you feel more informed and grounded.
In this episode:
How your surgeon’s training and experience can influence recovery, outcomes, and recurrence risk
The vitamin C-rich foods, omega-3s, ginger, turmeric, and liver-supportive options Rachel used before and after surgery
The key difference between excision and ablation surgery
Why Rachel significantly reduced alcohol before her surgery
What’s coming next in the Endo Uncovered series: the MCAS, histamine, and endometriosis connection
Resources mentioned:
Manifest Your Health is the neuroscience-backed membership that helps you regulate your nervous system, integrate the parts of you that keep you stuck, and become the version of yourself your body can actually heal as.
Listen to Part 1, , and of the Endo Uncovered series.
This podcast uses the following third-party services for analysis: Podscribe - https://podscribe.com/privacy
How Your Nervous System Influences Your Health | Ep 429
Episode 429
Tuesday, October 13, 2026 • Duration 44:22
What does your nervous system have to do with your digestion, hormones, immune system, inflammation, sleep, symptoms, and healing? And is “regulating your nervous system” just another wellness buzzword?
Your nervous system is constantly scanning your internal and external world for cues of safety or threat. And when your body keeps perceiving threats (even when you consciously know you’re safe), it can keep you stuck in inflammation, immune activation, digestive dysfunction, and chronic symptoms.
In this episode, Erin explains why nervous system regulation requires both top-down and bottom-up work. Breathwork, meditation, and yoga can be amazing tools, but if you never address the beliefs, patterns, trauma, emotional suppression, people-pleasing, perfectionism, and subconscious threat signals underneath the dysregulation, the work may only go so deep.
In this episode:
The gas pedal, brake pedal, and “optimal healing mode” nervous system states
How chronic stress activation can impact thyroid function, fertility, sex hormones, blood sugar, sleep, and the gut barrier
How subconscious beliefs, early programming, filters, and past experiences shape your nervous system
Erin’s invitation into her 5 day nervous system reset before the holiday season
Apply for 1:1 support here if you’re navigating painful periods, suspected or diagnosed endometriosis, gut symptoms, hormone issues, or inflammation.
Manifest Your Health is our neuroscience backed membership designed to help you reconnect with your body, regulate your nervous system, and finally break out of the symptom loop.
This podcast uses the following third-party services for analysis: Podscribe - https://podscribe.com/privacy
Endo Uncovered Part 3: You’re Newly Diagnosed With Endometriosis - Now What? | Ep 428
Episode 428
Tuesday, October 6, 2026 • Duration 45:08
You finally got the endometriosis diagnosis. Now what do you actually do after years of pain, dismissal, weird symptoms, confusing imaging, surgery, or being told everything looked “normal”?
While a diagnosis can feel validating, it can also bring a whole new wave of fear, especially around fertility, surgery, symptom management, and whether this condition is going to define the rest of your life.
In part 3 of the endo series, Erin and Rachel walk through the labs, nutrition, lifestyle shifts, gut support, hormone testing, nervous system work, and supplements they think about when supporting clients with endometriosis. Rachel also talks about excision surgery and why you still need a whole body approach.
In this episode:
The two biggest questions Rachel hears after diagnosis: “Can I still have kids?” and “How do I manage this?”
Why Rachel considers the DUTCH test a necessity for endometriosis, especially for hormone metabolism
Why broccoli sprouts are the little overachievers of cruciferous vegetables
How emotional suppression, people-pleasing, over-functioning, trauma history, and chronic stress can amplify symptom expression
The supplement Rachel used after excision surgery that helped with her post-op period pain
Resources mentioned:
Manifest Your Health is the neuroscience-backed membership that helps you regulate your nervous system, integrate the parts of you that keep you stuck, and become the version of yourself your body can actually heal as.
Applications for the Fall 2026 cohort of The Funk’tional Nutrition Academy are now open! If you’re ready to become a certified functional health practitioner, apply now.
