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PODCAST

Functional Medicine Reality Podcast

Dr. Mark Su MD, Functional Medicine Practitioner for Health and Longevity

The Functional Medicine Reality Podcast exposes the truth about what really happens in healthcare and why so many patients with complex, chronic conditions are left searching for answers. Hosted by Dr. Mark Su, founder & leader of RootSeek’s nationwide virtual care team, this show goes beyond quick fixes to uncover the root causes of illness—like Lyme disease and co-infections, mold toxicity, gut dysbiosis, hormone imbalances, hidden infections, and heavy metal exposure.Each episode reveals real

health & fitness medicine

All Episodes

52:44

43. Biological Age: GLP-1s & How to Know Which...

Functional Medicine Reality Podcast ·

2026/10/04

Your ring gives you one biological age, your watch gives you another, and the lab panel you ordered last spring lands somewhere else. It's hard to know which number to believe, or whether any of it is worth the money you're spending on it. In this episode, Dr. Su talks with Ryan Smith, founder of TruDiagnostic, about how to sort signal from noise. Ryan explains that the most important thing to check in a biological age test is how well it predicts real health outcomes later in life. A clock ...

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43:03

42. Health Advice on Social Media: How to Know Who to...

Functional Medicine Reality Podcast ·

2026/09/27

You've read the posts, watched the reels, maybe dropped your lab results into ChatGPT late at night, and you still don't know what to do next. When three doctors give you three different answers and your feed offers a new diagnosis every morning, the hardest part becomes knowing who to trust. Why this episode matters MaryJo Anderson saw 50 doctors over four years before she found answers for chronic Lyme disease. Nine months after sharing her story on this podcast, she's back with Dr. Su to t...

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6:25

41. Why Your Doctor Shuts Down Supplement Questions...

Functional Medicine Reality Podcast ·

2026/09/20

You've asked a doctor about a supplement, an herb, or a therapy like hyperbaric oxygen or ozone, and gotten a flat "that doesn't work" in return, with no real explanation and no room for follow up questions. Why this episode matters: Dr. Su has watched this happen to his own patients for years. In this episode he names exactly what's going on and gives it a term, ontological humility, the simple idea that we don't know what we don't know. He applies it to both sides of the exam room, and by ...

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70:12

40. The Brain Health PlayBook with Dr. Trevor Berry

Functional Medicine Reality Podcast ·

2026/09/13

Most of us will get our teeth cleaned twice this year and never think once about our brain. That's the gap Dr. Mark sits down with Dr. Trevor Berry to close in this episode. Why this episode matters: Dr. Berry is a board-certified chiropractic neurologist and co-founder of Brain Restore Centers, a fast-growing national network built around a hard fact, the changes behind conditions like Alzheimer's and Parkinson's can start twenty to thirty years before anyone notices a symptom. By the time m...

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16:11

39. Why We Built a Transparency-First Functional...

Functional Medicine Reality Podcast ·

2026/09/06

If you've ever wondered what you're actually getting when you walk through the door of a functional medicine practice, you're not alone. It's a crowded field, and there's no easy way to know what a given practitioner will actually be like until you've experienced it firsthand. Why this episode matters: In this episode, Dr. Mark Su steps back from the usual format of the show to explain exactly why the Functional Medicine Reality Podcast exists. This isn't a sales pitch and it never has been. ...

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40:38

38. Christine's Story on Hormones, ADHD, and Getting...

Functional Medicine Reality Podcast ·

2026/08/30

You've probably been told your labs look fine while you're barely functioning. That gap, between what a lab report says and what your body is actually telling you, is exactly where this episode lives. Christine has been a patient of Dr. Su's for over fifteen years, and this conversation traces her whole arc, from years of unexplained symptoms that finally led to a Lyme disease diagnosis, through a mold reaction, and into the last five months, where three specific changes stacked together and ...

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52:47

37. GLP-1s: The Science Explained, A Doctor and a...

Functional Medicine Reality Podcast ·

2026/08/23

You've watched GLP-1s take over every feed, every ad, every conversation at a family gathering, and you're still not sure what to believe. Is it legit? Is it safe? Is it just the easy way out? Why this episode matters: GLP-1s and peptides have gone from a niche diabetes medication to a full-blown cultural moment in just a few years, and the information hasn't kept up with the demand. Dr. Su and Mary Jo sit down for an honest, unfiltered conversation about what's actually happening in th...

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64:21

36. Doctor First or Inspector First: What to Do When...

Functional Medicine Reality Podcast ·

2026/08/16

You've read about mold. You've read about CIRS, mycotoxins, water damage, and now maybe even bacteria, and it's a lot. So you start looking into an environmental inspection, wondering if your house is behind the fatigue, the brain fog, the symptoms nobody's been able to explain. Why this episode matters: Dr. Mark Su sits down with Mike Schrantz, CIEC, one of the most connected indoor environmental professionals in the country, to talk about a pain point that shows up again and again in both t...

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58:59

35. Mobility vs. Stability: What Your Pain Treatment...

Functional Medicine Reality Podcast ·

2026/08/09

If you've done months of physical therapy or chiropractic care and your pain still hasn't moved, you're not imagining it, and you're not doing it wrong. Something in the plan was probably missing from day one. Why this episode matters: Most pain treatment starts with the same assumption: get stronger. But strength only works within the range of motion you actually have access to. If a joint can't move the way it's supposed to move, no amount of strengthening will fix it, and in some cases, i...

