Insulin is a hormone that works by lowering levels of glucose (sugar) in the blood. Regular insulin is short-acting and starts to work within 30 minutes after injection, peaks in 2 to 3 hours, and keeps working for up to 8 hours.
Regular insulin is used to improve blood sugar control in adults and children with diabetes mellitus.
Insulin regular may be used for type 1 or type 2 diabetes.
