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How does insulin work in people with and without diabetes?

As your body digests the food you eat, glucose builds up in the blood. In people without diabetes, glucose signals the body to release insulin. Insulin then lets glucose into the cells that need it. Without insulin, cells in the body can’t get the energy they need to live and grow. In people with type 1 diabetes, the body no longer makes insulin. Glucose can’t get to the cells that need it. In people with type 2 diabetes, the body makes and releases insulin, but the insulin has problems in getting enough glucose into the cells that need it.

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What You Need to Know About Insulin
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.