What is Lumen?

Answer

About Lumen

Lumen is the world's first hand-held metabolism tracker.

The world's first hand-held metabolism tracker. Lumen is a breath-analysis device that reveals whether your body is burning carbs or fat — and tailors nutrition guidance accordingly.

Source

This answer is drawn from the Lumen listing on Startup Spotlight, last updated May 20, 2026. For the full profile, see the Lumen listing.

Other questions about Lumen

• Who founded Lumen?

  Lumen was founded by Daniel Tal.

• When was Lumen launched?

  Lumen launched in 2014.