Lumen
Lumen is a handheld device and app that measures metabolism through breath analysis to determine if the body is burning fat or carbs. It provides personalized meal plans, carb recommendations, and lifestyle insights to improve metabolic flexibility and support weight loss and overall health.

What is Lumen?
Lumen is a metabolic health tool consisting of a handheld device and a companion app. The device measures metabolism by analyzing breath CO2 levels, and the app delivers personalized nutrition and lifestyle recommendations to enhance metabolic flexibility and achieve health goals. **Use cases**: Lose weight sustainably, Improve metabolic flexibility, Boost energy levels, Optimize workout performance, Support healthy aging, Manage nutrition with data **Key features**: Measure metabolism via breath analysis; Get personalized meal plans; Receive carb recommendations; Log meals with AI; Sync with Apple Health and Google Fit; View real-time metabolic data; Access lifestyle insights; Track metabolic flexibility score **Who it's for**: Adults seeking to improve metabolic health, manage weight, and enhance overall wellness through personalized nutrition and lifestyle insights. **Credibility**: founder Merav and Michal Mor; press: 9to5Mac
Lumen is a metabolic health tool consisting of a handheld device and a companion app. The device measures metabolism by analyzing breath CO2 levels, and the app delivers personalized nutrition and lifestyle recommendations to enhance metabolic flexibility and achieve health goals.
Key features
- metabolism tracking
- breath analysis
- personalized nutrition
- AI food logging
- health app sync
- metabolic flexibility
- weight loss
- carb timing
- Measure metabolism via breath analysis
- Get personalized meal plans
- Receive carb recommendations
- Log meals with AI
- Sync with Apple Health and Google Fit
- View real-time metabolic data
- Access lifestyle insights
- Track metabolic flexibility score
Use cases
- Lose weight sustainably
- Improve metabolic flexibility
- Boost energy levels
- Optimize workout performance
- Support healthy aging
- Manage nutrition with data
Who is it for
- Adults seeking to improve metabolic health
- manage weight
- enhance overall wellness through personalized nutrition
- lifestyle insights.
