Functional Medicine for Real-World Impact: The School of Applied Functional Medicine (SAFM)

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Functional Medicine Norms? The Emperor May be Naked? | E47 Sep 08, 2026

Show notes

You can order every lab in the book and still miss the answer sitting in the patient's chart. That is the trap at the center of this episode, and it is one of several functional medicine practice pitfalls host Tracy Harrison and guest Edit Zelkind, PA walk through, using real cases from their own practices.

Zelkind spent two decades in conventional medicine before transitioning to functional medicine practice, then years inside one of the most respected functional medicine clinics in the country. She has watched both systems break down in different ways, and she names the patterns that hurt patients and burn out good practitioners.

Functional medicine overtesting gets the first hard look, including a case that ran $50,000 in labs before anyone found the real answer. From there Zelkind explains why handing a patient fifteen supplements at once backfires, breaks down the root cause obsession in medicine that keeps practitioners chasing a single diagnosis instead of the whole terrain, and unpacks orthorexia in functional medicine patients who have grown afraid of their own food.

If you are building or refining a functional practice, this episode gives you a clearer read on when to test, when to wait, and how to keep patients from walking away. Press play and hear what Zelkind wishes someone had told her twelve years ago.

Episode Breakdown:

00:00 Welcome and Edit Zelkind's Career Path

01:03 From Emergency Medicine to Functional Care

09:16 The Courage Behind Leaving a Stable Career

16:19 Why Leaving Full-Time Practice Felt Harder

22:00 Functional Medicine Practice Pitfalls: Overtesting Patients

33:24 Supplement Overload and the Polypharmacy Problem

48:44 Root Cause Obsession and Chasing Diagnoses

54:26 Fear, Orthorexia, and Food Anxiety in Patients

1:00:26 What Zelkind Learned About Herself

1:04:39 Advice for Practitioners Considering the Switch

SAFM Links:

Take SAFM’s 10 CME course - The Essential Gut Deep Dive

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Reverse T3: Myths, Truths, and Clinical Insights | E46 Aug 25, 2026

Show notes

Your patient's TSH looks perfect, but she still has every hypothyroid symptom in the book. Reverse T3 may offer an important clue, and many practitioners misread it.

In this episode of Functional Medicine for Real-World Impact, host Tracy Harrison breaks down reverse T3 thyroid myths that have split the clinical world into two camps. Conventional medicine often dismisses the marker as meaningless. Functional medicine often treats it as a villain to eliminate. Tracy thinks the truth sits closer to the middle, and she explains why.

She starts with the physiology most practitioners skip, how individual tissues make their own local decisions about T4-to-T3 conversion based on what they believe the body needs right now.

From there she debunks five specific myths, including why elevated reverse T3 is not automatically bad and what it may reveal about inflammation, stress, medication dosing, or recent illness.

Tracy also explains why chasing a single lab number and forcing it into the normal range can backfire on your patient.

The episode wraps with her recommended approach to functional medicine thyroid panel testing, including which antibody tests get skipped too often and how to interpret elevated reverse T3 within the larger clinical picture.

If you order thyroid labs for patients, this conversation changes how you read them.

Episode Breakdown:

00:00 Reverse T3 Myths That Divide Conventional and Functional Medicine

02:20 Thyroid Physiology and the HPATG Axis Explained

04:37 How Cells Convert T4 to T3 and Deactivate It

07:02 Myth 1 Is High rT3 Always Bad

09:21 What Elevated rT3 Signals About Medication, Inflammation, and Illness

11:46 Myth 2 Does rT3 Cause Hypothyroid Symptoms

14:07 Myth 3 Is rT3 a Reliable Stress Marker

16:28 D1, D2, and D3 Deiodinase Function Explained

18:56 Myth 4 Does rT3 Block Thyroid Hormone Receptors

21:21 Building a Full Thyroid Panel Beyond TSH

23:43 Checking rT3 With TPO and TG Thyroid Antibodies

25:57 Everyday Causes of Elevated rT3 Like Fasting and Calorie Restriction

28:19 Shifting From Protocol Thinking to Systems Optimization

SAFM Links:

Visit Dr. Cabeca's website

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Sexual Health, Pleasure, and Oxytocin: Clinical Priorities for Vitality | E45 Aug 11, 2026

Show notes

Most hormone conversations center on estradiol, progesterone, insulin, and cortisol. This one makes room for a hormone many practitioners may be overlooking.

