Bradykinin and bradykinin related peptides are biologically active oligopeptides manufactured by solid phase peptide synthesis. PeptaNova offers eight bradykinin agonists, four bradykinin selective antagonists and two bradykinin derivatives for Radioimmunoassay. Bradykinin-Potentiator B and C are small synthetic peptides which are originally isolated from biological sources. Both Bradykinin-Potentiator peptides are potent inhibitors for Angiotensin I Converting Enzyme (ACE), Kinase II and Peptidyl-Dipeptidase A.