Unlock your fitness potential

Know how effective and efficient your exercise is by being the first ever to measure nitric oxide in the body.

NNOXX measures the key indicators of blood flow, oxygen delivery, and overall fitness.

Trusted by NFL, NBA, NHL, MLB, and Olympic teams, as well as CrossFit Games athletes and UFC fighters.


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Exercise is good. Effective and efficient exercise is better. NNOXX unlocks better.

NNOXX is the first platform that gives the holistic picture inside your working muscles with real-time measurements of exercise effectiveness and efficiency. No more guessing about how long or how much exercise is needed. NNOXX gives clarity into every workout, every time.

The most advanced tool for increasing exercise effectiveness and efficiency - available today.

NNOXX achieves this with real-time muscle oxygenation and nitric oxide monitoring.


Learn how effective and efficient your workouts are. No more guessing.

Guide your pacing in real-time to minimize fatigue and maximize performance.

Track improvements in your fitness and physiology without going to a lab.

Identify what may be limiting your performance and train to overcome it.

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Meet NNOXX One

  • Wearable device with AI powered mobile app
  • Measure muscle oxygenation and nitric oxide levels in real-time.
  • Perform unguided workouts and receive feedback on exercise effectiveness and efficiency OR receive a personalized workout in real-time with our AI coach. 

Get More with NNOXX One Elite

  • All the same features as NNOXX One, with additional access to the High Performance Platform - a web based performance analytics tools.

How does NNOXX work?

Using patent pending biosensors, NNOXX One shines tissue-penetrating light into the body and measures the amount of oxygen and nitric oxide.

The NNOXX One app takes the information, displays it in real-time, and uses it to determine how effective and efficient your workout is.

The app can also provide instructions for increasing nitric oxide levels while you're exercising.

The experts love it.

Next Level Understanding
I'm constantly tinkering with my training and trying to learn the best possible ways to maximize my potential as a human. With that said, having a basic understanding of what training protocols elicit what training adaptations is a start. NNOXX takes this understanding to another level. We now can learn exactly what is going on under the hood and it's incredibly valuable in my line of work.
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Will Moorad
Professional Crossfit Athlete
Direct Insights
What sets NNOXX apart is its data-driven approach to performance, the product collects and analyzes my muscle oxygenation and nitric oxide during a workout, providing direct insights into my progress over time. This not only motivates me to push harder but also ensures I’m consistently scaling and adjusting my workouts to hit the planned stimulus to promote maximal adaptation.
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Braxton DeCamp
Crossfit HQ
Athlete Performance
This non-invasive wearable gives us the opportunity to measure nitric oxide concentrations in our athletes, which, in turn, can give us data and recommendations on programming our training to improve our athlete's performance based on their individual performance markers.
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Phil Daru
UFC Coach

Get NNOXX today.

$299 for device + subscription options

Get NNOXX One today.

Starting at $39 per month with no device fee.

Be among the first to discover the new standard: nitric oxide measurement with the NNOXX One wearable and platform.

Be among the first to discover the new standard: nitric oxide measurement

with the NNOXX One wearable and platform.

Legal notices

  • NNOXX Wearable is not a medical device and is not intended to diagnose or monitor any disease or medical condition.
  • Please consult a doctor before using NNOXX if you have any medical conditions.
  • These statements have not been evaluated by the FDA.

Legal notices

  • NNOXX Wearable is not a medical device and is not intended to diagnose or monitor any disease or medical condition.
  • Please consult a doctor before using NNOXX if you have any medical conditions.
  • These statements have not been evaluated by the FDA.