Product Highlights
- Metabolism tracker
- Measures CO2 from breath
- Determines if body is using fats or carbs
- Small, hand-held device
- Long battery life
In-Depth Review
Lumen Review 2026: A Metabolism Tracker That Works?
Author: Caroline Lubinsky, CF-L1Pros & Cons
Pros
- Makes me more mindful of what I’m eating
- Portable and easy to take places
- High-quality hardware
- Sleek packaging and aesthetically pleasing
Cons
- Expensive; almost $250 for 6 months of use
- Cannot be used without the subscription service
- Integrations are limited
Specs
| Dimensions | 102mm x 41.4mm x 33.3mm |
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Product Summary
All in all, I think the Lumen could really work for specific people to be more conscious about what they’re putting into their bodies.
