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

A presenting symptom tells you where the system is signaling distress. It rarely tells you where the problem started. Functional medicine clinical reasoning gives you a way to trace that signal upstream and identify potential drivers that keep a patient stuck.

 

On this solo episode of Functional Medicine for Real World Impact, host Tracy Harrison lays out six systems engineering principles that sit at the core of well-applied practice. She uses a cockpit warning light and a struggling plant on her desk to show why a systems biology approach to chronic disease asks how and why before it asks what to prescribe.

 

Tracy walks through the cluster of modest imbalances she sees behind a typical type 2 diabetes case and why root cause analysis in functional medicine rarely stops at one smoking gun. She makes the case that today’s pathology may have been yesterday’s adaptive solution. Her example of insulin resistance as a seasonal survival strategy reframes adaptive vs maladaptive physiology in terms your patients can grasp. Then she explains why a detailed patient timeline often points to triggers from years or decades back.

 

If you want sharper systems thinking in medicine and a clearer path toward physiological resilience in chronic disease for your patients, listen for the four questions Tracy says define functional medicine clinical reasoning in practice.

 

Episode Breakdown:

00:00 Functional Medicine Clinical Reasoning Grounded in Systems Biology

01:55 Why the Body Operates as a Network

04:10 The Desk Plant Analogy for Whole-System Assessment

06:55 Symptoms as Outputs and the Warning Light

10:00 How Chronic Disease Emerges From Interacting Imbalances

12:20 Unpacking the Typical Type 2 Diabetes Case

16:15 Today’s Pathology as Yesterday’s Adaptive Solution

20:55 Root Cause Analysis and the Patient Timeline

23:45 Restoring System Resilience Over Perfect Biomarkers

27:55 Four Questions That Define Functional Medicine Practice

 

SAFM Links:

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

Get weekly Clinical Tips in your inbox 

Learn more about SAFM’s practitioner training

Subscribe to our YouTube channel

Access quick clinical tips on Facebook 

Podcast production and show notes provided by HiveCast.fm

A nurse practitioner functional medicine career does not have to mean choosing between a hospital role and your own practice. Many practitioners feel that tension. One NP built both and shares how she made it work.

 

On Functional Medicine for Real World Impact, host Tracy Harrison talks with Laurie Johnson, NP, a seasoned nurse practitioner who works in a hospital OB-GYN clinic and runs a functional medicine private practice. Laurie served over twenty-one years in the Air Force before building this mosaic of roles. She describes integrating functional medicine into conventional care for insurance-based patients and seeing more complex cases in her private practice when they need more time than a hospital visit allows.

 

Laurie tells the story of a cancer patient who spent five months in a fixed program before getting to the care she actually needed. She also explains how she opened her functional medicine consulting business one daily step at a time after her family gave her an LLC for Christmas. Her first priorities for postmenopausal muscle and metabolic health round out the conversation.

 

If you are weighing functional medicine for nurse practitioners as a next step, listen for Laurie's experience with flexibility, fair pay for complex work, and access for patients at every level of need. Her experience offers perspective you can apply to your own clinical decision-making.

 

Episode Breakdown:

00:00 The Entrepreneurial Versus Conventional Care Debate

02:25 Building a Nurse Practitioner Functional Medicine Career

04:48 Air Force Roots and Reaching Insurance Patients

08:26 Why Complex Cases Moved to Consulting

14:12 Functional Medicine Missteps and One-Size-Fits-All Protocols

18:49 Opening an LLC and Building a Business One Step at a Time

24:24 Social Media Discomfort and Thinking Bigger

30:01 Postmenopause Muscle, Sleep, Mindset, and Toxic Thoughts

36:26 Advice for Practitioners Weighing Functional Training

38:22 Patient Wins From Fundamentals and to Hormone Therapy

 

SAFM Links:

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

Get weekly Clinical Tips in your inbox 

Learn more about SAFM’s practitioner training

Subscribe to our YouTube channel

Access quick clinical tips on Facebook 

Podcast production and show notes provided by HiveCast.fm

Patients walk into your office already convinced their adrenals are shot. The real physiology tells a different story, and untangling it changes how you assess fatigue, cortisol, and chronic illness in your next patient visit.

 

On this episode of Functional Medicine for Real World Impact, host Tracy Harrison takes on the adrenal fatigue myth functional medicine practitioners hear about every week. She breaks down why the adrenal gland is rarely broken and how HPA-axis dysregulation can contribute to the fatigue patients describe.

 

Tracy draws a clear line between Addison's disease and the low-cortisol patterns often described as adrenal fatigue. She explains how a blunted cortisol awakening response can be part of the altered cortisol patterns associated with prolonged stress and fatigue, and why glucocorticoid resistance can contribute to persistent inflammation even when cortisol reads high on paper.

 

She also names a source of stress practitioners may overlook. Not the job, the relationship, or the diagnosis still active in a patient's life, but the story their mind keeps replaying long after the original threat has passed.

 

If you want a more physiologically grounded way to retire the adrenal fatigue myth functional medicine culture keeps repeating, this episode gives you the physiology and the language to use with patients starting today.

 

Episode Breakdown:

00:00 Reframing Adrenal Fatigue as a Myth

01:35 Why Chronic Stress Physiology Drives Disease

04:39 How the HPA Axis Responds to Threat

06:59 Cortisol's Role Beyond the Stress Response

08:23 Myth One: Stress Is Not Inherently Harmful

11:52 Myth Two: Why Cortisol Isn't the Enemy

14:59 Addison's Disease Versus Adrenal Fatigue Myth

17:18 Cortisol Awakening Response and Diurnal Rhythm

19:40 Glucocorticoid Resistance and Receptor DownRegulation

23:26 Why Patients Keep Chronic Stress Alive Mentally

28:05 Nervous System Tools to Shift Stress Physiology

 

SAFM Links:

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

Get weekly Clinical Tips in your inbox 

Learn more about SAFM’s practitioner training

Subscribe to our YouTube channel

Access quick clinical tips on Facebook 

Podcast production and show notes provided by HiveCast.fm

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

Get weekly Clinical Tips in your inbox 

Learn more about SAFM’s practitioner training

Subscribe to our YouTube channel

Access quick clinical tips on Facebook 

Podcast production and show notes provided by HiveCast.fm

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:

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

Get weekly Clinical Tips in your inbox 

Learn more about SAFM’s practitioner training

Subscribe to our YouTube channel

Access quick clinical tips on Facebook 

Podcast production and show notes provided by HiveCast.fm