Humulin 70/30 (generic: insulin NPH and insulin Regular) is an over-the-counter medication used to control blood sugar levels in those with diabetes mellitus.
Humulin 70/30 belongs to a group of drugs called insulin, which work by helping glucose (blood sugar) get into the cells. Glucose is a source of energy for the cell.
This medication comes in an injectable form, either from a vial or from a pen. Because each person’s diabetes is different, your doctor will tell you how much to use, and when and how often to inject it.