Dr. Mark Su MD, Functional Medicine Practitioner for Health and Longevity
Functional Medicine Reality Podcast
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 patient journeys and expert clinician reasoning, showing you how functional medicine tackles chro...
Author
Dr. Mark Su MD, Functional Medicine Practitioner for Health and Longevity
Category
Podcast website
Latest episode
Jul 5, 2026
Where to listen?
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Episodes
30. 3 Strategies for Medical Anxiety That Actually Work with Dr. Mark Su 05.07.2026 10:21
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"...
29. Lyme Disease Treatment Isn't Working? Mold Might Be Why. With Joia Mattheson MS, CNS 28.06.2026 1:32:13
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 atten...
28. Why Your Probiotic Probably Isn't Working, And What to Take Instead 21.06.2026 1:15:30
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...
27. ADHD - Myths, Misconceptions & a Life Changing Diagnosis with MaryJo Anderson 14.06.2026 57:23
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 mo...
26. Chronic Illness, Mold & Relationships: What Helps, What Hurts, and What Nobody Talks About 07.06.2026 55:20
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 sympt...
25. What Your Hospital Bill Isn't Telling You (A Nurse Explains) 31.05.2026 1:00:24
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 so...
24. ADHD, Stimulants, and Real Results with Dr. Mark Su 24.05.2026 19:30
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,...
23. Hype or Hope? How to Spot Mold Misinformation with Mike Schrantz 17.05.2026 39:17
If you've ever Googled "mold illness treatment" at midnight, desperate for answers, you already know how overwhelming it gets. The supplements, the sprays, the lab reports with pages of frightening health warnings, it can feel like you're drowning in information and still no closer to knowing what to actually do. This conversation is for you. Dr. Mark Su sits down again with Mi...
22. Pharmaceuticals vs. Supplements: What Your Doctor Isn't Telling You 10.05.2026 8:30
If you've ever stood in the supplement aisle wondering whether any of it actually works, or sat across from a doctor who handed you a prescription without explaining why, this conversation is for you. The question of pharmaceuticals versus supplements comes up constantly in functional medicine, and the honest answer is more nuanced than most people expect. In this episode, Dr. Mark Su breaks...
21: How to Choose Supplements You Can Actually Trust, with Leah Habjan 03.05.2026 1:12:34
Got Lab Results But No Real Answers? Download your free guide: rootseekhealth.com/labs You've probably stood in a supplement aisle, or scrolled past an influencer ad, and thought, I have no idea if any of this actually works. Maybe you've spent real money on things that did nothing. Maybe your doctor shrugged when you asked. That confusion is not a personal failing. It's the suppl...
20: Hair Loss, Peptides, and Taking Ownership of Your Health with Luigi 26.04.2026 1:04:23
Got Lab Results But No Real Answers? Download your free guide: rootseekhealth.com/labs If you've ever walked out of a doctor's office feeling like you were handed a prescription instead of an answer, you're not alone. That rushed, "here's a pill, see you later" experience is something a lot of people are navigating right now, and it leaves you with more questions than...
19: Alcohol, Self-Awareness, and Root Cause Health: A Real Conversation with Dr. Su & MaryJo 19.04.2026 54:52
Got Lab Results But No Real Answers? Download your free guide: rootseekhealth.com/labs Ready to find out what's actually going on in your body? Book a consult at rootseekhealth.com. What does alcohol have to do with functional medicine? More than you might think. In this episode, Dr. Mark Su sits down with patient and guest MaryJo for one of the most honest, human conversations the Functional...
18. Sick Home, Sick Body: A Real Mold Remediation Case Unpacked with a Dr. Su & Michael Schrantz, Mold Remediation Expert 12.04.2026 1:20:42
Got lab results but no real answers? Download your free guide and finally understand what your body is trying to tell you: rootseekhealth.com/labs Episode Overview Mold. It's one of those words that makes people freeze, panic, or reach for their wallet before they even know what they're dealing with. In this episode of the Functional Medicine Reality Podcast, Dr. Mark Su sits down with...
17. Statin Side Effects, Muscle Pain, and Brain Fog: How to Make a Smarter Cholesterol Decision 05.04.2026 20:31
What if the knee pain you've been blaming on age is actually a statin side effect? That's a question worth sitting with. And it's one of the reasons I wanted to do this episode, because I see this pattern in real people, in real conversations, all the time. Someone's been on a statin for a few years. They're moving less, feeling foggy, their joints ache. And when they brin...
16: Parasites, Lyme Disease & Cellcore: What Actually Heals Chronic Illness with Dr. Todd Watts 29.03.2026 45:09
I'll be upfront. I walked into my first encounter with Dr. Todd Watts as a full-on skeptic. I'm an MD. I like data. I've literally told vendors at conference booths, hey, I'm not buying anything, fair warning. That's just who I am. But I remember standing in that conference room years ago watching Todd present on parasites, a topic I had barely touched in fifteen years of...
