Introduction Actrapid 40IU/ml Solution for Injection is a short-acting insulin used to treat type I and type II diabetes mellitus. It is used together with a healthy diet and regular exercise to control blood sugar levels after meals. This helps to prevent serious complications of diabetes like kidney damage and blindness.Actrapid is a replacement insulin that is very similar to the insulin made by the human pancreas. The active substance in Actrapid, human insulin, is produced by a method known as 'recombinant DNA technology': the insulin is made by a yeast that has received a gene (DNA), which makes it