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FreeStyle Libre 3 PLUS Sensor

  • Continuous glucose monitoring sensor with real-time readings
  • Measures glucose every minute without routine finger-prick testing
  • Up to 15 days of continuous wear
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In stock

£79.99
24 hr tracked delivery once approved
Fast & Free Delivery Options

Variety of delivery options including next day & free delivery.

100% UK-based Pharmacy

Pharmacy, clinic and prescribers based in Greater Manchester.

Free Online Consultations

Start your treatment with a quick and free online consultation.

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Step 1: Online Consultation

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Step 2: Choose a Treatment

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About FreeStyle Libre 3 PLUS Sensor

The FreeStyle Libre 3 PLUS Sensor is a continuous glucose monitoring (CGM) sensor designed to help people with diabetes track glucose levels accurately without routine finger-prick testing. The sensor is worn discreetly on the back of the upper arm and continuously measures glucose levels in the interstitial fluid.

FreeStyle Libre 3 PLUS Sensor sends real-time glucose readings automatically to a compatible smartphone via Bluetooth, updating every minute. It allows users to monitor trends, patterns, and glucose fluctuations day and night, supporting better diabetes management.

Each sensor provides up to 15 days of continuous glucose monitoring when worn correctly and used as directed.

 

Medical Device Name FreeStyle Libre 3 PLUS Sensor
Device Type Continuous Glucose Monitoring (CGM) Sensor
Worn Location Back of the upper arm
Sensor Wear Time Up to 15 days
Glucose Readings Automatic readings every minute
Calibration No routine finger-prick calibration required
Compatible Devices Compatible smartphone with FreeStyle LibreLink app
Who Can Use It Adults and children aged 2 years and over

What Is FreeStyle Libre 3 PLUS Sensor Used For?

FreeStyle Libre 3 PLUS Sensor is used to measure glucose levels in people with diabetes. It helps users understand glucose trends, identify high and low glucose levels, and make informed decisions about diet, activity, and treatment in line with healthcare professional advice.

Who Is FreeStyle Libre 3 PLUS Sensor Suitable For?

The sensor is suitable for:

  • Adults and children aged 2 years and over with diabetes
  • People using insulin or non-insulin diabetes treatment

Do not use FreeStyle Libre 3 PLUS Sensor if you:

  • Are allergic to any of the materials used in the sensor
  • Have been advised against CGM use by a healthcare professional

How to Use FreeStyle Libre 3 PLUS Sensor

  1. Clean and dry the skin on the back of the upper arm.
  2. Apply the sensor using the applicator provided.
  3. Activate the sensor using the FreeStyle LibreLink app.
  4. Wear the sensor continuously for up to 15 days.

Glucose readings are automatically sent to your smartphone every minute while the sensor is active.

Key Features of FreeStyle Libre 3 PLUS Sensor

  • Real-time glucose readings every minute
  • No routine finger-prick testing required
  • Discreet, small sensor design
  • Optional high and low glucose alarms
  • Water-resistant for everyday activities

Warnings and Precautions

  • Always follow instructions provided in the patient information leaflet.
  • Confirm glucose readings with a finger-prick test if symptoms do not match readings.
  • Do not use the sensor beyond the recommended wear time.
  • Seek medical advice if skin irritation occurs.

Storage Instructions

  • Store at room temperature.
  • Do not freeze.
  • Keep out of sight and reach of children.

FreeStyle Libre 3 PLUS Sensor Reviews

Our Experienced UK-based Pharmacy Team

Clinical Consultant
MUDr, MRCEM, EBCEM, FRCEM
GMC no. 7176414

Pharmacist
MPharm
GPhC no. 2065469

Pharmacist
MPharm
GPhC no. 2046514

Page content authored by Amjad Khan, last reviewed by Mr Muhammad on 5th February 2026.

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