Integrative Hormone & Longevity Clinic in Fullerton, CA

 

Personalized medicine for women and men seeking answers, root-cause evaluation, and long-term health. We specialize in GLP-1 weight loss, bioidentical hormone therapy, peptide therapy, and more.

Physician-led. Integrative. Evidence-based.

At Precision Health MD in Fullerton, CA, we help adults of all ages finally understand their symptoms — whether you’re dealing with fatigue, hormone changes, gut issues, mood shifts, sleep problems, weight changes, or preventative health goals.

If you’ve been told “everything looks normal” but you don’t feel normal, you’re in the right place. We listen deeper, test smarter, and treat the whole person, not just lab numbers.

Whole-Person Integrative Care for Women and Men

Life changes your body — stress, hormones, metabolism, sleep, gut health, and inflammation all play a role.
But most traditional care looks at each symptom separately.

We connect the dots.

Common reasons people seek our care:

  • Chronic fatigue

  • Mood changes, anxiety, irritability

  • Brain fog or poor focus

  • Weight gain or metabolic changes

  • Irregular or heavy periods

  • PMS or cycle changes

  • Perimenopause & menopause symptoms

  • Low libido or sexual changes

  • Sleep disturbances or 3 a.m. wake-ups

  • Gut issues, bloating, or food sensitivities

  • Thyroid concerns

  • Testosterone changes in men

  • Inflammation or early longevity risks

  • Cardiovascular or metabolic prevention goals

If something feels “off,” we help you understand why — and what to do about it.

Health Services

Precision Health MD

At Precision Health MD, we offer a comprehensive range of health services tailored to meet your unique needs. Our dedicated team combines advanced medical expertise with compassionate care to help you achieve optimal health and wellness at every stage of life.

Aesthetic Services

Precision Health MD

Our Aesthetic Services at Precision Health MD provide cutting-edge solutions to help you look and feel your best. With treatments like Femlift and Alma Harmony, we offer safe, effective options to rejuvenate and enhance your natural beauty, tailored to your personal goals.

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What Makes Precision Health MD Different

Personalized, root-cause evaluation

Extended appointments & true listening

Focus on how you feel, not just your lab ranges

Advanced labs you won’t get in routine care

Clear answers — not dismissals

Liz

Patient

If I haven't communicated something clearly, she asks for clarification. I've never felt rushed or ignored.

Rachel

Patient

I would recommend Dr. Roelands to any female that has concerns about her health.

Craig

Patient

My stomach issues have started to improve after working with Dr. Jen.

Jasmine

Patient

Dr. Jen really listens and offers solutions to the root of the challenge. I have more energy, better sleep and my middle has started to whittle.

Gina

Patient

You're Not Just Treating Symptoms

Anyone who wants to take a deeper dive into their challenges and be open to solutions, not just treating symptoms.

Founder Precision Health MD

I’m a board-certified doctor and integrative gynecologist who is passionate about optimizing health. 

As a former sufferer of PCOS and hypothyroidism, I’ve been on the hormone roller coaster. Whether it's digestion issues, fatigue, hair loss, brain fog, or infertility, I’ve been there personally. And that’s why I want to help YOU. I was able to heal my body and eliminate all symptoms of my chronic conditions with a functional and natural approach, and I can help you do the same. 

My mission is to show you how to create optimal wellness for yourself. By utilizing food, movement, mind-body practices, herbs, and supplements, you can reverse chronic illness and create a vibrant, energizing life full of joy and longevity!

Learn More About Dr. Jen

dr jen medical

I'm Dr. Jennifer Roelands,
and I’ve been in your shoes.

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