Real science, explained in plain English.
Longevity has become a crowded word. Plenty of clinics sell drips, peptides and supplement stacks with big promises. We take a quieter, evidence first approach, led by your own physician.
What we do
- Test what large studies link to long term health
- Explain every number and what it means for you
- Build a realistic plan around your actual life
- Retest, so you can see what is working
What we won't do
- Sell supplements, IV drips or products
- Promise to reverse your age or add years
- Order expensive tests without a reason
- Hand you a pile of results with no plan
Eight checks that tell the real story.

Advanced lipid panel
ApoB and Lp(a), alongside your standard cholesterol.
Finds heart risk a standard panel can missMetabolic markers
Fasting insulin, HbA1c and glucose trends.
Spots insulin resistance years before diabetesInflammation markers
High sensitivity CRP and related markers.
Shows hidden inflammation that affects heart healthVO2 max testing
Cardio fitness measured on a treadmill or bike.
One of the strongest markers of healthy agingDEXA body composition
Muscle, visceral fat and bone density.
Weight alone tells you very littleStrength and mobility
Grip strength, balance and movement screens.
Strength protects independence later in lifeSleep assessment
Sleep quality reviewed, with a home study if needed.
Poor sleep quietly raises many risksCoronary calcium score
Coordinated with a trusted imaging center.
Included with the Executive planFrom baseline to a plan you can feel.
A deep baseline
Labs, VO2 max, DEXA and a two hour visit covering your history, family risks, sleep, stress and goals.
Your results, explained
A 90 minute review of every result. You leave knowing what matters, what doesn't and why.
Your 12 month plan
Clear priorities for movement, strength, nutrition and sleep, plus any medical treatment you agree on together.
Progress check ins
45 minute reviews to adjust the plan, recheck key markers and keep things realistic.
Retest and reset
We repeat the key tests, compare against your baseline and set the next year's focus.
Longevity is a good fit if...
You feel fine and want to keep it that way
No symptoms, but you'd rather know your risks now than find out later.
Heart disease or diabetes runs in your family
You want to understand your own risk and act on it early.
You're over 40 and want a real baseline
Muscle, fitness and metabolism change with age. Measure them while it's easy to improve.
$650 a month, or $7,020 a year
Includes everything in Essential. Advanced testing included, with no surprise bills.
Is it real science or expensive hype?
A fair question. Here's how we think about it.
Is longevity testing covered by insurance?
Some standard labs may be billed to your insurance. Advanced testing such as VO2 max and DEXA is included in your Longevity membership at no extra cost to you.
Do I need to be fit already?
Not at all. Many members start with a low fitness score. The point of testing is to know your starting line and improve from there, at a pace that suits your life.
Will you prescribe medication?
Only when the evidence supports it, and only after a full conversation about the benefits, the risks and the alternatives. Most plans start with sleep, movement, nutrition and strength.
How is this different from a longevity clinic?
Many longevity clinics are built around products: IV drips, supplements or expensive scans. Merivane is a medical practice first. The same doctor who reads your tests is the one who answers your call at 9 pm.
Know your numbers. Then make a plan.
Start with a complimentary meet and greet. Dr. Calloway will tell you honestly whether the Longevity plan makes sense for you.
Who would the membership be for?
For me For a parent or family member For me and my partner Takes about two minutes. We confirm within one business day.