Functional medicine · education
What Is Functional Medicine?
"Functional medicine" gets used a lot, and not always accurately. This article explains what it actually means, how it differs from a typical office visit, and what an evaluation-first workup looks like — described honestly, without overstating what any approach can do. It is educational only and not medical advice.
What to expect
Simply Health Integrated Medical helps patients understand symptoms, goals, and options before recommending a care path.
The next step is a consultation request or direct call so the team can determine whether the clinic is a good fit for your needs.
A simple working definition
Functional medicine is an approach that looks for the underlying contributors to symptoms rather than only naming and managing the symptom itself. Instead of stopping at "here is a label, here is a prescription," it asks why a pattern is happening — what in the person's history, labs, nutrition, sleep, stress, gut, or hormones might be driving it. It is a way of organizing the questions, not a single test or product. It also works best alongside, not instead of, appropriate conventional medical care.
How it differs from a typical visit
A standard visit is often short and focused on one complaint at a time. A functional-medicine evaluation tends to spend more time on history and how different systems interact — for example, how sleep, thyroid function, and stress might all feed the same fatigue. The aim is to connect dots that single-specialty care can miss. This does not make conventional care wrong; many patients need both, and a good functional-medicine clinician will refer out when that is the right call.
What an evaluation actually involves
A functional-medicine workup usually starts with a thorough history — symptoms, timeline, prior care, medications, nutrition, sleep, and stress. Targeted labs may be ordered when they will change the plan, and findings are reviewed together so the patient understands what they mean. The output is a structured, individualized plan, not a generic protocol handed to everyone. The emphasis is clarity and practical next steps over vague wellness language.
What functional medicine is not
Functional medicine is not a guarantee of a cure, a replacement for necessary medical treatment, or a license to make sweeping promises. Honest functional-medicine practice stays grounded: it acknowledges what the evidence supports, what is still uncertain, and when a different specialist is the better path. Be cautious of anyone framing it as a miracle answer — that is a marketing claim, not a clinical one.
Concerns it commonly explores
Patients often come to functional medicine with fatigue, gut issues, hormone-related symptoms, thyroid questions, weight that won't budge, or autoimmune-adjacent concerns that haven't resolved with single-specialty care. The shared thread is usually "something is off and no one has connected the pieces." The evaluation is built to look at those pieces together rather than one at a time.
Is it right for you?
Functional medicine tends to fit people who want to understand the why behind their symptoms and are willing to engage in a plan that may touch nutrition, lifestyle, labs, and follow-up. Whether it is the right starting point for you is a question best answered through an evaluation. At Simply Health Integrated Medical, Dr. Bryan Deloney, DC, MS-Functional Medicine, leads that evaluation in St. Louis.
Inside our St. Louis functional medicine clinic
Frequently asked
Common questions
▸What is functional medicine in simple terms?
It is an approach that looks for the underlying contributors to symptoms — across history, nutrition, sleep, stress, gut, hormones, and labs — rather than only naming and managing the symptom. It works alongside, not instead of, appropriate conventional medical care.
▸How is functional medicine different from regular medical care?
A functional-medicine evaluation typically spends more time on history and on how different body systems interact, aiming to connect dots that single-specialty visits can miss. Many patients benefit from both approaches, and a responsible clinician refers out when conventional care is the right path.
▸Does functional medicine cure disease?
No. Functional medicine is not a cure and not a replacement for necessary medical treatment. Honest practice stays grounded in what the evidence supports and acknowledges uncertainty. Be cautious of anyone promising miracle results.
▸What happens at a functional-medicine evaluation?
It usually begins with a thorough history, may include targeted labs when they will change the plan, and ends with an individualized plan reviewed together. Call (636) 590-4686 or request a consultation to learn more.
Next step
Ready to find the right next step?
If this page sounds like what you are looking for, request a consultation or call the office so the team can help you choose the right starting point.