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Functional Medicine Doctors and Clinic in Royal Oak, Michigan

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Your health deserves more than a one-size-fits-all approach

At our functional medicine clinic in Royal Oak, Michigan, we specialize in uncovering the root causes of your symptoms and creating personalized solutions that work for your unique body and lifestyle.

Whether you’re navigating hormonal changes, struggling with gut symptoms, or just feeling like something’s “off,” we’re here to help you reclaim your energy, balance, and confidence. This is your time to thrive—and we’re ready to guide you every step of the way.

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You’re here because your holistic health deserves more than a quick fix.

Functional medicine looks deeper—connecting the dots between your lifestyle, hormones, gut health, and overall wellness. At our clinic, we take the time to understand your story, uncover the root causes of what’s holding you back, and create a plan that’s tailored to your body. Because you don’t need a quick fix—you need lasting solutions that help you feel vibrant, energized, and truly yourself.

The truth about conventional medicine and why it’s failing you

Conventional medicine often just hands you a prescription or says, “It’s normal for your age,” without digging into why you feel this way.


Menopause and perimenopause are complex, and quick fixes don’t cut it. Conventional care isn’t designed to deal with the hormonal shifts that leave you feeling like a stranger in your own body.


Your body, hormones, and lifestyle are all connected, but conventional care rarely looks at the bigger picture. You end up feeling dismissed when all you want is someone to actually listen and help you feel better.


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You deserve to feel energized, balanced, and confident with holistic health—every single day

What to expect when you choose functional medicine with us

Your story, your health

We begin by truly listening to you. In your first visit, we’ll take a deep dive into your medical history, current symptoms, and lifestyle. Using tools like body composition analysis with the InBody system and comprehensive baseline labs tailored to women, we uncover the root causes of what’s holding you back. If needed, we’ll also recommend specialty tests to get a full picture of your health.

Behind the scenes care

Your care doesn’t stop when your appointment ends. Behind the scenes, we dedicate hours to meticulously reviewing your medical records, researching your condition, and analyzing your test results. This detailed work ensures that every aspect of your health is considered, so nothing is overlooked.

A personalized plan for holistic health

This includes personalized supplements, medications, prescriptive nutrition, and lifestyle recommendations. Through follow-up appointments, we’ll guide you step by step, ensuring you have the tools and support to feel your best and thrive.

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How it works

Fill out an application

This helps us get to know you, your health history, and your goals so we can create a plan tailored just for you. It’s quick, easy, and the start of a journey that could change everything.

Discover your personalized program

Together, we’ll uncover the root causes of your symptoms and design a tailored plan to meet your unique needs. Our programs require a minimum 3 commitment to ensure lasting transformation.

Redefine your holistic health

We'll arrange follow-up visits (in-person or virtual) as needed.

Start your application for functional medicine in Royal Oak, MI

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Elle MD Functional Medicine - Royal Oak, MI

At Elle MD Functional Medicine in Royal Oak, MI, led by Dr. Erin Hendriks and Dr. Maricela Castillo MacKenzie, we specialize in helping women in their 40s and beyond reclaim their health. From addressing hormone imbalances and menopause weight gain to chronic fatigue and more, we take a personalized, root-cause approach to uncover what’s holding you back. Our mission is to empower you with the tools and care you need to feel vibrant, balanced, and confident—because this is your time to thrive.

ABOUT US

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FAQ´s

  • How do I know if I need functional medicine?

    We understand that your schedule might change, and you might need to reschedule your appointment.


    You may cancel/reschedule your appointment without penalty up to 24 hours business days before your appointment. Voicemail messages are acceptable.

  • Do you accept insurance?

    We do not accept insurance at our functional medicine and weight management practice to ensure we can provide personalized, in-depth care without the limitations or constraints imposed by traditional insurance models, allowing us to focus fully on the long-term well-being and success of our patients.

  • What payment methods do you accept?

    We accept payment by cash, check, VISA, Mastercard, American Express and Discover. We also accept most FSA/HSA

  • Can I use my flexible spending or health savings account?

    Yes. We accept most HSA and FSA cards.


    You may cancel/reschedule your appointment without penalty up to 24 hours business days before your appointment. Voicemail messages are acceptable. 

  • What if I need to reschedule my appointment?

    We understand that your schedule might change, and you might need to reschedule your appointment.

    You may cancel/reschedule your appointment without penalty up to 24 hours business days before your appointment. Voicemail messages are acceptable.

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