Which cells produce insulin?

Beta-cells are the specialized cells located in the islets of Langerhans within the pancreas that are responsible for the production and secretion of insulin. Insulin is a crucial hormone that helps regulate blood glucose levels by facilitating the uptake of glucose into cells for energy or storage. When blood sugar levels rise, such as after eating, beta-cells are prompted to release insulin into the bloodstream, where it acts on various tissues to promote glucose utilization and maintain homeostasis.

This physiological process is vital for energy management and plays a significant role in metabolic health. In contrast, alpha-cells produce glucagon, another hormone involved in blood glucose regulation, while delta-cells secrete somatostatin, which has a role in inhibiting both insulin and glucagon secretion. Gamma-cells, although they are less commonly referenced, are not primarily known for any significant role in insulin production.