Lumen is a device and app that measures your metabolism in a single breath and provides daily personalized nutrition based on your metabolic data. Through the device and app, you can achieve your fitness goals whether they be weight loss, performance optimization, or simply improving your metabolic health. As a company, we are a team of scientists, researchers, engineers and designers aimed at improving the way people understand their metabolism. We believe that a healthy metabolism is the key to better health, and that everyone can attain it with a little help from Lumen.Inaccurate data? Flag it here.