🎁

Holiday Gifts

Shop top discounts for yourself or a loved one.

Explore Deals
Lumen

Lumen

Activate up to $5.00 Cash Back

The world’s first device and app that tells you if you’re burning carbs or fats in real-time through the breath, in less than one minute. Once available only to top athletes, in hospitals and clinics, metabolic testing is now available to everyone, anywhere.

Restrictions

Use of coupons and promotional codes not on ID.me may void cash back. Some restrictions may apply.

All Offers

About Lumen

The world’s first device and app that tells you if you’re burning carbs or fats in real-time through the breath, in less than one minute. Once available only to top athletes, in hospitals and clinics, metabolic testing is now available to everyone, anywhere.

Other Members Also Liked

Lumen Frequently Asked Questions