On Functional Medicine for Real World Impact, host Tracy Harrison sits down with Dr. Anna Cabeca, triple-board-certified physician, OB-GYN, and bestselling author of The Hormone Fix, to talk about why oxytocin belongs in the clinical conversation around perimenopause, menopause, sexual health, and vitality.

Dr. Cabeca calls oxytocin the queen mother of hormones. When it is high, patients are more connected, more responsive, and more likely to shift into an anabolic state. When chronic stress keeps cortisol elevated, oxytocin can become suppressed, and that is when patients may start saying they love their partner but feel nothing, or that they care about their work but cannot access that feeling anymore. That presentation is not just a mindset problem. It is physiology, and it is worth addressing.

The conversation covers what it looks like to make sexual health a clinical priority without making patients uncomfortable, why pelvic exams and vaginal health screenings are non-negotiable as women age, and how common medications like antihistamines and antidepressants can quietly disrupt desire and orgasm in ways practitioners often overlook.

Dr. Cabeca also shares the language she uses to open these conversations naturally, practical oxytocin-supporting tools across lifestyle and nutrition, and when to consider prescription support for patients who have been in a state of disconnect for so long they no longer remember what vitality feels like.

For practitioners working with women in perimenopause, menopause, and beyond, this conversation offers a more complete way to think about hormones, intimacy, pleasure, and clinical care.

Episode Breakdown:

00:00 Why Oxytocin Is the Most Powerful Hormone in the Body

03:35 Dr. Anna Cabeca's Personal Journey and the Discovery of Oxytocin

19:57 Practical Ways to Boost Oxytocin in Daily Life

29:57 Why Sexual Health Belongs in Every Clinical Conversation

39:23 The Three D's That Disrupt Intimacy and How to Address Them

44:34 Vaginal and Pelvic Health as a Longevity Essential

49:00 Medications That Quietly Undermine Desire and Orgasm

52:47 Self-Pleasuring as a Clinical Tool for Women Without Partners

56:30 How to Talk About Sexual Health With Reluctant Patients

59:00 Opening the Conversation With Patients Without Crossing a Line

Connect with Dr. Anna Cabeca:

Follow Dr. Cabeca on Facebook

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Subscribe to Dr. Cabeca's YouTube channel

SAFM Links:

Take SAFM’s 10 CME course - The Essential Gut Deep Dive

Visit The Biology of Trauma website

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Trauma Physiology: Clinical Wisdom to Deepen (vs. Derail) Practitioners' Clinical Impact | E44 Jul 28, 2026

Show notes

You built the perfect protocol and your patient still does not improve. The missing piece might be trauma biology in functional medicine practice, not another test or supplement.

Dr. Aimie Apigian joins host Tracy Harrison on Functional Medicine for Real-World Impact to unpack why unresolved trauma quietly derails even the best-designed treatment plans.

Dr. Apigian breaks down stress response vs. trauma response in a way that reframes how you read a patient the moment they sit down. One posture signals a person ready for a plan. Another signals someone who needs safety first. She shares a single question she asks to gauge where a patient's nervous system is before anything else. Then there is the auditorium analogy. Dr. Apigian walks through how the same room feels different depending on which survival state a person carries into it, and why that decides whether your protocol lands or gets ignored.

The conversation moves into trauma-informed functional medicine and the somatic techniques Dr. Apigian reaches for before handing a patient the full protocol. They also land on a point from her book. Unresolved trauma might be the most overlooked root cause in chronic illness, and most practitioners miss the signs.

