N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion ULDN - The magic weapon to reduce and keep tolerance to Opioids low 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 #289 All (1) Like (1) Yesterday at 7:33 PM 4DQSAR Bluelighter Messages 5,705 Reaction score 3,834 Points 120 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion ULDN - The magic weapon to reduce and keep tolerance to Opioids low