Precision Performance Program | Rosa Keller Nutrition
Precision Performance Program

Stop Guessing. Start Measuring.

A testing-driven nutrition program for high performers, from competitive athletes to the 30-year-old training for their first marathon, built on gut microbiome analysis, genetic testing, clinical labs, and body composition data, not guesswork.

Led by Dr. Rosa Keller, PhD, RD: nutrition scientist with doctoral training in analytical chemistry and metabolomics from Oregon State University, and clinical dietitian training completed at UCSF.
See If You Qualify 12 weeks or 6 months. One program.
The Problem 02 / 09

Most nutrition advice is written for the average person.

You have a specific goal and it deserves a specific plan, with your specific biology in mind.

Generic macro targets. Recycled meal plans. Supplement recommendations based on nothing but a questionnaire.

Whether you're chasing a PR or training for your first real event, that approach leaves results on the table. Two people working toward the same goal can respond to identical training and diet completely differently. The difference sits in your gut microbiome, your genetics, your lab markers, and your body composition.

Those things are measurable, and make a world of difference in your success.

The Program 03 / 09

What the Program Includes

Gut

Gut Microbiome Testing

A full analysis of your gut bacteria, diversity, and how they affect digestion, inflammation, and recovery.

DNA

Genetic Testing

Nutrigenomic analysis to identify how your body processes nutrients, and what's actually actionable.

Labs

Clinical Lab Panel

Blood work covering the biomarkers that matter for energy, recovery, and metabolic health.

Body Comp

DEXA / InBody Body Composition

Precise measurement of lean mass, fat mass, and change over time.

Intake

Cronometer Nutrition Tracking

Ongoing intake tracking so recommendations are based on what you actually eat.

The Process 04 / 09

A Clear Three-Phase Process

PHASE 01 - BASELINE

Baseline

Complete testing across microbiome, genetics, labs, and body composition. We establish where you actually stand, not where you think you stand.

PHASE 02 - INTERVENTION

Intervention

A nutrition protocol built specifically from your results and tied to your performance goal. Ongoing tracking and one-on-one coaching with Dr. Keller.

PHASE 03 - RETEST

Retest

We measure again. Improvements are shown in data, not in how you feel about the process.

Your Timeline 05 / 09

Two Options. One Program.

Option A

12 WEEKS

Full baseline testing, personalized protocol, coaching, and a follow-up retest. Best for high performers with a specific event or a defined short-term performance target.

TestingFull baseline
Coaching1:1, ongoing
RetestAt week 12
Investment[PENDING]
Apply Now
Results 06 / 09

Results, in Numbers

Case Study

[Athlete profile: age range, sport, goal]

Baseline: [data] · Protocol change: [summary] · Retest: [data]

[ AWAITING DATA FROM ROSA ] Results section is built and ready. It stays hidden until 2 to 3 real, consented case studies with baseline and follow-up numbers are supplied.
Why Dr. Rosa Keller 07 / 09

The Credentials Behind the Protocol

[ Approved professional headshot pending ]
  • 01

    PhD, doctoral training in nutrition science.

  • 02

    Registered Dietitian, clinical training completed at UCSF.

  • 03

    Research background in dietary nitrate, leafy green bioactivity, and gut microbiome science.

  • 04

    "As co-owner of a restaurant, I know food has to taste good and feel culturally rooted before it can do anything for your health."

  • 05

    "Passionate about bridging culture, community and food to help you integrate goals with real life."

FAQ 08 / 09

Questions Worth Asking

Final answer pending from Dr. Keller.[PENDING]
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Apply 09 / 09

Find Out If This Program Is Right for You

Start with a short application. We'll review your goals and current training, and if the program is a fit, we'll invite you to book a discovery call with Dr. Keller.

You'll hear back within 48 hours.

Start Your Application

We do not accept insurance. This program is FSA / HSA eligible.

[ Insert single qualifying form here (Jotform/Typeform): Name / Email / Sport (if applicable) / Current training routine / Performance goal / Preferred option (12 weeks / 6 months) / Notes. Conditional logic: qualifies -> show booking calendar, does not qualify -> soft follow-up, not a hard no. ]
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