Listen now to hear how the smallest step, not the biggest protocol, opens the door to real change.

Episode Breakdown:

00:00 Meet Dr. Aimie Apigian and The Biology of Trauma

03:22 Dr. Apigian's Personal Health Crisis and Diagnosis

07:06 Trauma Biology in Functional Medicine Practice

09:11 How Stress and Trauma Responses Differ in the Body

17:00 Trauma Biology Symptoms Across Body Systems

18:35 The Nervous System Journal Tool for Patients

21:00 Trauma as an Overlooked Root Cause in Chronic Illness

22:44 The Auditorium Analogy for Nervous System States

28:21 Reading Patient Energy Levels Before Giving a Protocol

32:04 Avoiding Overwhelm When Presenting a Treatment Plan

35:32 Body-First Healing and Neurodevelopmental Movement

44:09 Gentle Movement vs. Exercise for Trauma Recovery

46:54 Nervous System Regulation and Gut Healing as a Two-Way Street

49:16 Starting Patients With the Smallest Safe Step

53:03 Co-Creating Treatment Plans With Patients

Connect with Dr. Aimie Apigian:

Connect with Dr. Aimie on LinkedIn

Follow Dr. Aimie on Instagram

Follow Dr. Aimie on Facebook

Listen to The Biology of Trauma podcast

SAFM Links:

Take SAFM’s 10 CME course - The Essential Gut Deep Dive

Take SAFM’s 10 CME course - The Essential Gut Deep Dive

Podcast production and show notes provided by HiveCast.fm

Nitric Oxide Nuances that Practitioners Need to Know | E43 Jul 14, 2026

Show notes

Why do so many patients with textbook risk factors still struggle with high blood pressure, fatigue, and poor circulation even after the obvious fixes? On this episode of Functional Medicine for Real-World Impact, host Tracy Harrison makes the case that nitric oxide challenges are often misunderstood when practitioners focus only on production.

Tracy reframes nitric oxide and hypertension as a story about loss, not just lack. She explains why some patients may be making nitric oxide, but losing too much of it through oxidative stress, inflammation, poor oxygenation, metabolic dysfunction, toxicity, or other upstream drivers. This distinction changes how practitioners can think about endothelial dysfunction treatment, especially in patients who are not responding to standard nitric oxide support.

She also addresses factors that are easy to overlook in clinical practice. eNOS uncoupling can turn the enzyme meant to support nitric oxide production into one that contributes to oxidative stress. Tetrahydrobiopterin (BH4) deficiency can block nitric oxide synthesis in a separate, often overlooked way. Tracy also unpacks the oral microbiome’s role in nitric oxide production and explains how something as routine as mouthwash may interfere with a patient’s progress.

This conversation gives practitioners a more complete map of nitric oxide deficiency causes and a reason to look upstream before reaching for another supplement.

Episode Breakdown:

00:00 Nitric Oxide Nuances Practitioners Need to Know

01:35 Five Early Signs of Impaired Nitric Oxide Signaling

06:59 Two Pathways the Body Uses to Make Nitric Oxide

09:24 Why Nitric Oxide Loss Matters More Than Production

14:12 How eNOS Uncoupling Triggers Oxidative Stress

17:18 Tetrahydrobiopterin (BH4) and Nitric Oxide Synthesis

19:24 Oral Microbiome and Nitric Oxide Production

23:49 Nitric Oxide's Role in Mitochondria and Brain Health

26:11 Building a Clinical Framework for Nitric Oxide Support

SAFM Links:

Take SAFM’s 10 CME course - The Essential Gut Deep Dive

Podcast production and show notes provided by HiveCast.fm

How Hormone Havoc Surprisingly Begins in the Gut | E42 Jun 16, 2026

Show notes

Most hormone protocols fail because they start in the wrong place.

