The world's first real-time metabolic reader.

Optimise workouts

Improve nutrition

Lose weight

"Lumen gives users a tailored daily recommended diet based on its analysis of their breath."

“The Lumen metabolism tracker is like having a nutritionist in your pocket.”

“It was refreshing to get straightforward information on how my body was working and reacting to the food I was ingesting.”

“I came away from Lumen impressed with it as a tool for figuring out what's actually going on with my metabolism.”

“I have a better grasp of how my eating habits impact my training and efforts to lose weight.”

“Lumen offers specific daily guidance for carb consumption and suggests food items, putting your fitness goals in closer reach.”

"Lumen gives users a tailored daily recommended diet based on its analysis of their breath."

“The Lumen metabolism tracker is like having a nutritionist in your pocket.”

“It was refreshing to get straightforward information on how my body was working and reacting to the food I was ingesting.”

“I came away from Lumen impressed with it as a tool for figuring out what's actually going on with my metabolism.”

“I have a better grasp of how my eating habits impact my training and efforts to lose weight.”

“Lumen offers specific daily guidance for carb consumption and suggests food items, putting your fitness goals in closer reach.”

"Lumen gives users a tailored daily recommended diet based on its analysis of their breath."

“The Lumen metabolism tracker is like having a nutritionist in your pocket.”

“It was refreshing to get straightforward information on how my body was working and reacting to the food I was ingesting.”

“I came away from Lumen impressed with it as a tool for figuring out what's actually going on with my metabolism.”

“I have a better grasp of how my eating habits impact my training and efforts to lose weight.”

“Lumen offers specific daily guidance for carb consumption and suggests food items, putting your fitness goals in closer reach.”

Unlock a healthier you

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Improve nutrition

Lumen knows whether you are burning fats or carbs throughout the day. Helping your body to fuel up with the right energy, at the right time.

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Optimise workouts

Use Lumen before exercise to manage fuel and energy.  Use after to aid recovery and to track your fitness.

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Meet your health goals

Lumen helps you build a flexible, healthier metabolism. Improving fitness, nutrition, sleep and your body’s ability to fight off diseases.

It starts with a breath

Breathe and learn

Analyse your body’s fuel sources and metabolism in a single breath
with Lumen’s innovative sensors and flow metre technology.

Calibrated to you

Lumen adapts to your unique CO2 range and lung capacity.
Ensuring measurements and data are highly accurate and bespoke to you.

Personalised results

Receive real-time results and daily personalised plans for improved metabolic health, diet, sleep, fitness and more.

Lumen stories

Chris Froome

4-time Tour de France winner
2-time Olympic medalist

Jessie Graff

American Ninja Warrior and Professional Stuntwoman

Michael Andrew

Team USA, World Champion Swimmer

Chris Froome

4-time Tour de France winner
2-time Olympic medalist

Jessie Graff

American Ninja Warrior and Professional Stuntwoman

Michael Andrew

Team USA, World Champion Swimmer