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Important Safety Information

What is continuous glucose monitoring (CGM)?

CGM tracks your glucose in real time8—without finger pricks10. Imagine finishing a meal or going for a walk and seeing how your glucose reacts—no pain, no guesswork, just insight17 that helps you stay one step ahead.
A woman wearing a FreeStyle Libre sensor prepares fruit for smoothies with her son.
@hollyenglish.fit via @freestylediabetes on Instagram

How does a continuous glucose monitor work?

A CGM measures glucose levels in the fluid between your cells using a small sensor that’s painlessly4,5 applied to the back of your upper arm.
By measuring these levels continuously, CGMs show how your body responds to food, movement, and daily life, giving you a bigger picture17 of your trends over time.

CGM systems typically consist of two or three parts.

Close-up photo of a man wearing a FreeStyle Libre sensor.

A small, discreet4 sensor

The sensor is small, easy to use4, and painlessly4,5 placed on the back of your upper arm. It measures glucose levels in the fluid beneath your skin.
A phone and an Apple Watch displaying the FreeStyle LibreLink app showing real-time glucose monitoring information.

An app that shows your glucose data

The CGM app receives data, sent via Bluetooth from the sensor2, showing you real-time readings sent directly to your smartphone13.
A FreeStyle Libre reader showing real-time glucose information.

A reader

The handheld reader receives data wirelessly sent from the sensor2, displaying your glucose readings day and night.

How is CGM different from blood glucose monitoring (BGM)?

BGM and CGM both measure glucose levels, but in different ways. The key difference is that BGM gives you a snapshot of glucose at a single point in time617, while CGM painlessly tracks patterns throughout the day and night.
Learn the Difference
A smiling woman serves food at an outdoor gathering, with a FreeStyle Libre sensor visible on her upper arm.

Benefits of CGMs for managing Type 1 or Type 2 diabetes.

  • See how meals, activity, and routines affect glucose levels to help manage diabetes with more confidence7
  • Significantly lower A1c39,27
  • More informed doctor visits16,17
  • No finger pricks10 required
  • Empower self-management that can lead to better outcomes4,7,20

FAQs

97% of users agree FreeStyle Libre 2 system is easy to use2, and 98% of users agree FreeStyle Libre 3 system is easy to use2. (Based on a 2024 survey conducted in the US, Germany, France, and Japan by Abbott Diabetes Care on 504 FreeStyle Libre users with Type 1 and Type 2 diabetes, and 326 healthcare professionals.)

CGMs, like the FreeStyle Libre sensor, are painlessly4,5 applied and easy to wear4,5.

The FreeStyle Libre system is so small, 73% of users say they almost forget they're wearing it2. (Based on a 2024 survey conducted in the US, Germany, France, and Japan by Abbott Diabetes Care on 504 FreeStyle Libre users with Type 1 and Type 2 diabetes, and 326 healthcare professionals.)

FreeStyle Libre sensors are worn on the back of your upper arm.

A man at an outdoor gathering with a FreeStyle Libre sensor on his upper arm checks his glucose levels on his smartphone.

Make more confident choices with a FreeStyle Libre system7.

Easily see your glucose levels, where they’re going, and where they’ve been with a FreeStyle Libre system.
Meet FreeStyle Libre

Product images for illustrative purposes only. Not actual patient data.

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