Now accepting HSA (Health Savings Account) payments 

RVA’s Longevity, Weight Loss & Performance Lab

DEXA, RMR, VO2max, Health Behavior Coaching and more.

Metabolic Fitness Prescriptions

Unlock your personal metabolic formula to achieve your health and fitness goals.

Our Process



Our complimentary consultations determine how we can best help you. Let’s have a conversation to see if we are a good fit for your goals. Consults are in-studio or on the phone.



Metabolic assessments are the foundation of our programs. Your results are used to create custom fitness and nutrition plans that are safe, sustainable, and achievable.



Apply your assessment results to take your performance to the next level, break through plateaus or simply get your journey started. Track your progress with reassessments.

Metabolic Assessments

Body Composition

Determine your precise amounts of bone density, muscle mass and body fat percentage. A DEXA SCAN is the most comprehensive way to assess body composition. We help you distinguish where you are versus where you want to be. Get to know your body and accurately measure your success.


Design your optimal plan for burning fat and sculpting muscle. A VO2MAX assessment will find your unique heart rate training zones and define your cardiovascular health. We educate you on how to use your zones to balance strength and cardio workouts to achieve results faster. Work smarter, not harder.


Discover the speed of your metabolism and learn how to properly fuel your body. A Resting Metabolic Rate (RMR) assessment will tell you the amount of calories your body burns at rest, in a 24-hour period. This value is used to program your daily calories and macronutrients to achieve your goals. Eat real food for real results.


METAFITRX uses a person’s unique metabolic and body composition data to create permanent lifestyle changes and enhance fitness and nutrition success. Utilizing KORR Medical Technologies and GE Lunar Prodigy DEXA body composition analysis, gold-standard assessments are now available to everybody.

What our clients say

David and Melissa are amazing! They are passionate, knowledgeable and motivating. I've been able to break through substantial obstacles on my own fitness journey with their incredible help! Use them!
Dr. Dan M.
I was really happy with my experience. From being greeted, having the tests explained, the results interpreted, and questions answered, Melissa was friendly, knowledgeable, and encouraging. I felt good when I left, equipped with key information to help me on my health journey. I plan to come back for reassessments in the future.
Aileen M.
I’m turning 50 this year and what used to work was not working anymore. I was able to get control back by doing the metabolic testing needed to figure out my resting burn. You won’t regret getting your tests done and if you need more help with diet and working out there are packages for that too!!! Get control of your fitness goals…this couple is like no other.
Kristine H.
David and Melissa are great and are able to provide helpful objective information about your health! Highly recommend.
Kailee K.
My husband and I both had DEXA scans done at Metafitrx and were so pleased with how informative they were and how thoroughly our results were given to us.
Morgan A.
Melissa and David are the easiest to work with. They know their stuff and you’ll be surprised with how much they can do for you. Check them out!!
Debra w.

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