What is Novolin GE 40 / 60 Penfill Cartridge

Novolin ge 40/60 PenFill Cartridges are cartridges for use with your reusable insulin pen. They are filled with a mixture of 40% Regular insulin and 60% NPH insulin isophane suspension. Both types of insulin are man-made and are similar to naturally occurring human insulin. They are used to help control blood sugar levels for the treatment of diabetes mellitus.