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Provider reviewing a health questionnaire with a patient during a functional medicine visit in San Antonio

Root-Cause Medicine · Whole-Person Care · In Clinic or Telehealth

Functional Medicine in San Antonio, TX

For patients who are tired of hearing their labs are normal while they still feel exhausted, foggy, and stuck. We dig deeper, with evidence.

5.0(3 reviews)
Nurse Practitioner-Owned · Board-Certified Providers
Telehealth Urgent Care 24/7 Across Texas
Se Habla Español · Bilingual Care
Medical Center Clinic · San Antonio
Where
San Antonio clinic or telehealth
Visit Length
30-minute consultation
Performed By
Board-certified nurse practitioner
How to Book
Élite Consultations · Any Service

Find the Why Behind the Symptom

Root-Cause Care Grounded in Labs, Not Guesswork

Fatigue, poor sleep, and a sluggish metabolism usually have reasons. Functional medicine is the process of finding them and fixing what can be fixed.

Functional medicine at Fountain of Youth Élite begins with a 30-minute consultation that connects the dots between your sleep, energy, digestion, stress, hormones, and metabolism. Your nurse practitioner then orders targeted labs to confirm or rule out causes, from thyroid and blood sugar to vitamin levels and inflammation. The result is a whole-person plan built on data.

Plans often weave in lifestyle and nutrition changes, supplements when appropriate, and treatment for imbalances uncovered along the way, including women's hormone therapy or testosterone therapy. Our co-founders spent decades in emergency and acute care, so this is evidence-based medicine with more time to listen. See us on Medical Drive or by video from Schertz, El Paso, or anywhere in Texas.

  • Root-cause evaluation
  • Comprehensive lab review
  • Fatigue & energy workup
  • Sleep quality assessment
  • Metabolic health screening
  • Hormone balance review
  • Gut health & nutrition guidance
  • Whole-person care plan
Nurse practitioner mapping lab results and lifestyle factors on a care plan

Normal Labs, Still Not Right

Patterns a Root-Cause Evaluation Is Designed to Untangle

These are the complaints that bring most patients to functional medicine after other visits came up empty.

  1. Exhausted by Mid-Afternoon

    Thyroid, iron, blood sugar, sleep, and hormones are checked together, not one at a time.

  2. Sleeping Eight Hours but Waking Tired

    Sleep quality, stress hormones, and nighttime blood sugar swings all get examined.

  3. Metabolism That Feels Stuck

    Insulin resistance and hormone shifts are common culprits that basic panels miss.

  4. Bloating and Unpredictable Digestion

    Nutrition patterns, food triggers, and general gut health are part of the workup.

  5. Brain Fog and Low Motivation

    Nutrient status, hormones, and sleep debt often explain what gets dismissed as stress.

The Root-Cause Process

How a Functional Medicine Evaluation Unfolds Here

Thorough at the start, then focused follow-ups so the plan keeps improving.

  1. Deep-Dive Consultation

    Thirty minutes on symptoms, history, sleep, stress, diet, and goals, in person or by video.

  2. Targeted Lab Panel

    Labs chosen for your story, collected in clinic, at a local lab, or at home.

  3. Whole-Person Plan

    Lifestyle, nutrition, supplements when appropriate, and treatment for any imbalance the labs reveal.

  4. Follow-Up and Refinement

    Recheck key markers and symptoms, then adjust the plan as your body responds.

Why Root-Cause Care Here

How Functional Medicine at Fountain of Youth Élite Stays Evidence-Based

Whole-person care without abandoning the science. Here is what that looks like in practice.

Hospital-Trained Clinicians

Triple and double board-certified nurse practitioners with decades of hospital medicine between them.

Labs You Actually Need

Targeted panels instead of thousand-dollar shotgun testing you did not ask for.

Hormones in Context

Thyroid, sex hormones, and stress hormones are read alongside your sleep and metabolism.

