Insulin A hormone produced by the pancreas that helps glucose move into cells of the body where it is used as energy. Insulin is the only hormone in the body that can lower the glucose level in the blood. Related Articles: Self-Monitoring of Blood GlucoseOur Diabetes NurseGetting Started on a Plant-Based DietEpisode 1: Inaugural Diabetes Deconstructed Podcast with Amy RohrbaughEpisode 2: The ABCs of Diabetes with Dr. Sudipa Sarkar