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Triangle of Diabetes Care
⏱ 5 minutes read
Stay in control by tracking the three pillars of diabetes care with the FreeStyle Libre systems.*
Connecting the data
Get to know how to read all of your data, step-by-step, with the LibreLink app, Libre 3 app, or the Libre 2 or Libre 3 reader.
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Get to know your home screen.
Your LibreLink or Libre 3 app's home screen is your go-to place for quickly accessing your most recent glucose data. On your home screen, you’ll see:
- Green, yellow, orange, or red banners that provide your real-time◊,¤,‡ glucose readings.
- A graph showing glucose trends and your most up-to-date glucose readings for the current time period.
Once you’re used to accessing and reading the information on your home screen, you can navigate to the Daily Graph. To find the Daily Graph, click on the menu in the top left and find the Daily Graph tab under Reports.
Accessing your Daily Graph.
Your Daily Graph shows your glucose over a period of time, helping you see broader patterns.
- See where levels are throughout a day’s timeframe
- Log notes, like meals or movement
- Add insulin information
- View high and low glucose alarms
Get further insights in your Reports tab.
After five days of collecting data, your FreeStyle Libre 2 system or FreeStyle Libre 3 system will have more data you can use to get historical glucose data.
To access your Reports, click on the menu in the top left and find the Reports section.
Here’s what your Reports can show you:
Average Glucose
See the overall average of your sensor readings—plus how those averages shift throughout the day.
Your main average appears at the top. Below, see how your levels tend to look in the morning, afternoon, evening, and overnight.
The colours help you read your averages at a glance:
Green means you’re in range.
Yellow, orange, or red show times when your glucose moved above or below your target.
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Low Glucose Events
The Low Glucose Events chart displays times when your glucose dropped below your set levels over a period of time.
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Daily Patterns
Your Daily Patterns graph helps you see the rhythm of your glucose throughout a typical day. Here’s how to read it:
The thick line shows the midpoint of your readings — your day’s "centre line.”
The inner shaded band shows where most of your readings land.
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Glucose Management Indicator (GMI)
Your Glucose Management Indicator (GMI) gives you an estimate of what your HbA1c might look like based on your average sensor glucose.
It uses your day-to-day readings to show how steady your levels have been over time. Think of it as a snapshot of how your overall glucose management is trending.
The percentage you see reflects that estimate—and helps you track your long-term progress.
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How to use your data in everyday situations.
Before breakfast.
You wake up, check your LibreLink app, Libre 3 app, or the Libre 2 or Libre 3 reader, and see your glucose at 6.3 mmol/L and rising. That trend arrow tells you something’s shifting. Maybe it’s stress, a late-night snack, or just your morning routine.
What it could mean: This is your cue to pause and consider small adjustments, like timing your insulin or breakfast differently.
After a walk.
You finish your usual loop and suddenly feel shaky or sweaty. You check your LibreLink app, Libre 3 app, or your Libre 2 or Libre 3 reader, and your glucose is reading low.
What it could mean: This is a sign to bring your glucose levels back up, and to make sure you have a snack or meal before your next bout of movement.
The more you track, the clearer patterns become.
The longer you use your FreeStyle Libre 2 system or FreeStyle Libre 3 system, the more your data reveals about what works best for your glucose. You’ll start to see how one choice today shapes how you feel tomorrow.
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Try setting a GMI goal with your doctor.
Take a moment each week to look at your GMI, and try setting a new goal for yourself with the help of your healthcare provider or healthcare team. Goal setting is a way to measure your progress and watch how you overcome challenges. You’ve got this.
Further reading
Building balanced meals
⏱ 4 minutes read
Explore what makes a balanced meal and what goes into creating one.
