PT-141 / Oxytocin is a dual-peptide research formulation combining PT-141, a synthetic melanocortin receptor agonist, with Oxytocin, a naturally occurring peptide hormone and neuropeptide. The two compounds interact with different receptor systems and have been studied in laboratory research involving neuroendocrine signaling, receptor activity, cellular communication, and reproductive biology.

PT-141, also known as Bremelanotide, is a synthetic cyclic peptide related to alpha-melanocyte-stimulating hormone (α-MSH). Research has explored its interactions with melanocortin receptors within the central nervous system and the signaling mechanisms associated with melanocortin receptor activation.

Oxytocin is a nine-amino-acid peptide that interacts with the oxytocin receptor, a G protein-coupled receptor found throughout several biological systems. Laboratory studies have examined oxytocin signaling in relation to neuroendocrine communication, reproductive processes, behavioral pathways, and cellular signaling.

This formulation combines 5mg PT-141 and 10mg Oxytocin and is supplied in a nasal research format for controlled laboratory investigation involving melanocortin and oxytocin receptor pathways and related neuroendocrine signaling.