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Precision Medicine. Mind-Body Wisdom.

Precision Medicine. Mind-Body Wisdom.

Vitality for today. Longevity for the decades ahead.


woman in black jacket standing near orange and white bus during daytime

Precision Medicine. Mind-Body Wisdom.

Vitality for today. Longevity for the decades ahead.


A Boutique Practice Built for Thoughtful Personalized Care

A Boutique Practice Built for Thoughtful Personalized Care

VitalityMD is a specialized women’s health practice focused on comprehensive perimenopausal and menopausal care, offering personalized bioidentical hormone therapy, cardiometabolic optimization including GLP and GIP therapies, and support for sleep, mood, libido, energy, anxiety, and stress.. Founded and led by Mona Saint, MD, MPH., a physician board-certified in Obstetrics & Gynecology, Integrative Medicine, and Obesity Medicine. Dr. Saint provides care that is deeply personalized and grounded in decades of clinical expertise and almost two decades of teaching mindfulness, meditation, peak performance and stress resilience tools. .

Our calm, modern San Juan Capistrano setting is intentionally designed for the woman who values a holistic, high-touch medical experience. Here, you aren’t just a chart number; you are a partner in a physician-led journey toward your best health and long-term longevity.

a woman wearing a white dress and gold hoop earrings
a woman wearing a white dress and gold hoop earrings
woman carrying toddler on seashore
woman carrying toddler on seashore

Your Future Self is Built Today.

Your Future Self is Built Today

Your Future Self is Built Today.

The choices you make in your 30s, 40s, and 50s are the architectural blueprints for your 60s, 70s, 80s, and beyond. At VitalityMD, we don’t view our care as transactional fifteen minute fast medicine; we partner with you for individualized, hormone, metabolic and longevity medicine.

So many women are doing all the “right things,” yet still feel off. We prioritize immediate relief, restoring your energy, sleep, and metabolic rhythm now, as the foundation for the decades to come. By optimizing your biology today, you are protecting your bone density, cardiovascular health, and cognitive reserve.

I want this to be the best chapter of your life, ensuring every decade that follows is even better. We play the long game so you can keep playing yours—whether that’s traveling the globe, dominating the pickleball court, or staying active with your future grandchildren for years to come.

For Women Who Refuse to Feel "Fine"

For Women Who Refuse to Feel “Fine”

For Women Who Refuse to Feel "Fine"

Personalized, physician-led care for women who are intentional about how they live and how they age.

You’re capable. You show up. You take care of everyone else. But somewhere along the way, you stopped feeling like yourself.

  • Waking at 2 a.m. with a racing mind.

  • Weight that won’t budge despite your best efforts.

  • Brain fog and fatigue stalling your day.

  • Being told your labs are “normal” when you feel anything but.

This is not a failure of will. It’s physiology. We connect the dots between your hormones, metabolism, and nervous system to get you back in the driver’s seat of your health.

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person in red jacket standing on green grass field near green trees during daytime
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Women’s Longevity and Optimal Wellness

Women’s Longevity and
Optimal Wellness

Women’s Longevity and Optimal Wellness

Your Biology is Unique. Your Care Should Be Too. A comprehensive approach to Women’s Longevity and Optimal Wellness, because deep health requires more than more than our broken healthcare system with episodic problem focused visits jammed into 8-minute or online appointments, often never with an MD and without a road map for wellbeing.

  • Move through your day with steady energy.

  • Sleep deeply every night.

  • Think clearly and eliminate brain fog.

  • Feel strong in your body and mind again.

  • Optimize performance for all that life requires of you.

  • Build superior stress management and resilience.

Your Biology is Unique. Your Care Should Be Too. A comprehensive approach to Women’s Longevity and Optimal Wellness, because deep health requires more than a fifteen-minute visit.

  • Move through your day with steady energy.

  • Sleep deeply every night.

  • Think clearly and eliminate brain fog.

  • Feel strong in your body and mind again.

  • Optimize performance for all that life requires of you.

  • Build superior stress management and resilience.



