The present invention relates to an insulin–peptide complex, wherein the said complex comprises peptides made of amino acids, wherein the linkage between said insulin and said peptide is a non-covalent linkage. Further, a process for preparing the said insulin-peptide complex is disclosed in the present invention. The said insulin-peptide complex is resistant to proteolytic enzymes of the gastrointestinal tract.La présente invention concerne un complexe insuline-peptide, ledit complexe comprenant des peptides constitués d'acides aminés, la liaison entre ladite insuline et ledit peptide étant une liaison non covalente. L'invention concerne en outre un procédé de préparation dudit complexe insuline-peptide. Ledit complexe insuline-peptide est résistant aux enzymes protéolytiques du tractus gastro-intestinal.
