Home Diabetes Glossary endogenous endogenous Monday,January 4, 2023 ByDiabetesCare.net by DiabetesCare.net | Jan 4, 2023 | 0 comments grown or made inside the body. Insulin made by a person’s own pancreas is endogenous insulin. Insulin that is made from beef or pork pancreas or derived from bacteria is exogenous because it comes from outside the body and must be injected. Submit a Comment Cancel replyYou must be logged in to post a comment.