Feb 15

VO2 Max up 28% at 11 weeks

TomButlerHeadshot-VO2MaxTom Butler completed his 4th VO2 max test after training fifteen minutes a day for 11 weeks. His results show relative VO2 Max and METs increases of over 28%.

For non-tekkies — This is a big deal because the experts say maximum gains for VO2 Max is 15-20%. Tom achieved this in under 20 hours of actual training with Extreme O2.

Here is the data:



  1. jamie maxtone-graham

    thanks tom,
    looking forward to my extreme O2 equipment….

  2. jamie maxtone-graham

    thanks tom

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