Abaloparatide TFA (BA 058 TFA) is a parathyroid hormone receptor 1 PTHR1 analogue and an effective and selective activator of the PTHR1 signaling pathway.

[D-Pro4,D-Trp7,9,10] Substance P (4-11) is a potent tachykinin antagonist.

β-Endorphin, an endogenous opioid neuropeptide, is an opioid receptor agonist. β-Endorphin binds preferentially to μ-opioid receptors and is produced in certain neurons of the central and peripheral nervous system and is one of three endorphins produced in humans. β-Endorphin can be used to reduce stress and maintain homeostasis in the body and is involved in neurological pain perception regulation.