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17:51

34. Best Supplement for Longevity: Creatine, NAD,...

Functional Medicine Reality Podcast ·

2026/08/02

What's the single best supplement for longevity? Dr. Mark Su gets asked this question constantly, and in this solo episode he finally sits down and gives a real answer. It depends on what you're after. Want to feel younger and better? Creatine is the cheap, convenient place to start. Want something more personalized? Hormone replacement therapy, guided by testing, becomes the conversation. Want to actually be younger, not just feel it? NAD comes into play. Want precision instead of a one-size...

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45:25

33. HRV Explained by the Man Who Helped Build the...

Functional Medicine Reality Podcast ·

2026/07/26

If you've ever glanced at your wearable in the morning and felt a small wave of anxiety over your recovery score, this episode is for you. And if you've spent years feeling like your body is stuck in some kind of alert mode, tired but wired, never quite settled, this conversation might put language to something you've been feeling for a long time without knowing what to call it. Why This Episode Matters Heart rate variability, or HRV, gets talked about constantly in wearable culture, but most...

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34:45

32. The Hidden Power of Lyme Disease Symptoms That...

Functional Medicine Reality Podcast ·

2026/07/19

If your symptoms have never fully added up, if you've been handed a fibromyalgia diagnosis that didn't feel complete, or if you've watched someone you love go through the medical maze with Lyme disease and come out the other side still struggling, this episode is for you. Lyme disease is the single topic that opened the door to functional medicine for me nearly two decades ago. And it's one I keep coming back to because it remains one of the most complex, politically charged, and misunderstoo...

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56:04

31. Why "Passing Code" Doesn't Mean Your Home or...

Functional Medicine Reality Podcast ·

2026/07/12

If you've ever been told your labs are "normal" while you still feel exhausted, foggy, or sick in ways no one can explain, you already know how little "normal" actually promises. It turns out the same is true for the buildings we live in. Why this episode matters For anyone managing chronic illness, especially mold sensitivity, MCAS, or unexplained fatigue, your environment is often an overlooked piece of the root-cause puzzle. In this conversation, Dr. Mark Su talks with real estate develope...

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10:21

30. 3 Strategies for Medical Anxiety That Actually...

Functional Medicine Reality Podcast ·

2026/07/05

If your stomach drops every time your doctor's office calls, or you find yourself spiraling into worst-case scenarios before a test result comes back, you're not broken and you're not overreacting. Medical anxiety is real, and it's especially common for people who've spent years navigating chronic illness, uncertain diagnoses, or being told their labs are "normal" when they know something is wrong. Why this episode matters Most anxiety advice tells you to "just breathe" or "stop worrying." Th...

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92:13

29. Lyme Disease Treatment Isn't Working? Mold Might...

Functional Medicine Reality Podcast ·

2026/06/28

You did everything right. You pushed for testing when your doctors wanted to wait. You found a Lyme-literate practitioner. You went through the antibiotics, got through the rough stretch of feeling worse before better, and slowly started to climb back toward yourself. Months later, you're about 80% recovered. And then you stalled. If that sounds familiar, this episode is worth your full attention. Joia Mattheson is a functional nutritionist, a licensed dietitian, and a former civil engineer w...

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75:30

28. Why Your Probiotic Probably Isn't Working, And...

Functional Medicine Reality Podcast ·

2026/06/21

Ready to stop guessing and finally get a clear plan? Join Dr. Su for the Ask Dr. Mark Clinical Q&A Call, a small-group call limited to about five people each month where you can bring your real questions and get real direction. Book your spot: https://go.rootseekhealth.com/askdrmark If you've ever taken a probiotic for weeks, felt nothing, and quietly concluded they just don't work for you, this episode is for you. You are not wrong that something isn't working. You may just have never ...

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57:23

27. ADHD - Myths, Misconceptions & a Life Changing...

Functional Medicine Reality Podcast ·

2026/06/14

You've said it before. Maybe quietly, maybe to a close friend, maybe just in your own head. "I think I might have ADHD." And then nothing happened. There was nobody to follow up. Nobody to sit down with you and actually explored it. So you kept going, kept functioning, kept wondering. This episode is for you. Why This Episode Matters Adult ADHD, especially in women, is one of the most underdiagnosed conditions in medicine right now. Not because it is rare. Because it looks different than the ...

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54:51

26. Chronic Illness, Mold & Relationships: What...

Functional Medicine Reality Podcast ·

2026/06/07

If chronic illness has made you feel like a burden to the people you love, you are not alone, and you are not imagining how hard this is. Illness does not stay contained to the body. It moves through a household. It strains marriages, tests friendships, and quietly reshapes who you are in relationship to everyone around you. The fear that runs alongside it, the hypervigilance, the late-night symptom spirals, the feeling that you are asking too much, those things are just as real as any lab re...

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59:55

25. What Your Hospital Bill Isn't Telling You (A...

Functional Medicine Reality Podcast ·

2026/05/31

You went to the hospital. You got care. You came home. And then the bills started arriving, one after another, for amounts that didn't add up. And somewhere in your online patient portal was a diagnosis you had never been told about, for a condition nobody mentioned while you were lying in that bed. If that has happened to you or someone you love, you are not alone. And you are not missing something obvious. The hospital system was simply never designed to explain itself to the people moving ...

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19:30

24. ADHD, Stimulants, and Real Results with Dr. Mark Su

Functional Medicine Reality Podcast ·

2026/05/24

Once a month I open up one hour to five people only. Real questions, real answers, real direction. Grab your spot at go.rootseekhealth.com/askdrmark. You've probably been told the story about stimulant medication goes one way. You take it, you focus better, maybe you sleep less, maybe you lose your appetite. That's the whole conversation. But what if the real story is bigger than that, and most people never get to hear it because nobody in the exam room takes the time to tell it? In t...

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43 results

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