N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion collybolide, is possibly a potent and selective K-opioid receptor agonist like Salvinorin A JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly.You should upgrade or use an alternative browser. Members who reacted to message #1 All (2) Like (2) Aug 3, 2022 Skorpio Administrator · From The zone Messages 4,927 Reaction score 7,474 Points 470 Aug 3, 2022 Didgital Bluelight Crew · From Colorado, USA Messages 1,634 Reaction score 2,026 Points 170 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion collybolide, is possibly a potent and selective K-opioid receptor agonist like Salvinorin A