Use promo code: Bodyarch

Lumen is the world’s first hand-held, portable device to accurately measure metabolism. Once available only to top athletes, in hospitals and clinics, metabolic testing is now available to everyone

See how your metabolism is affected by your sleep, physical activity, and nutrition.

See if you have enough energy before a workout or if you need to fuel up. Breathe afterwards to see the impact on your body.

Lumen tracks your metabolism, sleep, nutrition, and fitness data to provide a Lumen Flex Score, which reflects your success and helps sustain results.