GLP-1 (9-36) amide, or Glucagon-like peptide-1 (9-36) amide, is a glucoregulatory peptide and the human N-terminally truncated major metabolite of glucagon-like peptide GLP-1 (7-36) amide, formed by dipeptidyl peptidase-IV (DPP IV) cleavage. GLP-1 (9-36)