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Freestyle Libre 3 Sensor

Freestyle Libre 3 Sensor 1
  • Freestyle Libre 3 Sensor 1
  • Freestyle Libre 3 Sensor App Image
  • FreeStyle Libre 3 Sensor Size
  • £70.74
  • £58.95
(15 items in stock)

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Abbott's latest advancement in glucose monitoring. Experience continuous real-time glucose readings delivered to your smartphone every minute, allowing you to stay ahead and act promptly to avoid low glucose levels.

Worn discreetly on the back of your upper arm, the FreeStyle Libre 3 Sensor is the smallest and most inconspicuous sensor yet. Its continuous monitoring provides accurate glucose concentration in the body's interstitial fluid, updating results up to every minute and seamlessly transmitting them to your compatible smartphone. 

Designed to align seamlessly with your lifestyle, this innovative system boasts the following features:

1. Accurate:
The most accurate 14-day Continuous Glucose Monitoring (CGM) system to minimize time spent in hypoglycemia and enhance overall glucose control.

2. Discreet:
The world's smallest, thinnest sensor, resembling the size of a pound coin, ensuring discreet wearability.

3. Easy:
Simple application with a one-piece applicator, promoting ease of use and environmental friendliness with reduced plastic and packaging material.

Receive glucose readings directly on your smartphone every minute, making glucose monitoring effortless and convenient. To get started, download the FreeStyle Libre 3 app for free on your smartphone and gain access to your glucose data.

How FreeStyle Libre 3 Works:

The FreeStyle Libre 3 system revolutionizes traditional finger-pricking methods by utilizing a sensor on your arm for continuous glucose level measurement in the interstitial fluid beneath the skin. Comprising a sensor and a smartphone app, the system offers:


  • Easily applied on the back of your upper arm with a one-piece applicator.
  • Updates glucose levels every 15 minutes (configurable up to every minute).
  • Water-resistant, lasting up to 14 days, enabling wear during daily activities, including showering, swimming, and exercising.

Smartphone App:

  • Receives glucose readings from the sensor.
  • Displays current glucose level, trends, and a 14-day glucose history.
  • Allows setting up optional alarms for high or low glucose levels.
  • Facilitates data sharing with healthcare providers. 



Make informed decisions about your diabetes management with the FreeStyle Libre 3 system, providing a comprehensive understanding of your glucose trends. Explore its affordability, reliability, and eco-friendly design, contributing to a healthier lifestyle.

Check if your smartphone is compatible 

Unprecedented Advancements:

  • Faster Readings: Benefit from 5x faster readings compared to previous models.
  • Enhanced Accuracy: Achieve precise 14-day CGM results with a remarkable Mean Absolute Relative Difference (MARD) of 9.2% for adults, significantly reducing time spent in hypoglycemia.
  • Improved Alarming System: Experience a 5x faster alarm system that provides timely alerts for high and low glucose levels, ensuring swift and informed responses.
  • Clinical Outcomes: Witness improved clinical outcomes, making this system an integral part of managing diabetes with confidence.

Designed with You in Mind:

  • Discreet Design:
    The FreeStyle Libre 3 Sensor is not just smaller but also 40% smaller and 20% thinner than its predecessor, ensuring a discreet profile even under clothing.
  • Eco-Friendly:
    Contribute to environmental sustainability with a design that utilizes 41% less plastic and 43% less outer packaging material.
  • User-Friendly Application:
    Employ the one-piece applicator for easy and hassle-free application, reflecting a commitment to both user comfort and environmental responsibility.

Seamless Integration into Daily Life:

  • Extended Wearability:
    Wear the sensor for up to 14 days, promoting continuous glucose monitoring day and night.
  • Water Resistance:
    The sensor is water-resistant, allowing it to function seamlessly during activities such as showering, swimming, and exercising.

The FreeStyle Libre 3 App:

  • Comprehensive Monitoring:
    Receive glucose readings, trends, and a 14-day history directly on your smartphone.
  • Customizable Alerts:
    Set up optional alarms for high and low glucose levels to ensure you stay informed.
  • Healthcare Collaboration:
    Share your glucose data effortlessly with healthcare providers, fostering collaborative diabetes management.

How It Works:

The FreeStyle Libre 3 Sensor employs a tiny filament just below the skin surface to continuously measure glucose levels in the interstitial fluid. The sensor, applied to the back of the upper arm with the one-piece applicator, updates readings every 15 minutes (configurable up to every minute) and wirelessly transmits the data to your compatible smartphone.

Usage Instructions:

  1. App Download:
    Begin by downloading the FreeStyle Libre 3 app on your smartphone.
  2. Preparation: Wash and dry the application area, ensuring cleanliness.
  3. Sensor Application: Use the provided one-piece applicator to securely apply the sensor to the back of the upper arm.
  4. App Setup: Follow the app setup instructions to connect your device and start receiving glucose readings.

Technical Specifications:

  • Water Resistance: IP27 – Resistant to water immersion up to 1 meter for 30 minutes.
  • Sensor Duration: Up to 14 days.
  • Sensor Size: 2.9 mm x 21 mm – Comparable to the size of two stacked pennies.
  • Storage Conditions: Keep in a cool, dry place away from direct sunlight.

Fulfilling Your Diabetes Management Needs:

The FreeStyle Libre 3 System stands as a beacon of innovation, providing you with the tools to embrace a proactive and informed approach to managing your diabetes. Explore the world's smallest and most advanced CGM system, designed to seamlessly integrate into your life.


Device User Guide:
Downloadable PDF 
Using Freestyle Libre:
Watch video tutorials

How to Remove the Sensor Safely?
Watch guide video here
Getting Started Guide: 
Download here
To get help with your device, you can contact the manufacturer online or via telephone at 0800 170 1177

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UK Standard Delivery:
Within 3 working days (excluding public holidays).
Cost is £3.75.
Completed by a Royal Mail or a Courier.

UK Next Working Day Tracked Delivery: 
With the busy period for couriers this may take up to 2 working days.
You can opt for next working day tracked delivery for some items (excluding public holidays). To find out which items please contact us. Orders must be placed by 11am Monday to Friday. 
Cost £5.95.
Completed by Royal Mail or a Courier.
Please note that we only deliver to the UK.