Nutrition That Fits Your Table

Guidance built around real meals you will eat, backed by Maria's pro-level nutrition background.

Honest About Limits

When a symptom needs a specialist or imaging, we refer rather than improvise.

Virtual Visits for Every Texan

Consult and follow up from anywhere in Texas, with mobile labs in eligible areas.

Whole-Person Care Reviews

Patients Who Finally Got Answers at Fountain of Youth Élite

"Absolute amazing care team! Made me feel comfortable and excited to start a new wellness!"

Angelina Jaurrieta

October 2026

"Love how truthful they are about what services you need. Finally found someone that will listen to your concerns and not just out to take your money. I highly recommend coming here. They are gonna get me as a regular. I love how sweet and nice Linda and Maria are. I will be back."

Judy O'Malley

October 2026

"Lynda and Maria at Fountain of Youth Élite took care of Destini for her Botox, and we will be back. Both of them were hands-on the whole visit. They made her feel safe, kept it fun, and still took the time to educate her while they worked. You can tell it is a nurse practitioner clinic, not a rushed med spa. Medical, aesthetics, and wellness under one roof, and they actually explain what they are doing. We recommend them, and we are lifetime customers."

Gabriel Ybarra

October 2026

Functional Medicine FAQs

Root-Cause Medicine Questions, Answered

What is functional medicine?

Functional medicine looks for the root causes behind symptoms rather than only naming the symptom. Your provider studies how sleep, stress, nutrition, hormones, metabolism, and lab results connect, then builds a plan that addresses the drivers. At Fountain of Youth Élite it stays evidence-based and works alongside conventional care, not against it.

What conditions does root-cause medicine help with?

Patients most often come for persistent fatigue, poor sleep, weight that will not shift, brain fog, digestive complaints, and the sense that something is off despite normal basic labs. We also see hormone-related changes in men and women. Serious or urgent conditions are referred appropriately.

What labs are involved in a functional medicine evaluation?

It depends on your story, but panels commonly cover thyroid, metabolic and blood sugar markers, vitamins and minerals, inflammation, and sex hormones. We order what is useful rather than everything possible. Labs are drawn in clinic, at a local lab, or at home through our mobile concierge, and charges are separate from the visit.

Is functional medicine available by telehealth?

Yes. The initial consultation and follow-ups can be done by video during regular business hours for patients anywhere in Texas, with in-person visits at our San Antonio clinic whenever an exam or measurement adds value. Many patients split the difference, starting in person and following up virtually.

How is this different from a regular check-up?

A standard visit is often fifteen minutes focused on one complaint. A functional medicine consultation gives thirty minutes to connect patterns across sleep, energy, digestion, hormones, and lifestyle, then uses targeted labs to confirm or rule out causes. The plan covers habits and nutrition as much as prescriptions. Individual results vary.

Programs are provider-supervised and personalized after a medical evaluation and, where appropriate, lab work. Individual results vary, and no outcome is guaranteed. Prescription therapies are prescribed only when clinically appropriate.

Stop Guessing

Book a Root-Cause Evaluation in San Antonio or by Video

Schedule a functional medicine consultation and get a lab-guided plan for your energy, sleep, and metabolism.

Functional Medicine Questions?

Describe What Feels Off and We Will Suggest a Starting Point

Share your main symptoms and any labs you already have. We will reply during clinic hours with next steps.

(210) 346-9786Call or text during clinic hours, Mon–Sat 9am–7pm

Hours of Operation

  • Monday9:00 AM – 7:00 PM
  • Tuesday9:00 AM – 7:00 PM
  • Wednesday9:00 AM – 7:00 PM
  • Thursday9:00 AM – 7:00 PM
  • Friday9:00 AM – 7:00 PM
  • Saturday9:00 AM – 7:00 PM
  • SundayClosed · Telehealth 24/7

Ask Us a Question

Not sure which visit to book? Send a note and we will reply during clinic hours. Ready now? Book online.

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