What are the different types of insulin?

Insulin helps the body regulate Glucose by moving it from the blood into the body cells where it is used as fuel. Without it, glucose level rises in blood and causes the known symptoms and signs of Diabetes.

There are different types of insulin to help keep blood glucose within target range. You can take insulin as an inhaler, through a syringe, insulin pen, or insulin pump.
some examples of insulin widely used:
- Rapid-acting insulin
  - Onset: 15 minutes
  - Duration: 2- 4 hours
  - Examples: Insulin aspart (Novolog), Insulin lispro (Humalog), Insulin glulisine (Apidra)
- Regular insulin
  - Onset: 30 minutes
  - Duration: 3 to 6 hours
  - Examples: Insulin regular (Novolin R)
- Intermediate-acting insulin
  - Onset: 1 to 2 hours
  - Duration: 12 hours
  - Examples: NPH (Novolin N)
- Long-acting insulin
  - Onset: 2 to 4 hours
  - Duration: 24 hours
  - Examples: Insulin detemir (Levemir), Insulin glargine (Lantus, Basaglar)
- Ultra-long-acting insulin
  - Onset: 6 hours
  - Duration: 36 to 42 hours
  - Examples: Insulin degludec (Tresiba)
While only a small percent of people with type 2 diabetes use insulin, all people with type 1 diabetes must take it for life.