Xylazine Was very first synthesized by Bayer in 1962 and afterwards authorised being an animal drugs with the FDA in 1972. This is a non-opioid used for its sedative, pain relieving with muscle relaxant Homes in animal (veterinary) medication. It's not at all approved with the FDA to be used https://approvedwebstores.bearblog.dev/the-truth-about-xylazine-in-humans/