GoKawiilAbbott wins FDA clearance for Libre Duo, a combined glucose-ketone monitor
Abbott has received FDA authorization for the Libre Duo, its first continuous glucose monitor that tracks both blood glucose and ketone levels in a single wearable sensor. The device requires a prescription and lasts 10 days, mirroring the design of Abbott's existing Libre CGM lineup but adding ketone detection aimed at catching dangerous spikes before they turn into ketoacidosis.
GoKawiil's interpretation of the reporting above, not reported fact.
Ketoacidosis is a life-threatening complication that can develop quickly in people with diabetes, and until now patients typically needed separate tools or blood tests to monitor ketones alongside glucose. Combining both readings into one wearable could simplify a critical safety check for diabetics while also signaling that CGM makers are pushing toward more multifunctional health-tracking devices, which may complicate how consumers and doctors choose between competing products.
- Abbott's Libre Duo is the first CGM cleared by the FDA to measure both glucose and ketones simultaneously.
- The device requires a prescription and has a 10-day wear cycle, consistent with Abbott's other Libre sensors.
- Monitoring ketones alongside glucose helps flag ketoacidosis risk earlier, a potentially life-saving improvement for diabetics.
Dexcom Stelo Glucose Biosensor — Stelo is Dexcom's over-the-counter continuous glucose monitor, no prescription needed, so you can see how meals and workouts move your glucose in real time on your phone. It's exactly the kind of wearable the article is wrestling with as CGMs go mainstream and get more complicated.
See Dexcom Stelo Glucose Biosensor on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: theverge.com — Victoria Song, 2026-09-02
Published there as: “Continuous glucose monitors are about to get more complicated”
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