Dermorphin (Tyr-D-Ala-Phe-Gly-Tyr-Pro-Ser-NH2) — Research Compounds Library | RetatrutideCompare

Heptapeptide from Phyllomedusa skin with potent and selective μ-opioid agonism. Roughly 30–40× more analgesic than morphine in animal models; notorious as a doping agent in racehorses.