β-Endorphin, equine is an endogenous opioid peptide with analgesic properties[1].
[1]. NiinistÖ KE, et al. Plasma levels of heat shock protein 72 (HSP72) and beta-endorphin as indicators of stress, pain and prognosis in horses with colic. Vet J. 2010 Apr;184(1):100-4.
















