
Resting Metabolic Testing
Take the guesswork out of nutritional planning.
Cardiovascular and metabolic snapshot.
Safely lose weight.
Mobile app is Free.

"Our lab had wanted a portable metabolic analyzer for a long time but never had the means to purchase one, until we came across VO2 Master. After roughly 75 tests, we're pretty pleased with the VO2 Master Pro's performance."
"Measuring Economy with VO2 Master enables me to select the fastest wetsuit for an athlete on an individual basis. My athletes can increase their swimming efficiency without increasing training volume."
VO2 Master Analyzer
Lab-grade accuracy Performance Testing (VO2 Max + Zones), Resting Metabolic Testing (RMR). Completely wearable - no backpacks or hoses.
iOS and Android App
The free app guides you through customizable performance testing protocols including step test, resting metabolic test, and more