17H reads the data your sports watch collects every day — HRV, recovery, VO2max, sleep — and turns it into a readable picture of your biological aging, with concrete guidance on what to do about it.
Your device exports charts, scores and trends — but turning them into concrete decisions about your long-term health remains a job no app truly does. The result: months of collected data, zero actions taken.
We connect your training data to recognized aging indicators, paired with targeted recommendations — including supplements chosen for your profile, not generic ones.
17H syncs with the device you already wear. Not a new sensor to buy — just a better reading of what you already have.
Connect your Garmin account in one click. 17H automatically reads your workouts, sleep and recovery metrics from the past months.
Garmin Connect → 17HA model translates your metrics into biological aging indicators, highlighting where the trend drifts from your age group.
HRV trend −12% / 90dGet specific recommendations — training load, recovery, targeted supplementation — built for your profile, not the average user.
3 priority actionsA simplified preview of the 17H rule engine — enter (or upload) a few metrics from your Garmin and get a plain-language read on what they suggest about your longevity, plus general ideas worth discussing with a doctor.
CSV parsing here is best-effort and experimental — column names vary by export type, so manual entry above is the reliable path for this preview.
This runs entirely in your browser. Nothing is uploaded or stored anywhere.
A form commonly explored for sleep quality and stress recovery.
Often discussed alongside cardiovascular and mitochondrial health.
One of the most common gaps in adults with limited sun exposure.
Widely researched for muscle and cognitive support in active adults.
People who've accumulated years of training data and want to understand its real impact on their longevity, not just their next race.
People with limited time who want prevention based on real data and clear decisions, not generic magazine advice.
People who already track everything and finally want a system that connects the numbers to concrete, personalized recommendations.
We're building the first version with a small group of users. Leave your email: no spam, just an invite when we're ready.