Your Biology is Unique. Your Care Should Be Too. A comprehensive approach to Women’s Longevity and Optimal Wellness, because deep health requires more than a fifteen-minute visit.

  • Move through your day with steady energy.

  • Sleep deeply every night.

  • Think clearly and eliminate brain fog.

  • Feel strong in your body and mind again.

  • Optimize performance for all that life requires of you.

  • Build superior stress management and resilience..

The Vitality Intake Visit

The Vitality Intake Visit

Every partnership at VitalityMD begins with an extensive one-hour Integrative Intake designed to create absolute clarity around your hormone, metabolic, and nervous system challenges and your peak performance goals. This foundational visit is the start of your care. Dr. Saint utilizes Mind Body Phenotyping and Hormonal Profiling to identify the specific patterns behind your energy shifts and lifestyle nervous system physiology. This deep dive allows us to curate your personalized order for advanced hormone, metabolic, and longevity biomarker testing, which can be run through insurance or at a direct lab discounted rate.

From there, your individualized plan is built on precise data and a clear synthesis of your unique physiology, mind body type, and hormonal patterns. Your care may include bioidentical hormones, weight and metabolic prescriptions, or peak performance supplements and mindfulness tools, all tailored specifically to you. We partner with you every step of the way to ensure your treatment is data-driven, so you can show up fully for the people you care for and enjoy your best years yet to come.

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Meet Dr. Saint, MD, MPH

Rooted in compassion and guided by science, Dr. Saint’s clinical foundation was built at UCSD, Tulane, and UCSF and solidified at Saddleback and Hoag Hospitals, where she delivered over 1,000 babies during the course of her career. This extensive background provides a profound understanding of the complexities women face at every life stage.

Her vision was further refined as the Director of Emotional Wellbeing at the Chopra Center. There, she guided high-performance executives, athletes, actors, and busy moms who appeared vibrant yet felt "running on empty" within. This taught her that vitality lives at the intersection of clinical science and nervous system resilience—not in a standard protocol.

Bridging medical expertise with integrative wisdom, Dr. Saint founded Vitality MD to look beyond labs and partner with women to build a legacy of health that lasts for decades.

a woman wearing a white dress and gold hoop earrings
a woman wearing a white dress and gold hoop earrings
person in red jacket standing on green grass field near green trees during daytime
person in red jacket standing on green grass field near green trees during daytime

A Personal Note from Dr. Saint

Medicine has always felt sacred to me.

Not because of titles or training, but because of the people. The humans behind the symptoms. The strength behind the smiles. The quiet courage it takes to keep going when your body or mind are asking for something different.

Women and moms have always been my people. I see you. How much you hold together. How often you push through. You are magnificent. You are the glue in families and the fabric of communities, schools, workplaces, friendships, and so much of humanity.

I have cared for women in hospital corridors at 3 a.m., in delivery rooms filled with urgency and hope, and later as Director of Emotional Wellbeing at the Chopra Center. There, I worked with high achieving women, many of them mothers, who looked like they were thriving on the outside yet felt depleted on the inside. They shared the exhaustion. The anxiety. The quiet feeling of not recognizing themselves anymore.

What stayed with me was never really the labs or the diagnoses. It was the invisible load women carry and how often that is minimized. It was the stories behind the symptoms. The families and organizations depending on them. The way so many women keep showing up, even when they are running on empty.

I built Vitality MD to care for YOU the women, the incredible forces of nature , behind the symptoms and roles. To take you seriously. To never dismiss what you feel. To remind you that you are not failing. You are responding to a life that asks a lot; often far too much. And to encourage you to lean into your ongoing hopes and dreams for yourself and your loved ones, and NEVER lost hope.

As a physician and mother of three, dance and volleyball mom, daughter, sister, wife and loyal friend, I understand how easy it is to lose your footing while being everything for everyone. My passion is helping you come back to yourself. To feel clear again. Strong again. Steady again. To embrace hope, connection and joy. And to have fun and hopefully find meaning and fulfillment in the process working together.

Because you are extraordinary.
And you deserve care that treats you that way.