15. What Causes Autoimmunity? A Deep Dive into Viruses, Inflammation, and Aging with Dr. Jessica Lasky Su 22.03.2026 1:09:25
Hey friends, what if we stopped fighting over labels and actually started treating the mechanisms behind what's making people sick? That's the question driving today's conversation with Dr. Jessica Lasky-Su from Harvard Medical School and Brigham and Women's Hospital. Here's the thing. Her team is working at the edge of some really fascinating science, genetics, epigenetic...
14. Part 3: Living with Chronic Lyme Disease - Resilience, Recovery, and Reclaiming Life After 7 Years of Illness | Mary Jo's Journey 15.03.2026 53:48
What does “I feel good” mean after years of chronic Lyme and a major surgery that reshapes your body and your identity? We sit down with Mary Jo to unpack a tender, determined third chapter: living well after treatment, navigating a post-hysterectomy reality, and rebuilding confidence without ignoring limits. The result is a rare blend of practical playbooks and soul-level honesty—how to budget en...
13. Gut Health, Mental Clarity, and the Search for Balance: A Real Talk with the Next Generation 08.03.2026 1:03:23
In this episode, I sit down with Sebastian, a family friend and college student, for an open and thoughtful conversation about health, food, mental clarity, and the overwhelm of modern wellness information. This is a rare and refreshing look at how the younger generation is thinking about health and asking questions many adults never learned to ask. Seb shares how his interest in lifting, performa...
12. Functional Medicine and Mold: A Deep Dive into Mycotoxin Testing with Mike Schrantz 01.03.2026 58:25
In this episode of the Functional Medicine Reality Podcast , I sit down again with my friend and colleague Mike Schrantz, an Indoor Environmental Professional I often call the “Doctor of Homes.” I’m the “Doctor of People,” and together we work at the intersection where sick buildings and sick bodies collide. Today we step into a thorny topic that affects a lot of patients and a lot of practitioner...
11. Unveiling the Truth: Financial Incentives in Healthcare 22.02.2026 15:09
One of the questions I am asked most often by patients is this: “Don’t doctors get paid to prescribe medications?” It is a fair question. And if you have ever left a medical visit feeling rushed, unheard, or confused about why a prescription was offered when you wanted to talk about lifestyle change, you are not alone. The short answer, from my experience, is no. Doctors are not paid directly for...
10. Understanding Your Symptoms: The Critical Role of Differential Diagnosis with Mihaela 15.02.2026 58:43
Hey friends. This is one of those foundational conversations that quietly shapes everything we do in healthcare, yet it’s rarely talked about outside medical training. In this episode, I walk you through the concept of differential diagnosis , what it is, why it matters, and how overlooking it can delay healing or, in some cases, cause real harm. Differential diagnosis simply means creating a thou...
09. Exercise as Medicine VO2 Max, Zone 2, and the Future of Longevity with Cooper Paul 08.02.2026 1:06:47
Welcome back to the Functional Medicine Reality Podcast. I'm Dr. Mark Su, and today we're pivoting from the chronic inflammation world into the longevity space. I'm here with Cooper Paul, a pulmonary hypertension specialist at a major academic hospital in Boston and a true longevity medicine enthusiast who's taught me an incredible amount over the last few years. Here's th...
08. Part 2: Living with Lyme - Mary Jo’s Journey from Diagnosis to Resilience 01.02.2026 50:46
Welcome back to the Functional Medicine Reality Podcast. I'm Dr. Mark Su, and this is part two of my conversation with Mary Jo Anderson. If you caught our first episode together, you know we covered the long, painful road to getting a Lyme disease diagnosis. Today we're diving into what happens after you finally have answers. Here's the thing. Getting a diagnosis doesn't mean e...
07. Understanding Mold: Myths, Realities, and Treatment Options 25.01.2026 58:35
Alright, so here's one I get asked constantly: Do I really need to throw out all my belongings if there's mold in my house? If that question's been keeping you up at night, or if you're stuck wondering whether dealing with mold means going bankrupt and starting over, take a deep breath. This episode's for you. I brought back Mike Schrantz, one of the most networked indoor...
06. Understanding Your Symptoms: The Critical Role of Differential Diagnosis 18.01.2026 13:24
Hey friends, this one's for both practitioners and patients who've been around the functional medicine world for a while. Here's the thing. When you've been dealing with chronic symptoms for months or years, it's really easy to fall into patterns. You start assuming every flare-up is the same old story. SIBO acting up again. Mold toxicity. Food sensitivities. But what if i...
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