How Does Functional Medicine Address Root Causes?

If you’ve been doing “all the right things” and still don’t feel like yourself—tired all the time, foggy, bloated, or reacting to foods—it’s frustrating (and honestly exhausting) to keep hearing that everything looks “fine.” Functional medicine is built for situations like this. Instead of chasing symptoms one at a time, it takes a systems-based look at what may be driving them and builds a step-by-step plan to support real, lasting change. It’s meant to complement appropriate conventional care—not replace it.

Key Points

In functional medicine, “root cause” usually means a pattern of contributors—not one single issue. This approach looks at how body systems influence each other (gut, immune, metabolic, hormones, stress physiology, and sleep) rather than treating symptoms in isolation. Most care plans start with high-impact foundations—nutrition, sleep, stress recovery, and movement—before layering in advanced testing or supplements. Progress often happens in phases over weeks to months, with follow-ups to refine the plan as your body responds. And safety matters: supplements and protocols should be individualized, and urgent symptoms should be evaluated through conventional medical care first.

What “Root Causes” Means In Functional Medicine

 In functional medicine, “root causes” usually refers to the upstream drivers that keep symptoms going. For gut/SIBO patterns, food sensitivity, fatigue, and brain fog, that often includes combinations like:

  • Digestive dysfunction (motility, microbiome imbalance, inflammation)
  • Poor sleep quality or inconsistent sleep timing
  • Stress physiology that stays stuck in “high alert”
  • Blood sugar instability (energy crashes, cravings, irritability)
  • Nutrient gaps (or absorption issues)
  • Environmental or medication-related contributors (case-by-case)

Instead of asking, “What medication treats this symptom?” functional medicine asks, “What changed, what’s fueling this, and what does your body need to recover?”

How Functional Medicine Actually Works

Most functional medicine care follows a structured process:

  1. Deep Intake And Health Timeline
    You’ll typically spend more time on history than you would in a standard visit—symptoms, triggers, turning points, medications/supplements, food patterns, sleep, stress load, and what you’ve already tried. (This matters because symptoms rarely occur in isolation; systems affect each other.)

  2. Mapping Systems And Patterns
    Rather than treating “gut symptoms” and “fatigue” as separate problems, functional medicine looks for shared drivers across systems—like inflammation patterns, stress disruption, or nutrient insufficiencies.

  3. Testing When It Changes The Plan
    Functional medicine can use conventional labs and, when appropriate, specialty testing. The guiding principle should be: test when it will meaningfully change decisions. (Not every patient needs advanced testing.)

  4. Personalized Plan With Clear Priorities
    A practical plan usually includes:
    • Nutrition strategy (often starting with meal structure, protein/fiber, and trigger identification rather than perfection)
    • Sleep and circadian support
    • Stress recovery skills and nervous system regulation
    • Movement that’s realistic and sustainable
    • Targeted supports (which may include supplements or medications when appropriate)

5. Follow-Ups And Course Corrections
Because bodies change, plans should change too. Follow-ups help you track what’s improving, what’s stuck, and what to adjust next.

How Healing Unleashed Approaches Root-Cause Care

At Healing Unleashed in Lakewood, CO, Dr. Wanda Bedinghaus uses a whole-body, root-cause lens that includes gut-first foundations, lifestyle medicine, and attention to emotional/mental factors that can influence healing. This “whole-person” approach looks at mind, body, emotions, nervous system, and lifestyle—and is meant to complement conventional care, not replace it.

In practice, that often means:

  • Starting with foundations (nutrition, sleep, stress restoration, digestion support)
  • Using supplements or functional testing only when it adds clarity and changes next steps
  • Building a plan you can actually follow—step-by-step

Who This Approach Is For (And When To Get Conventional Care First)
Functional medicine is often a fit when you have chronic, overlapping symptoms like:

  • Bloating, reflux, irregular stools, or reactions to foods
  • Fatigue that doesn’t match your “normal” labs
  • Brain fog, low motivation, or feeling “off” without clear answers

But it’s not the right first step for emergencies or potentially urgent symptoms. Seek immediate conventional care for red flags like chest pain, shortness of breath, fainting, severe abdominal pain, high fever/dehydration, confusion, or stroke-like symptoms.

What To Expect For Timelines

Many patients notice progress in phases rather than overnight:

  • 2–6 weeks: early wins (digestive comfort, steadier mood/energy, better clarity)
  • 6–12 weeks: more consistent gains (fewer flares, better resilience, more predictable energy)
  • 3–6+ months: deeper repair (inflammation patterns, gut repair, metabolic and stress resilience)

Your timeline depends on your starting point, stress load, consistency, and what’s uncovered during evaluation.

What The Research Shows

  • JAMA Network Open (2019): Integrative and functional medicine were associated with greater improvements in quality of life compared to conventional primary care.
    https://pubmed.ncbi.nlm.nih.gov/31651966/
  • Neurogastroenterology & Motility (2020): Mind–body therapies reduced digestive symptoms and improved cognitive-emotional function—supporting the role of stress/nervous-system factors in gut symptom burden.
    https://pubmed.ncbi.nlm.nih.gov/32266762/
  • Integrative Medicine Review (2018): Gut permeability, inflammation, and microbiome imbalance are strongly linked to digestive reactivity and food intolerance patterns.
    https://pmc.ncbi.nlm.nih.gov/articles/PMC6469458/

Next Steps

 If you want a structured, root-cause plan for gut symptoms, food sensitivity, fatigue, or brain fog—start with the basics and build from there. You can learn more about services here: https://healingunleashed.com/services/ and meet Dr. B here: https://healingunleashed.com/meet-dr-b/.

When you’re ready to take the next step, you can request a consult here: https://go.healingunleashed.com/apply?_gl=1*131ihtg*_gcl_au*MjA2NjA4NjE2LjE3NjUyMTg1MzY.

Medically Reviewed by: Wanda Bedinghaus, MD, IFMCP
Founder & Medical Director, Healing Unleashed

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About Healing Unleashed

Known for her successful treatment of mystery illnesses, Dr. Wanda Bedinghaus and her team at Healing Unleashed combine an integrative, functional medicine approach with the appropriate lab testing.

Our unique approach to diagnosing and treating diseases and disorders recognizes that lasting health depends on resolution of the root causes of your disease. Click here to learn more »

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