VO₂ Max Testing

A medical test that measures the maximum amount of oxygen your body can use during exercise, considered the gold standard for cardiovascular fitness assessment.

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Peter Attia uses

"What we plug on here is their VO₂ max. So this might be a 50-year-old with a VO₂ max of 40, which I think is going to place them at about the 75th percentile."

Why Higher VO₂ Max is Important | Peter Attia · ▶ 0:29 · Jan 2026

"For our patients, we actually do the test. We got sort of tired of relying on other labs to do it."

A guide to cardiorespiratory training at any fitness leve... · Jan 2026