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Insulin is a hormone that helps your body maintain a healthy blood sugar level. If your body doesn’t produce enough insulin, or you become insulin resistant, your blood sugar can be too high, and you can develop diabetes. 

If you’ve been prescribed insulin for diabetes, we’re sure you want to know more about what it is and how insulin works. This guide is for you. You’ll find a full explanation of what insulin is and what it does. We detail how insulin can be used as a medicine, and we’ll also answer some frequently asked questions about insulin. 

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