LUMEN Metabolism Tracker

The Lumen device uses a CO2 sensor and flow meter to determine the carbon dioxide concentration in your breath, which indicates whether your body is burning fat or carbs. This measurement builds a daily nutritional plan. Includes: Lumen device Travel case Charging dock and USB-C cable Detailed user guide Original box and user guide In perfect condition. Helped me lose weight and understand how I metabolize different foods. Ready to pass it on. **Can be used with or without a Lumen subscription. More info on the Lumen website if you’re interested! Paid 327.00 Canadian