N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion Prolong Methylphenidate IR's effect, how? 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 #4 All (1) Like (1) Apr 16, 2025 Conky Bluelighter Messages 3,041 Reaction score 4,241 Points 70 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion Prolong Methylphenidate IR's effect, how?