This podcast uses the following third-party services for analysis: Podscribe - https://podscribe.com/privacy
Endo Uncovered Part 2: Rachel’s Stage 4 Endometriosis Diagnosis & the Surgery That Changed Everything | Ep 427
Episode 427
Tuesday, September 29, 2026 • Duration 46:47
We’re back with Part 2 of the endometriosis series, and this one is personal.
Lead practitioner Rachel Heintz shares her own story with stage 4 deep infiltrating endometriosis. You’ll hear about the symptoms she didn’t realize were clues, the functional work that helped her feel dramatically better, and the surgery that revealed just how severe things really were.
Rachel walks through her timeline: going on birth control for acne, coming off the pill and experiencing debilitating periods, dealing with extreme allergies and histamine issues, living in a moldy apartment, and eventually discovering endometriosis in a pretty unusual location.
Erin and Rachel talk about why surgery is not a failure, why not every OB/GYN is an endometriosis expert, why getting another opinion can matter so much, and what Rachel’s excision surgery ultimately revealed.
In this episode:
How birth control may have masked Rachel’s endo symptoms for years after she originally started it for acne
Why Rachel believes mold exposure in a damp college apartment may have been a major immune and mast cell trigger
Why untreated endo could have created bigger issues for Rachel’s bowels, kidneys, appendix, fertility, and overall health
How Rachel is feeling 10 weeks post-op, with a smoother-than-expected recovery
Resources mentioned:
Applications for the Fall 2026 cohort of The Funk’tional Nutrition Academy are now open! If you’re ready to become a certified functional health practitioner, apply now.
Apply for 1:1 Endometriosis Support here if you’re navigating painful periods, suspected or diagnosed endometriosis, gut symptoms, hormone issues, or inflammation.
This podcast uses the following third-party services for analysis: Podscribe - https://podscribe.com/privacy
Endo Uncovered Part 1: Painful Periods, Endometriosis & the Symptoms Women Are Told to Ignore | Ep 426
Episode 426
Tuesday, September 22, 2026 • Duration 39:22
We are officially kicking off the endometriosis series. In this first episode, Erin and Rachel Heintz, lead practitioner at The Funk’tional Nutritionist, are untangling one of the most misunderstood, underdiagnosed, and wildly dismissed conditions in women’s health.
Painful periods might be common, but that does not mean they should be normalized, trivialized, or ignored.
Erin and Rachel explain what endometriosis is, what conditions commonly overlap with it, why it is considered a chronic inflammatory whole-body condition, and how it can show up far beyond the uterus. Spoiler: we’re going inflammation hunting, and no, you do not have to just suck it up and suffer your way through being a woman!
In this episode:
The difference between normal period discomfort and the kind of pain that should not be brushed off as “just cramps”
Why recurring SIBO can be a clue that something deeper is driving the overgrowth
How toxin exposure can drive or exacerbate painful periods and endometriosis symptoms
The hopeful research Rachel shares around genetics, imaging, and the future of endometriosis diagnosis
Obscure, less common symptoms that can still be part of the endo picture
Resources mentioned:
Manifest Your Health is the neuroscience-backed membership that helps you regulate your nervous system, integrate the parts of you that keep you stuck, and become the version of yourself your body can actually heal as.
Applications for the Fall 2026 cohort of The Funk’tional Nutrition Academy are now open! If you’re ready to become a certified functional health practitioner, apply now.
This podcast uses the following third-party services for analysis: Podscribe - https://podscribe.com/privacy
FNA Case Study: Stage Four Endometriosis, 8 Years of Infertility & a Natural Pregnancy | Ep 425
Episode 425
Tuesday, September 15, 2026 • Duration 44:40
FNA graduate Alyssa Chavez had been trying to conceive for eight years. She had stage four endometriosis, debilitating periods, two rounds of IVF, a miscarriage, low AMH, and doctors telling her IVF was basically her only shot. But somewhere inside her, there was still this knowing: there has to be more than this.