Practitioners spend years chasing estrogen dominance, sluggish thyroid, and cortisol dysregulation without ever looking at what's driving those patterns. Tracy Harrison makes the case in this episode that the hormone imbalance root causes you're missing are often sitting upstream in the digestive tract. Gut health and hormone imbalance are far more connected than most clinical training suggests.

Hormone synthesis, conversion, metabolism, and clearance all depend on a functioning digestive system. When that system breaks down, hormones follow.

Tracy walks through five key insights every functional medicine practitioner needs to know. She explains how maldigestion, nutrient absorption, and hormone synthesis are all tied together, and how patients on acid-suppressing medications, those with type 2 diabetes, and anyone with fatty liver disease are quietly losing the raw materials hormone synthesis depends on. She also covers how gut hormones like GLP-1 and GIP directly regulate insulin in ways that go far beyond standard assessment. How T4-to-T3 conversion and gut dysfunction silently undermine thyroid function even when the thyroid gland itself looks fine.

The episode also looks at how gut microbiome estrogen metabolism gets disrupted when bacterial overgrowths like commensal E. coli and SIBO-associated bacteria produce beta-glucuronidase, an enzyme that pushes estrogen metabolites back into circulation instead of out of the body. And how cortisol and gut dysfunction drive each other, with dysbiosis and intestinal permeability actively generating HPA axis activation, not just responding to it.

If you have patients who are doing everything right and still not getting better, this episode gives you a new place to look.

Episode Breakdown:

00:00 Gut Health and Hormone Imbalance: Why the Gut Is Where It Often Starts

02:24 Maldigestion, Malabsorption, and the Nutrients Hormones Depend On

04:51 Acid-Suppressing Medications and Their Hidden Impact on Digestion

07:16 Type 2 Diabetes, Exocrine Pancreatic Insufficiency, and Digestive Enzyme Deficiency

11:57 How Gut Dysmotility and the Microbiome Affect Insulin and GLP-1 Function

16:35 Short-Chain Fatty Acids, Fiber, and Metabolic Hormone Regulation

19:02 T4 to T3 Thyroid Hormone Conversion in the Gut

23:45 Estrogen Metabolism, Methylation, and the Role of Gut Microbiome

28:18 Beta-Glucuronidase, Dysbiosis, and Estrogen Dominance

30:30 Cortisol, Gut Dysfunction, and the Stress Hormone Feedback Loop

SAFM Links:

Visit the SunCoast Optimal Wellness website

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A Seasoned NP Discovers Passion and Courage to Live Her Purpose | E41 Jun 02, 2026

Show notes

Some practitioners find functional medicine through curiosity. Heather Slusher found it through a tendon rupture. On this episode of Functional Medicine for Real-World Impact, host Tracy Harrison sits down with Heather to explore what functional medicine for nurse practitioners really means when it's built from personal crisis, clinical curiosity, and a deep desire to practice differently.

Heather's path into root-cause medicine started with a single antibiotic prescription. After taking fluoroquinolone for a sinus infection, she suffered a tendon rupture in her foot and spent years navigating fluoroquinolone toxicity symptoms at a time when many providers still did not recognize them. She never went back to practicing the same way again.

What she built from it isn't a rejection of conventional medicine. Chronic disease is where the conventional model falls short, not because of the people in it, but because the system isn't designed to ask why. Functional medicine clinical practice fills that gap by treating the whole person instead of matching symptoms to a protocol.

Nine years after launching her integrative medicine practice in Florida, Heather is opening a second location. She starts every patient relationship by asking what they most want to fix, then works from there. Overtesting without a clear action plan leaves patients overwhelmed and no closer to feeling well, and Heather has seen too many people give up because of it.

The patient stories speak for themselves. A long COVID patient reported 90 percent improvement in a month with a targeted long COVID treatment plan. A woman who was wheeled in after one dose of Levaquin was driving again within two months. A school principal with two decades of undiagnosed Hashimoto's finally felt like herself.

