This Device Measures Your Metabolism in a Single Breath

Struggling to reach your health goals? You're not alone. Most plans ignore your body's unique needs. Lumen is different. Their handheld metabolic coach personalizes your entire health journey based on real-time data about how your body burns fuel for energy. It's like having a personal trainer for your metabolism, all in one device. Enjoy $100 off sitewide plus an extra 15% off, exclusive to readers of iPhone Life.