Test Today, Breathe Stronger

VO2 Max Testing

Find your fat-burning heart-rate zones and improve a key longevity marker. A simple, non-invasive test gives you precise data to optimize fitness and health performance.

Why Choose VO2 Max Testing?

Pinpoint Performance

Get the most precise measurement of your aerobic fitness and endurance capacity using industry-standard VO₂ Max testing.

Detailed Insights

Understand your oxygen efficiency, stamina levels, and cardiovascular endurance — revealing how effectively your body uses oxygen during exercise.

Track Progress

Monitor your fitness journey with detailed progress reports and comparisons over time.

Safe & Controlled

Experience a fully supervised test conducted in a controlled environment with professional-grade equipment.

What is VO2 Max

Testing?

VO2 Max (Maximal Oxygen Uptake) is the gold standard for measuring cardiovascular fitness and aerobic endurance. It evaluates how efficiently your body consumes and utilizes oxygen during increasing levels of physical exertion. The higher your VO2 Max, the better your body’s capacity to perform sustained exercise and recover efficiently.

Unlike generic fitness tests or wearable estimates, professional VO2 Max testing provides a precise and scientific breakdown of your endurance potential  allowing athletes, fitness enthusiasts, and beginners alike to track measurable progress and optimize training intensity.

Benefits of VO2 Max Testing

Accurate Endurance Measurement: Unlike estimations from smart devices, VO₂ Max testing measures actual oxygen consumption to assess true aerobic fitness and cardiovascular capacity.

Optimize Training Zones : Identify your personalized heart rate and intensity zones to train smarter not harder for maximum efficiency and improved results.

Track Improvements Over Time : Compare data from each session to see measurable progress in stamina, recovery, and oxygen utilization.

Early Health Indicators :VO₂ Max is a key predictor of long-term cardiovascular health, helping identify potential risks early and improve overall wellbeing.

Non-Invasive and Quick:  Tests take around 10–15 minutes and are conducted under expert supervision using safe, non-invasive methods.

Performance Benchmarking:  Whether you’re preparing for an event, enhancing athletic performance, or improving general fitness, VO₂ Max testing gives you a clear performance baseline.

Why VO2 Max Matters for Longevity?

In this 60 Minutes segment, Dr. Peter Attia explains why VO2 Max is one of the strongest predictors of lifespan, and how training in the right zones (steady Zone 2 plus weekly high-intensity) can move the needle. Watch to see what VO2 Max actually measures, simple ways to estimate it, and why testing + retesting gives you a clear path to improve.

Dexafit Packages

Turn objective testing into clear action.

Choose a focused package that matches your goals, then book in minutes.

Pick the path that fits your goal; each package leverages your DEXA/RMR/VO2 data and adds targeted guidance

Optimization Package

The Optimization Package gives you a complete understanding of your body’s composition, metabolism, and performance potential. With these insights, you can align your nutrition, exercise, and recovery to your unique physiology.

Includes:

DEXA

RMR

VO2 Max

Nutrition Precision

Not sure how to translate your testing data into an actionable plan? Take your results one step further with our Baseline DEXA scan and Resting Metabolic Rate test, followed by a 50-minute consultation with a health coach.

Includes:

DEXA

RMR

50-min with a health coach

Peak Performance

Experience Peak Performance — a precision-based program pairing science and strategy.  With DEXA and VO2 Max testing at baseline and retest, this package delivers a complete performance and longevity profile built around your body’s data.

Includes:

2× DEXA (baseline + retest)

2× VO2 (baseline + retest 90–120 days later)

Test and re-test | DEXA + RMR Packs

These packs apply to  DEXA and RMR only, and you can mix any combination across 2, 3, 6, or 9 visits. For added flexibility, the 6 and 9 Packs are shareable  with one additional person.

2 Pack

Perfect for a clear start and first checkpoint.

3 Pack

Baseline, mid-point, retest for  momentum.

6 Pack

Multiple cadence for consistent change.

9 Pack

Best value, keep motivation high all year.

  • What is a VO2 Max test?

    VO2 Max stands for maximal oxygen uptake — it measures how efficiently your body uses oxygen during exercise. It’s considered the gold standard for assessing aerobic fitness and endurance capacity.

  • How does a VO2 Max test work?

    During the test, you’ll perform graded exercise (usually on a treadmill or bike) while wearing a mask that measures your oxygen intake and carbon dioxide output. The intensity increases gradually until your body reaches its maximum oxygen consumption point.

  • Is VO2 Max testing safe?

    Yes. The test is completely safe and non-invasive. It’s conducted under controlled conditions by trained professionals using clinical-grade equipment to monitor your breathing and heart rate throughout.  We offer walking and running protocols and the test can be done on the treadmill or a stationary bike.


  • How long does a VO2 Max test take?

    The entire process takes about 30–40 minutes, including setup, warm-up, and the test itself, which typically lasts 10–15 minutes depending on your fitness level.

Go Beyond the Data Transform Your Health from the Inside Out.

You’ve measured where you stand with DexaFit. Now take the next step with Prefusion Health, our partner in total wellness and optimization. From advanced labs and hormone balance to nutrition, IV therapy, and peptide treatments, Prefusion creates personalized programs designed to help you feel and perform your best every day.