
Chief Medical Officer
Dr. Ajit Mehta
Board-certified physician in longevity and precision diagnostics. Reviews every founding member protocol.
Your personalized longevity plan starts here
Guided longevity, physician-backed
Eterna helps active adults understand their recovery, performance, and optimization options through assessment, clinical review, and coach-supported guidance.
Eterna explained
Your Biology. Your Blueprint.
Elite coaching and a longevity plan built around your biology, without the concierge price tag.
Piece it together yourself
With Eterna
A specialist intake to start, then a membership with elite coaching, a personalized plan, and preferred pricing on clinician-prescribed therapies when appropriate.
Partner labs · Quest Diagnostics, LabCorp
The basics, fully explained
Pick a term below to read the full definition.
Your coach builds the protocol from your biomarkers. Your physician reviews and signs off, and peptides only enter when they decide they should. One loop, not four products.
What is a
Your body's measurable signals.
In plain English
Instead of guessing how you feel, we look at measurable data from labs and health markers.
Real example
“ApoB high. Vitamin D low. Testosterone trending down.”
Why it matters
This shows your coach what needs attention before building your protocol.
How they work together
Test biomarkers
Quarterly labs surface what needs attention.
Coach builds your protocol
Your coach builds a personalized plan from your labs and goals; a US-licensed physician reviews and signs off, with peptides when clinically appropriate.
Coach keeps you on it
Weekly check-ins turn plan into habits.
Re-test and adjust
Numbers update. Plan updates. Repeat every 90 days.
That's the membership, not four things you buy separately. One loop: your coach builds your plan from your biomarkers, a physician reviews and signs off, your coach helps you execute, and we re-test every 90 days to refine.
You don't need to be a longevity expert to start. Most members aren't. The membership exists because this is hard to figure out alone. Having a coach who builds your plan and follows through, and a physician who reviews and signs off, both working from the same labs, makes it simple.
How it works
One simple loop, run with your doctor and coach. You'll see results within 90 days because we change the plan when the numbers change.
Your annual physical checks about 14 markers. Membership starts with 48+ core markers every quarter: hormones, heart, metabolism, vitamins, inflammation. Your physician can expand testing up to 120+ based on your genetics, body composition, and clinical goals, with advanced panels and protocol follow-up labs when clinically appropriate. At-home blood draw or a clinic near you. Results explained in plain English by a longevity physician.
Lab results
James, 42 · Q1 panel
ApoB
OptimalHow much cholesterol is actually in your blood
0mg/dL
↓ 14% since last test
HbA1c
In rangeAverage blood sugar over the last 3 months
0.0%
Free testosterone
WatchHormone that drives energy, muscle, and drive
0.0pg/mL
↑ trending up, re-test in 90 days
Dr. A. Mehta: ApoB looks great. Let's nudge T over the next 90 days. Signed off on the two changes your coach made to your protocol.
Not a generic wellness PDF. A personalized protocol: what to eat, when to train, which supplements to take, and when your labs support it, clinician-prescribed therapies. Your coach builds it from your labs and goals; a licensed physician reviews it, signs off, and handles any prescriptions. Message your coach anytime.
Your 90-day protocol
Week 4 of 13 · on track
Nutrition
Mediterranean base · 1.2g/lb protein
Daily · until next retest
Training
Zone-2 cardio 3× / heavy lifting 3×
~5 hrs / week
Supplement
Vitamin D3 5,000 IU + K2 100 mcg
Daily · with breakfast
Prescription
Low-dose statin (10 mg)
90-day trial · doctor-monitored
The point isn't a one-time score. It's improvement you can see. We retest every 3 months so you and your doctor can watch the trend, drop what isn't working, and double down on what is.
Cardio risk · ApoB trend
71 mg/dL ↓ 17% in 9 months
Bio-age delta
−1.4 yrs
HbA1c
5.4%
In range
Sleep · deep
1h 42m
Apple Health
What we look for
One Eterna panel screens for risk across 29+ common conditions. A blood test alone is not a diagnosis, but you will know what to look at next.
Heart & metabolism
19 core · 31 totalHormones
14 core · 21 totalEnergy, sleep, mood
6 core · 16 totalNutrient & vitamin
4 core · 14 totalInflammation & immunity
8 core · 20 totalCore included, expand when needed
Every membership includes 48+ core markers each quarter. Your physician can expand testing up to 120+ based on your genetics, goals, and protocol.
The clinical team
Your coach builds your protocol; a US-licensed physician reviews and signs off. Coaches do not prescribe. Nothing about your plan is automated by an algorithm.
Meet the full team
Chief Medical Officer
Board-certified physician in longevity and precision diagnostics. Reviews every founding member protocol.

Director of Health Optimization
Leads coaching. Builds your protocol from your labs and goals, then turns it into the day-to-day changes that move your numbers.
The membership
A personalized health and longevity membership built around your biology.
When your labs call for it, your plan can include hormone optimization and other clinician-prescribed therapies, selected from your data by a licensed physician.
Membership unlocks preferred pricing on hormone optimization, metabolic support, and other therapies your physician may prescribe when clinically appropriate.
Choose your goalStart today
Choose the goal that matters most and get your personalized starting point in a few minutes.