N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion Why do antacids potentiate amphetamines and opiates? 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) Oct 2, 2020 Deru Bluelight Crew Messages 2,802 Reaction score 2,169 Points 145 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion Why do antacids potentiate amphetamines and opiates?