What Is Insulin?
Insulin is a hormone produced in the beta cells of the pancreas. Insulin helps the body convert glucose (a type of sugar) in the blood into energy. After eating and digesting food, glucose levels in the body rise, and insulin is released to help the body use or store the sugar from food. On the cellular level, insulin helps transport glucose into the body cells where it is turned into energy.
What Is Insulin Used For?
Insulin is used to treat diabetes.
People with type 1 diabetes do not produce insulin and they need insulin injections so the body can use the glucose from meals.
People with type 2 diabetes make insulin, but their bodies do not respond properly to it. This is called “insulin resistance.” Some people with type 2 diabetes need insulin shots but usually they are treated with pills and diet control.
What Are the 5 Types of Insulin?
There are 5 main types of insulin that act differently in the body.
- Rapid-acting insulin
- Regular or short-acting insulin
- Intermediate-acting insulin
- Long-acting insulin
- Ultra long-acting insulin
- Starts working in about 6 hours
- Does not peak
- Lasts 36 hours or longer
- Glargine u-300 (Toujeo)
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