Your productivity, in your hands
The FWRD Card
The smartest habit you'll ever build.
Track your metabolism in real time and build better routines around food, movement, and recovery.
Break free from your scale
Get some rest (finally)
Train smarter, not harder
Cutting Edge Hardware meets Innovation
Advanced science
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.
Long lasting battery life
Experience extended usage with our advanced battery technology that provides reliable power for your daily needs.
Portable and light-weight
Designed for convenience, our lightweight and portable solution fits seamlessly into your lifestyle.
Award-winning design
Recognized for excellence in design and innovation, our product stands out in the industry.
What our community says
Lumen is the top choice for doctors and clinics putting metabolic health first
Innovative, individualized, and data-driven solutions that empower both practitioners and patients to improve metabolic health.
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