Lumen shows you exactly what to eat and when by tracking your metabolism in real time. You get clear, easy-to-follow directions that lead to natural weight loss.
Stop guessing at what your body needs. Find out and start losing weight faster with Lumen!
Your body is always burning either fat or carbs – but until now, you had no way of knowing which.
Lumen measures the CO₂ in your breath to instantly reveal what fuel your body is burning. More CO₂ means you’re burning carbs, while less means you’re burning fat.
This real-time personalized insight is the key to helping you finally make the right decisions in the moment – instead of guessing what to eat or when.
Lumen guides your body into fat-burning mode, where weight loss happens naturally.
When your metabolism starts working with you, not against you, everything changes!
Lumen has been proven effective at helping with all of this and more. In fact, a recent study found that Lumen users lose 3% of their body fat in just 12 weeks on average, with up to 12% of body weight lost in just 6 months!
This is what happens when your body works the way it’s supposed to.
We started small… but now we’re proud to be a household name for 350,000+ people!
And it’s not just customers who love the results they’re getting. Lumen is trusted by doctors, clinics, and health professionals around the world. Medical experts use Lumen to monitor patients, improve outcomes, and deliver more personalized care.
Lumen is even used in clinical settings by doctors and metabolic specialists to increase weight loss, improve metabolic health, and boost patient engagement.
Trusted by medical experts, proven in studies, and used daily by 350,000+ happy customers!
Easily sync Lumen with Apple Health, Garmin, Oura, Whoop, Strava, and more to turn your data into clear, actionable insights.
Get daily recommendations on what to eat and when, based on your metabolism, your goals, and your real-time data.
See how your body responds to your habits, stay consistent, and watch your metabolism improve day by day.
Lumen is easy to use – it works right out of the box!
Breathe Into Lumen
Get Your Personalized Nutrition Plan
See Real Weight loss Results
Lumen isn’t based on trends or theories – it’s built on real clinical research that has been validated in peer-reviewed studies to match the gold-standard metabolic device used in labs and hospitals.
In studies with institutions like San Francisco State University, Lumen accurately measured whether the body was burning fat or carbs in real time. Clinical trials have also shown improvements in weight loss, body fat, and key metabolic health markers with consistent use.
This is the same level of metabolic insight once limited to professional athletes and medical labs, now available from home!
When your decisions are backed by real data, the results follow.
Try Lumen risk-free and if you don’t love it, we’ll fix it.
Every Lumen is fully backed by a 1-year warranty.
Lumen was founded by twin sisters Merav and Michal – two Ironman winners with PhDs in physiology.
We also provide fast international shipping. Free shipping on qualifying offers only.
We control every step of the process to ensure a safe and high-quality product.
We’re real humans, we’re quick, and we actually like talking to you!
Our mission is to help millions of people gain control over their weight loss journey.