Continuous Glucose Monitoring
The World's Smallest.
The Smartest.
FreeStyle Libre 3 is the smallest, thinnest glucose sensor ever designed. It automatically sends real-time glucose readings every minute to your smartphone, providing unsurpassed accuracy for up to 14 days of effortless health management.
What is FreeStyle Libre 3?
A Seamless Health Revolution
The FreeStyle Libre 3 provides real-time glucose readings sent directly to a smartphone every minute, eliminating the need for manual scanning and allowing for effortless monitoring.
How To Use
Monitor Your Levels in 6 Steps
Apply the Sensor
Use the one-piece applicator to apply the tiny sensor to the back of your upper arm.
Initialize with App
Open the FreeStyle Libre 3 app and scan the sensor to start the connection.
Wait for Warm-up
Allow 60 minutes for the sensor to stabilize before it begins transmitting live data.
Configure Alarms
Set up optional glucose alarms to notify you of low or high readings.
View Real-Time Data
Check current glucose and trend arrows at a glance without manual scanning.
Log Your Progress
Track food, exercise, and insulin to see how your body reacts in real-time.
VIDEO TUTORIAL
See FreeStyle Libre 3 in Action
App Capabilities
Core Features
Real-Time Streaming
Automated glucose readings sent every minute directly to your mobile device via Bluetooth.
Custom Glucose Alarms
Instant notifications for highs and lows to help you stay within your target range.
LibreLinkUp
Share your glucose data remotely with up to 20 people, including caregivers or doctors.
Detailed Reports
Access Time in Range (TIR) and Glucose Management Indicator (GMI) summaries for clinical review.
Benefits
Why Use FreeStyle Libre 3?
Unmatched Size
The thinnest and smallest sensor in the world—about the size of two stacked pennies.
Continuous Flow
Sends readings every minute, ensuring you never miss a metabolic peak or dip.
14-Day Longevity
Stay connected for two full weeks with a single sensor for consistent, accurate data.
Evaluation
Pros & Cons
Pros
- Zero manual scanning required; data streams automatically.
- Extremely discreet and comfortable for long-term wear.
- Highly accurate MARD (Mean Absolute Relative Difference) rating.
- Environmentally friendly footprint with 41% less plastic than previous models.
Cons
- Requires a prescription in many regions.
- Bluetooth connection can drop if the phone is too far from the sensor.
- Adhesive may cause skin irritation for some sensitive users.
- Data cannot be shared with some third-party fitness apps directly.
Verdict
Final Review
FreeStyle Libre 3 is a game-changer for metabolic health monitoring. Its combination of minuscule size and real-time data streaming makes it the most convenient CGM on the market today. By removing the friction of manual scanning, it allows users to truly understand their body's response to food and exercise in real-time. It is an essential tool for those managing diabetes or anyone seeking to optimize their metabolic health with precision.