Insulin is a hormone that your body makes naturally and is important for producing energy from food. Some people with type 2 diabetes may not be able to use their own insulin well, and it causes their blood glucose (sugar) levels to rise.
Different insulin medications work in different ways to lower glucose.
This short video explains what insulin is, what happens to your body’s insulin when you have type 2 diabetes, and how adding insulin to your treatment routine may help you manage your diabetes.