You’ve been to the gym. You have tried to cut out carbs. Heck you even switched to that lite beer and still you can’t get a grip on the ole gut. Well, like many of us, we thought we tried everything until we learned we have been ignoring one key thing: Our metabolism. Lumen helps with not only losing the ole tire around the belly, but it is the world’s first hand-held, portable device to accurately measure metabolism.