What Is a VO₂ Max Test? | Institute for Human Optimization
Learn what a VO₂ max test measures, how it’s performed, and why it’s used in cardiovascular and longevity-focused care.
The Longevity Equation Journal
A physician-led exploration of the biological systems that shape aging, performance, and long-term resilience.
Grounded in clinical practice. Written by Anil Bajnath, MD, and the Institute for Human Optimization. New entries published periodically.
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Learn what a VO₂ max test measures, how it’s performed, and why it’s used in cardiovascular and longevity-focused care.

In this article, Dr. Anil Bajnath explores the science behind VO₂ max, why it reflects how efficiently your body produces and utilizes energy, and how declining aerobic capacity accelerates biological aging. Learn how VO₂ max is measured and how targeted performance medicine interventions can improve long-term healthspan.