Functional medicine for nurse practitioners isn't just a career pivot. For Heather, it's the whole point.

Episode Breakdown:

00:00 Welcome to Functional Medicine for Real-World Impact

02:16 Heather Slusher's Journey From Conventional to Integrative Medicine

06:24 Fluoroquinolone Toxicity Symptoms and How They Changed Everything

11:11 Building an Independent Functional Medicine Practice From Scratch

14:17 Why Functional Medicine and Conventional Medicine Are Not at Odds

22:07 The Problem With Overtesting in Functional Medicine Clinical Practice

26:19 Why Listening Is a Clinical Tool, Not an Afterthought

31:16 Advice for Nurse Practitioners Considering a New Path

34:10 Long COVID Treatment and Patient Success Stories

42:15 Closing Reflections on Purpose, Impact, and Fulfillment

Connect with Heather Slusher:

Follow SunCoast Optimal Wellness on Facebook

Follow SunCoast Optimal Wellness on Instagram

Connect with SunCoast Optimal Wellness on LinkedIn

SuncoastWellness@outlook.com

SAFM Links:

Take SAFM’s 10 CME course - The Essential Gut Deep Dive

Take SAFM’s 10 CME course - The Essential Gut Deep Dive

Podcast production and show notes provided by HiveCast.fm

What We Are Missing About Hypertension | E40 May 19, 2026

Show notes

High blood pressure is often treated as a number to push down, yet the body may be raising it for reasons standard care never investigates.

On Functional Medicine for Real-World Impact, host Tracy Harrison reframes functional medicine for high blood pressure as a better way to understand the biology behind hypertension. Medication can protect arteries in the short term, but the bigger clinical opportunity is asking why blood pressure has become chronically elevated in the first place.

This episode gives practitioners a sharper lens for identifying the root causes of hypertension in each patient. Tracy explains how vascular dysfunction can begin long before conventional labs raise concern. One key example is the connection between insulin resistance and blood pressure. Elevated fasting insulin can damage the arterial lining, disrupt sodium balance, and reduce nitric oxide production years before blood sugar looks abnormal.

Tracy also expands the clinical conversation around stress and hypertension. Stress is not limited to emotional strain or a busy calendar. Poor sleep, snoring, sleep apnea, chronic infections, and late-night screen habits can keep the nervous system in a sympathetic state that drives blood pressure higher.

The conversation also connects gut health and cardiovascular disease through inflammation, intestinal permeability, and microbial debris that can damage the glycocalyx. That protective vascular lining plays a major role in nitric oxide and vascular health, which affects how well arteries dilate and respond.

For practitioners who want more than symptom control, functional medicine for high blood pressure offers a more complete clinical path. It looks at metabolism, sleep, stress physiology, gut and oral health, electrolytes, potassium, magnesium, and why the body is maintaining higher pressure. This is a reminder that hypertension care can be more precise, more personal, and more clinically meaningful when the deeper drivers are part of the conversation.

Episode Breakdown:

00:00 Functional Medicine for High Blood Pressure: Why Treating the Numbers Is Not Enough

04:19 Controlled Physiology vs. Healthy Vascular Biology: The Gap Conventional Care Misses

09:05 Nitric Oxide, the Glycocalyx, and Why Endothelial Health Drives Blood Pressure

11:24 Insulin Resistance and Blood Pressure: The Subclinical Stage Most Labs Will Miss

16:06 Chronic Stress, the Sympathetic Nervous System, and Elevated Blood Pressure

20:38 Sleep Apnea, Snoring, and the Hidden Blood Pressure Connection

25:26 Environmental Toxins and Inflammatory Damage to the Arterial Lining

27:42 Gut Barrier Dysfunction and Its Direct Impact on Cardiovascular Health

30:08 Oral Dysbiosis and Why the Mouth Is an Overlooked Root Cause of Hypertension

32:25 Sodium, Potassium, Magnesium, and the Electrolyte Balance That Actually Matters

SAFM Links: