Horvath
The first multi-tissue epigenetic clock.
Biological age
A clear view of how you age.
A few drops of blood, analysed with published epigenetic clocks. Your report estimates your biological age and your pace of aging.
Launching in Germany, the Netherlands and Belgium. Results usually within 4 weeks after your sample arrives at the lab.
Biological age · estimate
years
Chronological age: 42 years
Biological ageChronological age
Pace of aging (DunedinPACE)0.94
Built on published scienceHorvath 2013PhenoAge 2018GrimAge 2019DunedinPACE 2022Illumina EPIC arrayHosted in the EU
Biological age
Your age in years is only one number.
DNA methylation shows how your body is aging at a molecular level. zeitlens turns it into a clear estimate you can follow over time.
900,000+DNA methylation sites measured per sample
4published epigenetic clocks in every report
~4 weeksusually, from sample arrival to report
100%of your data hosted in the EU
Your report
What you see in your report
Not one number in isolation, but a set of estimates with the context to read them.
Biological age estimates
Estimates from four published epigenetic clocks, shown next to your age in years. Each clock was built differently, so we show them side by side.
Pace of aging
DunedinPACE estimates how fast you are aging biologically right now, expressed as years of biological aging per calendar year.
Context and limits
What each clock measures, how much a value can vary between measurements, and what the report can and cannot tell you.
Biological age · estimate
years
Chronological age: 42 years
Biological ageChronological age
Pace of aging (DunedinPACE)0.94
The science
Built on published research
Epigenetic clocks read chemical marks on your DNA, called methylation, that change in characteristic ways as we age. We use clocks that are published in peer-reviewed journals and widely used in aging research.
PhenoAge
Developed using a composite of clinical blood markers.
GrimAge
Combines methylation-based estimates of plasma proteins and smoking history.
DunedinPACE
Estimates the current pace of biological aging.
Your data
Private by design
01
Stored in the EU
All data is hosted in the EU. Nothing is transferred outside the EU.
02
Pseudonymised samples
The lab only sees a sample ID. Your name and your lab data are linked through a separately stored key.
03
Never for marketing
Your results are never used for marketing. Research use only with your separate, optional consent.
04
Your rights
You can access your data, withdraw your consent and have your data deleted at any time.
Coming soon
Join the waitlist
zeitlens launches soon in Germany, the Netherlands and Belgium. Leave your WhatsApp number or email and we will let you know when you can order, in your language.
What is biological age?
Biological age is an estimate of how old your body seems at a molecular level, as opposed to your age in years (your chronological age). zeitlens estimates it from DNA methylation: chemical marks on your DNA that change in characteristic ways as we age.
Is this a medical test?
No. zeitlens is a wellness service and not a medical device. The test is not intended to detect, predict, monitor or treat any disease. If you have health concerns, please talk to your doctor.
How do I take the sample? Does it hurt?
You prick your fingertip with the lancet in the kit and let a small device soak up a few drops of blood. Most people feel a short pinch. The sample dries in minutes and you send it back by post.
How long until I get my results?
Usually within 4 weeks after your sample arrives at the lab. We let you know by email when your report is ready in your portal.
Where is my data stored?
All data is hosted in the EU and never transferred outside the EU. Your sample only carries an ID number; your name and your lab data are linked through a separately stored key.
zeitlens is a wellness service and not a medical device. The test is not intended to detect, predict, monitor or treat any disease.