WearablesMetabolic Device
Lumen
Handheld metabolic breath device with an AI app that personalizes nutrition for metabolic flexibility
By the BestAIforLongevity Editorial Team · Updated · How we rate
8
Very Good
Try Lumen →From ~$249 + plan · Device + subscription
Is Lumen worth it?
Quick answer
Lumen scores 8/10. Those who want daily metabolic feedback to guide what and when they eat. Pricing starts at From ~$249 + plan (device + subscription). You can sign up directly without going through a sales team.
Tier
AI Wearables & Continuous Tracking
Category
Metabolic Device
Pricing model
Device + subscription
Starting price
From ~$249 + plan
Deployment
Device + cloud app
Self-serve signup
Yes
Target buyer
People focused on metabolic health and personalized nutrition
Lumen pricing
Device ~$249 plus a membership for AI guidance; measures whether you burn fat or carbs from a breath sample.
Key capabilities
- ◆Breath-based metabolism reading
- ◆Fat vs carb burn insight
- ◆AI nutrition guidance
- ◆Daily check-ins
What we like
- +Unique metabolic-flexibility metric
- +Actionable nutrition nudges
- +Simple daily routine
- +Backed by published research
What to watch
- −Single-metric focus
- −Membership for full value
- −Requires consistent use
Ready to try Lumen?
Those who want daily metabolic feedback to guide what and when they eat.
Try Lumen →