The FreeStyle Libre 3 sensor uses technology that is proven to be accurate1, stable and consistent2 for up to 14 days without fingersticks*. The FreeStyle Libre 3 sensor has an overall mean absolute relative difference (MARD) of 7.9%1.
* Fingersticks are required if your glucose alarms and readings do not match symptoms or when you see Check Blood Glucose symbol in the first twelve hours.
1 FreeStyle Libre 3 User's Manual.
2 Alva, Shridhara, Ronald Brazg, Kristin Castorino, Mark Kipnes, David R. Liljenquist, and Hanqing Liu. "Accuracy of the Third Generation of a 14-Day Continuous Glucose Monitoring System." Diabetes Therapy (2023): https://doi.org/10.1007/s13300-023-01385-6.