Post navigation Next ArticlePrevious Article Incretins ·6 June 2017 Incretins are metabolic hormones that stimulate a decrease in blood glucose levels. In the gastrointestinal tract, specialized cells secrete incretins after the ingestion of food. Tweet Share Pin it Comment Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Name * Email * Website Comment By using this form you agree with the storage and handling of your data by this website. * Notify me of new posts by email.