GIP (1-30) amide (Human) TFA is a glucose-dependent insulinotropic polypeptide fragment. Glucose-dependent insulinotropic polypeptide (GIP) is an incretin hormone that stimulates insulin secretion and reduces postprandial glycaemic excursions.

Tyroserleutide TFA, isolated from the degradation products of porcine spleen, is a small molecular tripeptide which inhibits tumor growth both in vitro and in vivo.

Neuropeptide S human (TFA) is a potent endogenous neuropeptide S receptor agonist (EC50=9.4 nM).