
Personal longevity care
A healthy 100,
hand in hand.
Your own Guide calls every week. A physician team works in the background. And your Owner’s Manual turns your health into a plan you can live.
Your own health team—a personal Guide who calls every week, physicians in the background, and an Owner’s Manual for your body.
How it works
Understand more.
Carry less.
We gather the details, make sense of them, and stay beside you as life changes.
Test
Comprehensive labs, scheduled for you.
Understand
Your Owner’s Manual, explained in plain language.
Live it together
Your Guide, every week, plus your local life.

Meet your Guide
One person who knows the whole story.
“My job is to make the complicated feel clear—and make sure you never carry it alone.”
Marie Chen, RN
Retired cardiac nurse · 31 years
Your Owner’s Manual
The clearest picture of your health you’ve ever had.
A living, beautifully explained guide to how you work—what matters, what to do next, and why.
- Plain-language chapters built around you
- Updates after every meaningful change
- Questions carried into your weekly call
The Owner’s Manual
Eleanor Oxford
Living edition · August 2026EAT
Food that works with your body.
One thoughtful membership
Your health, held together.
Personal membership
$495/monthplus one-time onboarding- Weekly call with your Century Guide
- Comprehensive testing and clinical review
- Your living Owner’s Manual
- Local, human-verified experiences
- Secure access to your care team
Itemized receipts and annual activity documents are available in the member app. Eligibility varies by service and plan.
Physicians in the background
Clinical depth when the moment calls for it.
Private by design
Your health information is never sold.
People first
No chatbots pretending to be your care team.
A conversation is the first step