Why it matters
VO₂max is one of the strongest single predictors of all-cause mortality. It is trainable at any age.
Start today
150–180 minutes of zone-2 movement a week, plus one hard interval session; the first 15 minutes without audio.
How we measure it
VO₂max testresting heart ratezone-2 capacity
Measured in the Medicine 3.0 baseline and re-tested once the protocol has run.
The body it belongs to
The physical foundation — the body you build everything else on.
The other Earth points
01 · Cellular hydration
02 · Gut microbiome diversity
04 · Strength
05 · Deep sleep
One point is a practice. Twenty-one is a protocol.
Open the tracker, score yourself honestly, and bring the number to the initial consultation.