Longevity, Weight Loss & Performance Lab
Data-driven DEXA body composition, RMR metabolic testing, and VO2max assessments in Richmond, VA. Unlock your metabolic potential.
Metabolic Fitness Prescriptions
Our personalized metabolic fitness prescriptions are based on your unique body composition, metabolic rate, and cardiovascular data. We use science to create a plan tailored specifically to you.
Fitness | Nutrition | Behavior
Is this you?
Three reasons people come to us.
“Your weight hasn’t changed. Your body has.”
For women, peri & post-menopause. Perimenopause and menopause shift fat, muscle, and bone — often before the scale moves. Find out exactly what shifted.
“You’re doing what always worked. It stopped working.”
For men, 40 and over. Metabolism, muscle, and recovery all change after forty. See your real numbers instead of guessing why.
“You want to be strong at eighty, not just at forty.”
For the longevity-minded, any age. Know where you stand now — and keep it.
The Process
Stop Estimating. Start Measuring.
Generic calculators and fad advice guess. We measure your actual physiology and build the plan from there — then keep it current as you change.
Assess
Find out what’s actually true — body composition, resting metabolism, cardiorespiratory fitness. Measured, not estimated.
Apply
Turn the numbers into a plan — calorie targets, macronutrients, and real training zones, explained by a person.
Adjust
Prove it’s working, then raise the bar. Reassess, track the trend, and keep the plan current as your body keeps changing.
What we offer
Three measurements. One visit.
Know your body
Fat, muscle, and bone — precisely, not estimated (DEXA). The scale tells you what you weigh; a DEXA scan tells you what that weight is. You’ll leave knowing your true baseline and where risk is hiding.
Know your fuel
Your real calorie burn, measured — not a formula (RMR). We measure the air you breathe to work out what your body burns at rest, and whether you’re running on fat or carbs. You’ll leave with your actual calorie and macronutrient targets.
Know your engine
One of the strongest predictors of a long, capable life (VO2max). How efficiently your body uses oxygen at peak effort, plus heart rate zones set from your own thresholds. You’ll leave with clear results and a plan for improvement.
Engage.
Empower.
Elevate.
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.
More About UsProof
People like you, already measuring.
“I learned more in one session than I had in many years of annual physicals with my general MD.”
Scott Sinclair
MetaFitRx client
“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.
Verified review
“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.
Verified review
“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.
Verified review
Inside the lab