Begins working in approximately 30 to 60 minutes. Has a peak between 120 and 180 minutes after injection and is usually no longer active after 6 to 8 hours. Used to replace bolus of insulin that the pancreas usually makes in response to foods or to correct increased glucose levels.

Product Name
HumaLog® Cartridge
Humalog® Vial (insulin lispro injection [rDNA origin])
Humulin® R (regular human insulin injection [rDNA origin])