Insulin glargine is a injectable long-acting, synthetic version of human insulin. Insulin glargine products work by replacing the insulin that is normally produced by the body and by helping move sugar from the blood into other body tissues where it is used for energy. It also stops the liver from producing more sugar (Gluconeogenesis).Insulin glargine, sold under the brand name" Lantus" among others, is a long-acting modified form of medical insulin, used in the management of Type I and Type II diabetes. It is typically the recommended long acting insulin in the United Kingdom. LANTUS is a long-acting man made