Free health tools
Quick, private, and free — each runs on your device and gives you something to act on. No account needed.
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Energy Resistance Check
Read your insulin-resistance markers (the metabolic root of type 2 diabetes) from your labs — with what to do about it.
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Biological Age Estimator
See how your habits tilt your biological age up or down — and the biggest levers to turn back the clock.
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Protein & Calorie Calculator
Your daily calorie and protein targets for fat loss, maintenance, or muscle — from proven equations.
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Want the full picture?
Methuselah, your AI longevity coach, turns your goals, labs, and habits into a personalized protocol — and checks in to keep you on track.
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