If you like to use your iOS or Android mobile, or Apple Watch as part of your health and fitness journey, you might value all the data they can offer. While that can include ways to track calories burned and consumed there hasn’t been an easy way to do metabolic testing at home outside of expensive tests at clinics. Now a breakthrough handheld device called Lumen is making metabolic testing available to anyone and lets you know how to achieve optimal athletic performance, lose weight, build lean muscle, and more with a personalized nutrition plan. Better yet, Lumen has a great iOS app with Apple Health integration.

So in this article, we’ll see what’s Lumen and review it which can help you decide if you should buy or not.