The FreeStyle Libre system has been clinically proven to be accurate, stable, and consistent over 14 days. It does not require finger prick calibration and may be used in place of routine finger prick glucose testing.¹'²

^1* 1Bailey, et al. The Performance and Usability of a Factory-Calibrated Flash Glucose Monitoring System. Diabetes Technology & Therapeutics, Volume 17, Number 11, 2015.  *A fingerprick test using a blood glucose meter is required during times of rapidly changing glucose levels when interstitial fluid glucose levels may not accurately reflect blood glucose levels or if hypoglycaemia or impending hypoglycaemia is reported by the system or when symptoms do not match the system readings.