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Complex science. Effortless pain-free use.

For the first time, you can get immediate feedback on your fat-burning state and your carbohydrate levels in a single breath.
Clinically tested in studies
Clinically tested in studies

With over 370 patients

Clinically tested in studies
Clinically tested in studies
Woman using the BOYDSense device to take a metabolic breath measurement while standing in a bright kitchen near a window

BREATHE

Exhale into the device for just a few seconds. Our clinical-grade sensors capture your breath signature.

ANALYZE

Our AI engine decodes your metabolic biomarkers directly on the device and sends the results to the app.

OPTIMIZE

Get real-time insights into whether you're burning fat or carbohydrates – and what your glucose levels are.

Take charge of your health. Understand your metabolism.
Stay on track and support your weight goals.

Interested? See how to order.