Lumen

About Lumen: Your metabolic health, in your hands. Understand your unique metabolism, promote fat burn, lose weight, and boost energy naturally.

Once available only to top athletes in clinics, Lumen makes lab-level metabolic testing accessible. It’s the first-ever portable device validated to measure metabolism by tracking the CO₂ concentration in your breath.

Lumen reveals your body’s fuel source, guiding you toward optimal metabolic health, so you can manage your weight, increase your energy, and discover a healthier you.