N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion Most pleasurable opioid based on pharmacology? 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 #25 All (1) Like (1) Jun 16, 2020 nznity Bluelighter · 31 · From Lima. Messages 7,947 Reaction score 8,884 Points 270 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion Most pleasurable opioid based on pharmacology?