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How freestyle libre works

How freestyle libre works

Know your glucose levels and how they are trending; without a finger prick††

Discover the FreeStyle Libre system

cgm glucose monitoring

What is it?

A continuous glucose monitoring (CGM) system consisting of a handheld reader, and a disposable sensor worn on your arm.

cgm sensor

How does it work?

The sensor uses a thin, flexible filament inserted just under the skin to measure glucose levels continuously for 8 hours.

How to use CGM

How do you use it?

Use your handheld reader to scan the disposable sensor without the need to prick your fingers.††

The FreeStyle Libre reader

Each painless, one-second scan shows:14

cgm

Manage and know more about your glucose without a finger prick.††

Use your reader to scan the sensor as often as you like, even through clothing.#14

  • Historic data visibility
    visibilityStores 90 days of glucose data. Shows you the daily percentage of time you spent in your target range.14
  • Convenience
    Compact, lightweight, and includes a built-in test strip port for blood glucose and blood ketone testing.

The FreeStyle Libre sensor

FreeStyle Libre SensorFreeStyle Libre Sensor

Small, discreet, and comfortable to wear §14

Painless application 14
Painless and easy to apply. A very thin filament sits just under the skin to measure interstitial fluid.

Factory Calibrated 14
FreeStyle Libre is the only factory-calibrated glucose monitoring system. No fingerpick calibration required and gives accurate data.

Accurate Sensor Readings
Excellent accuracy overall#, in low glucose range23, and in pediatric patients24

Water resistant so you can swim, exercise and shower**

Continuously provides a complete picture
Measures your glucose every 1 minute, and stores glucose readings every 15 minutes.

Wear for up to 14 days

FreeStyle Libre has been shown to be reliable and accurate when compared 
to blood glucose monitoring.†13,18

How does the FreeStyle Libre system work?

FreeStyle Libre measures glucose in interstitial fluid (ISF)

Blood glucose monitoring vs continuous glucose monitoring

Understand the lag between FreeStyle Libre (CGM) and BGM

  • Blood glucose monitoring (BGM) captures single moments in time
  • FreeStyle Libre helps you see your glucose levels over time

To know more about how FreeStyle 
Libre works, watch the video below.

Disclaimer – Images are for illustration purpose only. No actual patient data. Any person depicted in the photos is a model

Abbreviations: CGM: continuous glucose monitoring; ISF: interstitial fluid.