Lumen

2.5% Cash Back

Lumen Coupons, Discount Codes & Cash Back

About Lumen

Lumen is a health technology company that offers a handheld device to measure metabolism in real time using breath analysis. The product helps users optimize nutrition, fitness and lifestyle habits based on their metabolic data. Lumen was founded in 2014 and is headquartered in Tel Aviv, Israel.

Metabolism tracker device: Lumen’s compact breath analyzer measures carbon dioxide levels to determine whether the body is burning fats or carbs.
Nutrition guidance: Lumen offers personalized meal recommendations based on daily metabolic readings.
Fitness integration: The Lumen device syncs with activity trackers to provide real-time feedback on metabolic performance.
Mobile app subscription: A paid membership comes with daily insights, trends and coaching.

Holiday Deals

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Cash Back will be automatically added to your Rakuten account in a few days.

Here’s how it works

Choose your favorite store.

Start shopping with Rakuten. Over 3,500 stores pay us for sending them shoppers.

We’ll take you to their site. You shop.

Make a qualifying purchase and we’ll email you when Cash Back is added to your account.

Earn Cash Back. Cha-ching!

Get paid via PayPal or check as soon as 15 days of your first purchase. Then get paid quarterly.

Shopping Secrets

Sign up for the Lumen newsletter to receive $20 off your purchase along with the latest insights about metabolic health.

Use HSA or FSA funds to pay for your Lumen device and annual (or Duo) membership by selecting the HSA/FSA checkout option and confirming your eligibility.

Get a free 30‑day membership to the Lumen app, which includes full access to metabolic tracking features. After 30 days, the subscription costs $19 a month or $180 a year for continued access.

Cash Back Frequently Asked Questions

How does Lumen work and what will I learn from it?

Lumen measures metabolism via breath carbon dioxide and teaches metabolic flexibility, including diet and fasting guidance.

Is Lumen a good value?

Yes. Getting a measure of your metabolism could possibly cost $350 or more per test at a specialist’s office. Lumen puts the same technology in your own hands to get a reading when you want.

Can Lumen aid in weight loss?

Absolutely. The system is designed to help you optimize your metabolism for weight loss.

Is Lumen compatible with keto and other diets?

Lumen provides valuable insights for people on a keto diet, but the device’s readings may be unclear during ketosis.

Where can I get help or troubleshoot issues?

Visit Lumen’s help center to get detailed guides or contact customer support for individual help.