Dossier
ketones
Coverage of ketones in the Nexus archive.
- Phone breathalyser can detect when your body switches to burning fat
A handheld breathalyser called Nutrion, developed by Alivion AG, detects acetone in exhaled breath to determine if the body is burning fat. It uses a smartphone app to guide breathing techniques and filters to improve accuracy, with tests showing it aligns with laboratory breath-acetone and blood-ketone measurements.