Use the adjustable five-point headgear with user-friendly velcro tabs to ensure a leak-free seal with uncompromising quality and comfort.
Get Started with Portable Metabolic Testing!
Experience the excitement of portable metabolic testing with the VO2 Master. Delivering lab-quality accuracy in a lightweight, wireless design, it empowers fitness professionals, athletes, and researchers to assess performance and optimize training anytime, anywhere.
Everything You Need To Test Multiple Times Daily!
Unlock the full potential of metabolic testing with the VO2 Master Professional Kit. Built for high-frequency, diverse testing environments, this kit offers lab-quality accuracy in a portable, wireless design, empowering fitness professionals, researchers, and athletes to achieve peak performance with unmatched versatility.
1-year warranty
30-day risk-free trial
Free returns
No tariffs

Most Affordable
The Essentials Kit is perfect for getting you started with metabolic testing. Designed for low-test frequency use cases, it provides the core tools needed to ease into testing, keeping it accessible and budget-friendly.

Best Value
The Professional Kit is ideal for high-frequency testing environments. It includes everything you need to hit the ground running. Multiple masks and accessories let you switch users quickly while seamlessly accommodating a wide range of individuals.
Use the adjustable five-point headgear with user-friendly velcro tabs to ensure a leak-free seal with uncompromising quality and comfort.
VO2 Master Analyzer Kit Contents:
Experience our product risk-free for 30 days—we’re confident you’ll love it and won’t want to send it back.
We’re committed to ensuring your order arrives quickly and efficiently, with delivery times ranging from 5-15 business days depending on your location. At checkout, you can choose the shipping method that best suits your needs, with rates calculated based on your destination and preferences.
VO2 Master ships worldwide. However, some regions face logistical barriers or import restrictions, and we currently do not ship to:
See the Return and Refund Policy for eligibility and more information.
Go beyond conventional training methods and excel into the new era of personal assessment and physiology to maximize your training results.


Our FREE easy-to-understand performance reports provide you with essential training zone metrics, VO2 Max, Heart Rate and RMR values, plus many others used in training optimization.
Achieve unparalleled portability by accessing live data through both the VO2 Master Manager app and the VO2 Master Garmin Data Field.

Users should use the medium user piece if their ventilation range is between 30-160 L/min. The large user piece is used in most cases by professional high-intensity athletes or users with a ventilation range 40-220 L/min
No, assessment reports are provided instantly at your request and are available for download FREE of charge.
Using our ‘Contact’ page, complete the form and select ‘Replacement Parts’ under the ‘Type of request’ drop down menu.
Yes, though you are only required to purchase additional consumables based on your frequency of use. All analyzers are required to be serviced annually at the owner’s expense.

Assemble the analyzer after selecting mask size and user piece then power up the device.

After connecting your analyzer to your mobile device, select your chosen protocol and complete the guided calibration procedures.

Comfortably apply the analyzer, using the provided 5-point head strap and start the assessment protocol.