Shop
Purple squares background Purple squares background

Pinpoint your perfect fasting window

Lumen transforms intermittent fasting into a tailored, science-driven journey that maximizes results.

Get Lumen Take our quiz
Apple Icon
Stars
4.6 on Apple Store
Google Play Icon
Stars
4.5 on Google Play
Trustpilot Icon
Stars
4.4 on Trustpilot
Iphone background
Scroll to discover

How does Lumen work?

Lumen analyzes your breath to reveal whether you’re burning fats or carbs, so you can optimize fat burn and prevent muscle breakdown due to overfasting.

Perfect for fasting experts and beginners alike

With Lumen, fasting becomes a personalized strategy in real-time, helping you optimize fat burn according to your body’s unique needs.

Data Data balanced diet plan for weight loss balanced diet for weight loss

Long-term benefits

Train your mitochondria to switch between fat and carb burn to improve your metabolic flexibility.

    Cutlery

    Increase your energy levels

    Man working out

    Boost workout performance

    Wind

    Make weight management easy

Peer-reviewed papers published in medical journals Clinical trials show improved health markers Lumen clinical research Lumen clinical studie

Backed by science and trusted by researchers

Lumen is the choice of leading research institutes and medical clinics globally for its innovative approach to metabolic analysis and research.

    Scientifically validated

    Lightning

    Peer-reviewed papers published in medical journals

    Clinical trials show improved health markers

Lumen metabolism tracker Lumen metabolic tracker

Fasting is personal, Lumen makes it precise. Start your journey today.

Get Lumen

What the experts are saying

Lumen is trusted by leading health and metabolism experts.

Lumen in the press

Connect, learn, & grow

Join our Lumen Community and connect with fellow Lumeners, share experiences, and deepen your knowledge about your body every day.

Transforming lives, one breath at a time

Trustpilot
Trustpilot

65M metabolic measurements and counting

Daily nutrition and lifestyle guidance, backed by the biggest metabolic database on the planet.

Get Lumen
Map Map