Lumen metabolism tracker
$359 $189
or $15.75/mo with

| Over 3K reviews

Your metabolic health,
in your hands

Lumen Metabolism Tracker
Coupon applied  B2BPWC
Starting at $359 $189
when you get an annual plan.
From $15.75/mo with
1-Year Warranty
1-Year Warranty
Metabolic Expert Support
Metabolic Expert Support
Free US Shipping
Free US Shipping
Lumen is validated
by
peer-reviewed scientific research
and its
performance meets the gold-standard
metabolic cart.
Metabolic Breath Analysis Tracker

Cutting Edge Hardware meets Innovation

The Lumen device uses a CO₂ sensor and flow meter to determine the CO₂ concentration in your breath, letting you know if you’re burning carbs or fats for energy in real-time.

 

Lumen’s unique technology has been validated to match the gold standard for metabolic measurement, giving you access to lab-level insights from your home.

Your Membership Experience

Members get daily personalized guidance and insights for reaching their health goals

Lumen Fat Burn

Real-time insights into your body’s energy source. Know if your body is burning fats or carbs and get daily guidance on how to reach your health goals.

Lumen Remote Metabolism Tracking Device

See how your lifestyle habits impact you today. Learn what works for your body with nutrition, exercise, sleep and stress and make better choices.

Lumen Metabolism Tracking

Know what to eat and when.
Lumen learns your body and gives you a daily personalized plan to know what to eat.

Metabolic Tracker

Make on-the-spot decisions.
Measure before your workouts to see whether you have enough fuel and after to see the impact.

Lumen Hack Your Metabolism

Learn more on your journey.
Find science-backed coaching videos with actionable tips to help you understand more about metabolic health.

Metabolism Analysis and Tracking Device

Reveal your metabolism's efficiency. Lumen measures your metabolic health and provides you with a score to reflect it.

How Does Lumen Work

Connect to your favorite health 
& workout apps. Frictionless integrations with Apple Health, Google Fit, and Garmin.

The Lumen Metabolism Tracking Device

Sync your nutrition to your monthly cycle. Find personalized recommendations for each day of your phase suited for your physiology.

Transforming lives, one breath at a time

Excellent
4.4 out of 5
Trustpilot
ER
December 21, 2024
Ella
star star star star star
I'm finally in control of my weight loss

"I've lost over 18lbs with Lumen and it's keeps my consumption in check. I'm no longer aimlessly working out, nearly starving, or eating bland food in hopes of losing weight.

ED
November 14, 2024
Elisa
star star star star star
At 50-something Lumen gave me hope

"I had lost all hope to lose weight; had tried many different diets and nothing worked until I became a Lumen user. I am losing weight YAY!

OM
January 14, 2025
Oscar
star star star star star
Very helpful in understanding how your metabolism reacts

“It’s great for understanding how your metabolism reacts to all kinds of stimuli like diet, exercise, stress, alcohol, or just overeating.

KV
January 14, 2025
Kaye
star star star star star
It is worth it!

"The Lumen is an easy habit to get into if you want to know and improve your metabolism

SW
January 10, 2025
Shannon
star star star star star
I’m with Lumen for the long haul!

"The specialized system is beyond amazing. I see results and the education aspect has helped me understand MY habits.

NA
November 21, 2024
Nadia
star star star star star
The key to Health Optimization & Self-Love

"Lumen has been a key player in helping me take my health to the next level. I love the insight it gives me in real time so I never ever guess if I'm making the right decisions with my meal timings, portions, macro split, workout timings or intensity, etc.

Lumen Redefined Metabolic Tracking

Before Lumen, understanding your metabolic health meant spending 40 minutes and paying hundreds of dollars for a single detailed, professional-grade metabolic measurement.

 

Lumen's handheld device meets the gold standard. Unlimited measurements can be taken anytime and anywhere.

 

With each breath measurement, Lumen’s advanced algorithm builds a personalized diet plan and lifestyle recommendations based on your real-time results.

Lumen in the press

The Times

I lost 4lb the first week and 2lb the second...but more importantly, I was no longer sleeping badly or tempted to have a nap at 4pm.

Entrepreneur

You could hire an expensive coach or you could hack your health with Lumen.

Wired

Breathe into it and the Lumen will tell you how well you're burning fat, and how to eat healthier.

Forbes

This Smart Gadget Helps You Hack Your Metabolism And Lose Weight.

TechCrunch

What once took over an hour to measure, and a team of nutritionists and scientists to analyze, can now be done in less than three minutes.

The Telegraph

I lost 50lbs in seven months by changing one thing about my routine - Lumen

Mindbodygreen

As a nurse and a woman who has struggled with weight loss…trying Lumen was eye-opening and validating.

Tom's Guide

To get a metabolic reading in the past, you had to go to a lab. Now you can keep it in your purse or gym bag.

Vogue

Cleverly, all you have to do is breathe into the handheld device (which is small enough to fit in even the smallest handbags).

FAQs

Metabolic flexibility refers to how efficiently your mitochondria switch from burning carbs or fats for fuel, depending on their availability and your body’s needs.


Being metabolically flexible can be important for disease prevention and helps with managing weight, improved insulin sensitivity, higher energy levels, better sleep, and even longevity.