Heal Your Body.

Balance Your Mind. Steady Your Soul.

Functional medicine that is rooted in science and focused on generating health at the cellular level: identifying root causes, correcting biochemical imbalances and rebuilding foundational health.

Heal Your Body.

Balance Your Mind. Steady Your Soul.

Functional medicine that is rooted in science and focused on generating health at the cellular level: identifying root causes, correcting biochemical imbalances and rebuilding foundational health.

how we help you heal

At Steadfast Functional Medicine, we help you stop chasing symptoms and start healing at the root.

Using science-backed functional medicine, we look at the full picture—your nutrition, stress, lifestyle, genetics, and environment—to uncover what’s really going on. When helpful, we use advanced lab testing for added clarity.

Then, we build a personalized plan that includes targeted nutrition, realistic lifestyle changes, and professional-grade supplements.

We listen deeply, walk with you, and empower you with the tools, knowledge, and support you need for lasting transformation—physically, emotionally, and spiritually.

Why Steadfast Functional Medicine?

Your health is personal. Your care should be too.

Patients choose Steadfast because we provide:
• Integrity. Honest, thoughtful care without shortcuts.
• Wisdom. Personalized plans based on discernment, not one-size-fits-all fixes.
• Science. Rooted in functional medicine, systems biology, and evidence-based research.
• Compassion. Grace-filled, patient-first relationships.
• Commitment. A thorough, steady approach that honors the complexity of your health.

This is health care the way it should be.

Personal. Intentional. Supportive.

A Personalized, Root-Cause Approach

We take a whole-person, science-based approach to healing. With comprehensive lab testing (when needed) and a deep understanding of how your systems work together, we create a plan tailored just for you.

We support people struggling with:
• Chronic fatigue & brain fog

• Stress or sleep issues

• Hormonal or thyroid imbalances

• Gut health or digestive problems

• Mood & anxiety

• Autoimmune symptoms or inflammation

Our goal: help you understand why you feel the way you do—and then help you heal.

Explore Our Services

Meet Dr. Kathryn Zika

MD, IFMCP, FMACP — Board-Certified Physician with additional certifications in Functional Medicine

Dr. Kathryn Zika blends the depth of conventional medical training in pediatrics with the healing philosophy of functional medicine.

Her approach is gentle, thoughful, thorough, and deeply patient-focused.

With a unique background — including her life alongside a chiropractor husband — Dr. Zika is excited to use her training and life experiences to help patients restore and maintain good health.

Her mission is simple:

To help you feel whole, grounded, and healthy-from the inside out.

Learn More About Dr. Zika

Getting Started is simple

Book a Free Discovery Call

A 20-minute call to hear your story, answer questions, and see if we're a good fit.

Initial In-Person Consultation

A deep dive into your symptoms, history, lifestyle, lab work, and goals.

Your Personalized Healing Plan

A science-based, roadmap tailored to your unique needs-with clear steps and steady support.

Frequently Asked Questions

Clear answers to common questions about working with Steadfast Functional Medicine

What is Functional Medicine?

Functional medicine is a root-cause approach to care. Instead of just managing symptoms, it looks at how your genetics, lifestyle, environment, and nutrition are influencing your health. We use this big-picture view to design a personalized healing plan for your body, mind, and soul.

What conditions do you help with?

We help with a wide range of concerns, including:
• Chronic fatigue and burnout
• Hormone or thyroid imbalances
• Digestive issues (IBS, bloating, constipation, etc.)
• Autoimmune patterns and chronic inflammation
• Anxiety, mood changes, and stress-related symptoms
• Unexplained symptoms that haven’t improved with conventional care

If you feel “off” and haven’t found answers, functional medicine may be a fit.

What happens during the Discovery Call?

This free 20-minute phone call is a simple, no-pressure conversation. Dr. Zika will:
• Listen to your concerns
• Learn your health goals
• Explain what working together looks like
• Help you decide if this is the right next step

What happens during the Initial Consultation?

Your first visit is a deep dive into your:

- Health history

- Symptoms

- Lifestyle

- Stress levels

- Previous lab results

- Nutrition and sleep patterns

Dr. Zika will connect the dots, explain possible root causes, and map out your personalized care plan.

Do you offer virtual appointments?

Yes.
Follow-up visits can be done virtually or in-person—whatever fits your life best.
Initial consultations are in-person for the most accurate and personalized assessment.

How long will it take to see results?

It varies. Some patients feel better within weeks. For others, healing takes longer—especially if issues are complex or long-standing.
We focus on true healing, not quick fixes.

Do you accept insurance?

We are a cash-based practice.
This allows us to offer longer, more personalized visits without insurance restrictions.

Need reimbursement? We can provide a superbill you may submit to your insurance. Coverage varies by plan.

How do I schedule an appointment?

Start by booking a Discovery Call right here on the website.

Once you're a patient, all scheduling is done through Practice Better, our secure patient portal..

What should I bring to my first appointment?

To get the most out of your visit, please bring:
• Recent lab results (if available)
• A list of current medications and supplements
• Completed intake forms via Practice Better
• Notes about symptoms or health patterns you've noticed

The more context we have, the more personalized your care can be.

What makes Steadfast Functional Medicine different?

Here’s what sets us apart:
• Medical expertise. Dr. Zika is a board-certified pediatrician and IFM Certified Practitioner.
• Whole-person care. We treat the root causes—not just the symptoms.
• Compassion & clarity. You’ll be heard, supported, and given a clear plan.
• Faith-informed values. We bring wisdom, integrity, and grace to everything we do.

You’re not just a patient here. You’re a partner in your healing.

What does it look like to work together?

We offer three levels of care, designed to provide structure, support, and continuity. Your care plan is personalized to your needs—and evolves as your health improves..