N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion Cimetidine or (white) grapefruit juice for benzo/opiate potentiation? 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 #5 All (1) Like (1) S Nov 28, 2022 soupdogg08 Greenlighter Messages 2 Reaction score 1 Points 170 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion Cimetidine or (white) grapefruit juice for benzo/opiate potentiation?