Getting Started with Dexcom ONE

Your 5-step learning journey

Discover education resources, organised in a 5-step journey, to learn key information about your Dexcom ONE CGM system.
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Step 1 – Discover the basics of Continuous Glucose Monitoring

What is Continuous Glucose Monitoring?

How your Dexcom system works

5 benefits of using a Dexcom system

Dexcom ONE device and two iPhones with mgdl and mmol readings on app

Have you checked your smartphone compatibility?

The Dexcom ONE app can work only with the smartphones listed on our compatibility page. Have a look before you purchase your starter kit.
Check compatibility

Frequent questions about Continuous Glucose Monitoring

  • See all FAQs

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