The Different Types of Insulin Explained

Learn what insulin is and the difference between rapid-acting, short-acting, intermediate-acting, and long-acting insulin.


What Is Insulin?
What Is Insulin?
Insulin is a hormone produced in the pancreas that regulates blood sugar levels in the body. People with type 1 diabetes have a pancreas that no longer secretes a sufficient amount of insulin to control blood sugar levels. People with type 2 diabetes have built a resistance to insulin, therefore the blood sugar levels in their bloodstream remain high. All type 1 diabetics and some type 2 diabetics are treated with a synthetic insulin that they inject into the body. Here are the different types of insulins you may need.