gastric inhibitory polypeptide

noun

variants also gastric inhibitory peptide

: an intestinal polypeptide hormone that stimulates insulin secretion by the pancreas in response to the presence of glucose in the gut especially following meal ingestion

… mice without receptors for the incretins, glucagon-like peptide 1, and gastric inhibitory polypeptide show impaired insulin secretion and abnormal glucose tolerance without insulin resistance.

—Hanna Huopio et al., The Lancet

—abbreviation GIP

called also glucose-dependent insulinotropic polypeptide