In this episode, Erin sits down with Alyssa, to talk about the functional approach that helped her finally move the needle in her own body. Alyssa shares how learning to understand her gut, inflammation, immune system, environment, hormones, and bio-individual needs helped her go from painful periods and infertility to conceiving her baby girl naturally the SAME month she graduated from FNA!
Erin and Alyssa also talk about the bigger ripple effects of addressing your health, and how FNA helped her build a business on her own terms.
In this episode:
How bloating, bowel changes, gut health, inflammation, and immune function became key pieces of Alyssa’s endometriosis puzzle
Why 14 months is not “too long” if you’re learning to practice real holistic care
How bio-individuality applies to your body, your clients, and the way you build your business
What Erin means when she says her work is about “storying people into possibility”
Why comprehensive, whole-person care matters even more in an era of AI-generated health advice
Resources mentioned:
EnrollmentApplications for the Fall 2026 cohort of The Funk’tional Nutrition Academy isare now open! If you’re ready to become a certified functional health practitioner, apply now.
This podcast uses the following third-party services for analysis: Podscribe - https://podscribe.com/privacy
Your Default Mode Network, Your Identity & the Story Keeping You Sick | Ep 424
Episode 424
Tuesday, September 1, 2026 • Duration 40:35
It’s no secret that stepping out of your typical day-to-day routine can be so expansive and help you realize how much possibility exists. It’s one thing to have the breakthrough, but it’s another thing entirely to bring that expanded identity back into your actual life, schedule, relationships, and nervous system.
In this episode, Erin talks about “default mode” and how the story you tell yourself about yourself can become the identity you keep living from.
This is a conversation about identity, healing, nervous system safety, parts integration, and the hardwired stories we keep reenacting without realizing it. Erin also shares a snippet from Manifest Your Health on rewriting your inner narrative, because action is what crystallizes change.
In this episode:
How big clarity can drop in on vacation, retreat, or in a pattern interrupt, and then disappear when you return to real life
The one question Erin asks herself every time when anchoring into a new identity
How the brain uses old memories, beliefs, and predictions to keep recreating the same reality
Why new experiences, new choices, and new inputs help your brain create a different default
Resources mentioned:
Manifest Your Health is the neuroscience-backed membership that helps you regulate your nervous system, integrate the parts of you that keep you stuck, and become the version of yourself your body can actually heal as.
Applications for the Fall 2026 cohort of The Funk’tional Nutrition Academy are now open! If you’re ready to become a certified functional health practitioner, apply now.
This podcast uses the following third-party services for analysis: Podscribe - https://podscribe.com/privacy
The Labs Every Woman in Her 30s, 40s & 50s Should Ask For | Ep 423
Episode 423
Tuesday, August 25, 2026 • Duration 49:10
What labs should you actually be getting? Everyone and their mom is aware of the fact that we need a liiittle more data on our bodies, and we have the availability to get it. In this episode, Erin gives you a complete deep dive through the labs she thinks EVERY woman should ask for, as well as the markers that often get skipped.
Erin also covers cardiovascular and menopause risks, fasting glucose, and the functional labs her team uses most often in practice, including the GI-MAP stool test, DUTCH hormone testing, Wheat Zoomer, and toxin testing, plus when each one might make sense.
If you’re in your 30s, 40s, 50s, or anywhere near perimenopause, this is your reminder to get the data, understand the data, and use it to take action.
P.S. This week, Erin is teaching a 2-day masterclass for practitioners on how to support clients through a woman’s hormonal lifespan. Grab your ticket here!
In this episode:
Why a CMP, CBC, and standard lipid panel are important, but still very much a starter pack
ApoB, and why it’s a must-have marker if cardiovascular disease runs in your family
What GGT can tell us about liver function, oxidative stress, toxin load, bile, and glutathione depletion
The metabolic health markers Erin wants women tracking before menopause
When a toxin panel might be the missing piece for chemical sensitivity, skin flares, liver markers, or symptoms that are not budging
Resources mentioned:
Applications for the Fall 2026 cohort of The Funk’tional Nutrition Academy are now open! If you’re ready to become a certified functional health practitioner, apply now.
