Lumen
Metabolism tracking via breath
⭐ 4.2/5 (5000 reviews)
About Lumen
Lumen measures your metabolism via CO2 in your breath to determine if you're burning fat or carbs, providing personalized nutrition recommendations daily.
Key Features
- Metabolic measurement
- Daily nutrition plan
- Macro recommendations
- Pre-workout fuel check
- Metabolic flexibility score
- Trend tracking
✅ Pros
- Unique metabolic data
- Personalized nutrition
- Morning routine insight
- Tangible device
❌ Cons
- Expensive upfront
- Subscription on top
- Accuracy questioned by some
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