What is intermediate-acting insulin?

Intermediate-acting insulin takes 2 to 4 hours to reach the blood. It works hardest from 4 to 10 hours after your shot and lasts 10 to 16 hours.

intermediate-acting insulin is a synthetic form of insulin that controls blood sugar by supplying a small amount to the body throughout the day. Two compounds, zinc and a protein named protamine, allow intermediate-acting insulin to be used more gradually in the body than regular insulin. Intermediate-acting insulin is frequently used with a short-acting insulin or a rapid-acting insulin to manage the spike in blood sugar that happens after eating meals. It is usually taken one or two times per day.

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