Table lists injectable insulin medications, including information on their onset, peak and duration.
* Onset how long it takes before the insulins begin to work; peak the time during which the insulins are at their maximum effectiveness in lowering blood glucose; duration is how long the insulins continue to work before their effects wear off
Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy
Insulins made by different manufacturers should not be mixed, e.g., Humulin-R® (Eli Lilly) should not be mixed with Novolin-N® (Novo-Nordisk). Manufacturers use different processes to produce their insulins, and different preservatives. Their interactions have not been studied.
Last reviewed by a Cleveland Clinic medical professional on 01/15/2018.
Learn more about our editorial process.