Does Lingo measure Ketones? Not yet, however, we are working on solutions for Lingo to measure other key biomarkers like ketones and lactate. Currently, we don’t have a launch date for new biomarkers but stay tuned. Please check www.hellolingo.com for future updates. Related articles Will my biosensor interfere with my pacemaker? What is the glucose range that Lingo shows? What is the maximum operating range (distance) of the Lingo app and biosensor? Do you really need a CGM to tell you what foods will cause glucose spikes? How can I contact customer support?