Stop guessing what your body needs. See when you're burning carbs or fat and get daily guidance to support sustainable weight loss.

Improve your metabolic health with the Lumen device, a gold-standard metabolism tracker for personalized nutrition and wellness insights

Lumen helps you improve your body’s ability to burn fat & Increase your energy levels by enhancing your metabolic health.

No more guesswork. One breath reveals exactly what your body needs, so you can lose weight and actually keep it off.

Lumen is your personal weight loss coach. Measure your breath in 20 seconds to see if you’re burning carbs or fats for energy. Instantly get a customized daily plan based on your results to boost your fat …

Lumen began with twin sisters Merav and Michal - two Ironman winners, and PhDs in physiology. As scientists and athletes, they were passionate about developing a way to provide personalized …

A more flexible metabolism makes it easier to lose weight, with Lumen you'll train your body to switch more easily from burning carbs to fat. Many users find this helps them with weight loss. Additionally if …

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Get help with your Lumen metabolism tracker. Explore how-to guides, FAQs, and troubleshooting tips - or contact our support team for personalized assistance.

Yes, for Lumen devices purchased starting July 30th, 2023, after the cancellation comes into effect you’ll still be able to take unlimited metabolic measurements and get your Lumen level. However, you …