This podcast uses the following third-party services for analysis: Podscribe - https://podscribe.com/privacy
Details about The Funk'tional Nutrition Podcast, a podcast by Erin Holt
Manifest Your Health is our neuroscience backed membership designed to help you reconnect with your body, regulate your nervous system, and finally break out of the symptom loop.
Want more of Erin?
Subscribe to her Substack where Erin shares the (raw & unfiltered) BTS of her own business & life – so you can steal what applies to yours. All things health, wealth, ambition & manifestation.
Subscribe to her Substack where Erin shares the (raw & unfiltered) BTS of her own business & life – so you can steal what applies to yours. All things health, wealth, ambition & manifestation.
Apply for 1:1 Endometriosis Support here if you’re navigating painful periods, suspected or diagnosed endometriosis, gut symptoms, hormone issues, or inflammation.
Order The Gut Panel to uncover the hidden root causes behind your “mystery” symptoms.
Subscribe to her Substack where Erin shares the (raw & unfiltered) BTS of her own business & life – so you can steal what applies to yours. All things health, wealth, ambition & manifestation.
Subscribe to her Substack where Erin shares the (raw & unfiltered) BTS of her own business & life – so you can steal what applies to yours. All things health, wealth, ambition & manifestation.
Apply for 1:1 Endometriosis Support here if you’re navigating painful periods, suspected or diagnosed endometriosis, gut symptoms, hormone issues, or inflammation.
Order The Gut Panel to uncover the hidden root causes behind your “mystery” symptoms.
Qualia Creatine (get up to 50% off and an extra 15% off your first purchase with link + code FUNKS)
Fullscript is Erin’s trusted, go-to source for ordering supplements.
Order The Gut Panel to uncover the hidden root causes behind your “mystery” symptoms.
Want more of Erin?
Subscribe to her Substack where Erin shares the (raw & unfiltered) BTS of her own business & life – so you can steal what applies to yours. All things health, wealth, ambition & manifestation.
Manifest Your Health is our neuroscience backed membership designed to help you reconnect with your body, regulate your nervous system, and finally break out of the symptom loop.
OneSkin (Use code FUNK for 15% off your first purchase)
Qualia Creatine (get up to 50% off and an extra 15% off your first purchase with link + code FUNKS)
Subscribe to her Substack where Erin shares the (raw & unfiltered) BTS of her own business & life – so you can steal what applies to yours. All things health, wealth, ambition & manifestation.
Subscribe to her Substack where Erin shares the (raw & unfiltered) BTS of her own business & life – so you can steal what applies to yours. All things health, wealth, ambition & manifestation.
Manifest Your Health is our neuroscience backed membership designed to help you reconnect with your body, regulate your nervous system, and finally break out of the symptom loop.
OneSkin (Use code FUNK for 15% off your first purchase)
Qualia Creatine (get up to 50% off and an extra 15% off your first purchase with link + code FUNKS)
Subscribe to her Substack where Erin shares the (raw & unfiltered) BTS of her own business & life – so you can steal what applies to yours. All things health, wealth, ambition & manifestation.
Qualia Creatine (get up to 50% off and an extra 15% off your first purchase with link + code FUNKS)
Fullscript is Erin’s trusted, go-to source for ordering supplements.
Manifest Your Health is our neuroscience backed membership designed to help you reconnect with your body, regulate your nervous system, and finally break out of the symptom loop.
Subscribe to her Substack where Erin shares the (raw & unfiltered) BTS of her own business & life – so you can steal what applies to yours. All things health, wealth, ambition & manifestation.
OneSkin (Use code FUNK for 15% off your first purchase)
Qualia Creatine (get up to 50% off and an extra 15% off your first purchase with link + code FUNKS)
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