The short answer
Functional medicine is a way of practicing medicine that starts from a different question. Instead of asking “what diagnosis matches these symptoms, and what manages it,” it asks “why is this happening in this particular body, and what would resolve it.” In practice that means longer evaluations, a deeper history, broader lab testing, and treatment plans that lead with nutrition, sleep, stress, and movement before adding prescriptions where they belong.
None of that is alternative medicine. At its best, functional medicine is conventional physiology taken seriously enough to spend time on, and this page explains what that looks like.
What it looks like in practice
A typical primary care visit runs about eighteen minutes, which is enough to manage the problem in front of it and not much more. A functional medicine evaluation here runs 75 minutes. That difference in time is not a luxury; it is the method. Chronic problems like fatigue, gut trouble, hormone symptoms, and weight that is hard to lose usually have more than one driver, and the drivers hide in the history: when it started, what changed, what your labs have quietly done over a decade, what your sleep and stress actually look like.
Testing is broader too, and it is read against a different question. A standard panel asks whether you are inside the standard range. A functional panel asks what the optimal range is for you. That distinction matters more than it sounds, because a reference range is not a target: it is built from the middle of everyone who happened to get that blood test, which is a description of the average, not of a person doing well. So the panel widens, full thyroid instead of TSH alone, insulin-resistance markers alongside glucose, nutrient and inflammation markers where the story points, and the results get read against where healthy people actually feel well. Our functional medicine page walks the evaluation step by step.
What it is not
- It is not anti-medication. Prescriptions are tools, and the right one at the right time is good medicine. Lifestyle-first does not mean lifestyle-only.
- It is not a replacement for your primary care provider or your specialists. For autoimmune disease, cardiology, oncology, and anything acute, the specialist leads and we work alongside. The specialist leads on diagnosis and disease management; we work the system around it.
- It is not for emergencies. Chest pain, stroke symptoms, severe infection: that is the emergency room, full stop.
The evidence question, answered
Is functional medicine legitimate? The answer has two halves, and you deserve both.
The first half: most of what a serious functional medicine practice does is well-supported, unglamorous medicine. Thorough histories, metabolic and nutritional testing, structured lifestyle change, sleep and stress work: these have real evidence behind them, and nobody in conventional medicine disputes them so much as lacks the appointment time to do them.
The second half: recommendations here come with their evidence level attached.
Every recommendation here comes with its category attached: well-supported, promising but early, or worth trying with its uncertainty stated. If we cannot say which, we do not recommend it.
How to vet any practice, including this one
These questions work anywhere, and a good practice will enjoy answering them:
- Who is licensed, and as what? Some functional medicine providers are physicians, some are nurse practitioners, some are not clinicians at all. Care here is led by Catherine Seidle, APRN, a board-certified nurse practitioner with an ICU background and more than a decade in practice, certified as a Functional Medicine Practitioner (CFMP) through Functional Medicine University.
- Do recommendations come with their evidence level? Ask whether each suggestion is labelled well-supported, promising but early, or uncertain, and whether anyone will name which of the three it is. A practice that grades its own recommendations is showing you where the edges are; one that presents everything at the same confidence is not.
- Is testing disciplined? More tests are not better care. Ask why each panel is being ordered and what decision it changes.
- Are prices posted? Transparent, cash-pay pricing you can read before you walk in is a signal about everything else a practice tells you.
Who it helps most
Functional medicine is at its best on chronic, multi-system problems: persistent fatigue, thyroid and hormone symptoms, gut issues, metabolic and weight concerns, and support alongside a specialist for autoimmune conditions. Our conditions library walks each of these without the jargon, including when the answer is a referral.
If that sounds like you, the way in is simple: a free consultation, a full history, testing chosen because it changes a decision, and a plan you understand. That is the whole method.