90-second estimate · Free
What does your body actually read?
Eight inputs. The starting line, not the diagnosis.
1 / 8
What year were you born?
We use this as the chronological baseline.
Biological sex at birth
Affects baseline aging trajectory.
Average sleep, per night, over the last 3 months.
Repair happens in deep sleep.
Structured exercise, per week.
VO2max is the most predictive lifespan biomarker.
Which best describes how you eat, most weeks?
One of the largest single levers on inflammation.
Subjective stress, last 90 days.
Cortisol erodes nearly every biomarker.
Alcohol and tobacco.
Both leave durable signatures on epigenetic clocks.
Family longevity baseline.
Your inherited substrate.
Your estimate
The number your body is actually reading.
Chronological
52
years on the passport
Estimated biological
52
years in the body
0 yr