November 2026 · checked November 7, 2026
Lumen promo codes & deals
32 live offers, 30 codes, best code 75% off.
Before you shop at Lumen
About Lumen
About Lumen
Lumen can help you hack your metabolism with its unique product that’s the first portable device that can measure your metabolism by tracking the CO2 in your breath.
When you use this device, you can better understand your unique metabolism, lose weight and boost your energy naturally so that you feel healthier.
Shipping
What is Lumen's shipping and delivery policy?
When you purchase the Lumen device, you’ll receive free U.S. shipping.
Returns
What is Lumen's return and refund policy?
You can return your unopened Lumen device within 30 days.
Cancellations
What is Lumen's cancellation policy?
Lumen allows you to cancel your membership at any time and the change will go into effect at the next billing cycle.
Questions shoppers ask about Lumen
What does Lumen sell?
Lumen sells the first portable device that can measure your metabolism by tracking your breath’s CO2 concentration.
Does Lumen have a warranty?
Lumen comes with a one-year warranty against manufacturing defects.
Can I still use my Lumen device if I cancel my membership?
Yes, but you will not have access to the special features that are part of the Lumen membership experience.