Kenju analyses your biometrics, tracks your biological age and builds personalised training and nutrition plans — powered by AI, aimed at helping you reach 100 in full form.
What Kenju does
Connect your Garmin, import your data and let Kenju build a complete longevity picture — from sleep to strength.
AI estimates your true biological age from HRV, VO2 max, sleep quality, resting heart rate and stress. See how fast you're really ageing.
Personalised weekly strength and HIIT programmes with exact sets, reps and rest periods — adapted to your fitness level and recovery metrics.
7-day meal plans with full macros per meal, tailored to your intolerances, fasting protocol and training days. Shopping list included.
A single Longevity Score (0–100) computed daily from all your biometrics. Track your trend over time and understand what moves the needle.
Deep sleep, REM, HRV and Body Battery analysed together to give you a clear picture of how well your body is recovering each night.
Import your Garmin data with one click or connect automatically via API. All your health metrics flow into Kenju without manual effort.
Longevity Score · Demo
Each metric weighted by its real impact on longevity. The score evolves with you every day.
Based on VO2 max, sleep, resting HR, activity, stress and HRV
* The % indicates each metric's weight in the Longevity Score, based on scientific evidence.
Demo data · Does not represent any real user
"Not simply to live long —
but to arrive at 100
whole."
The Kenju philosophy · 健寿
Join Kenju and start building the habits that will keep you strong, sharp and thriving — for decades to come.