CODEINE NO FURTHER A MYSTERY

Grapefruit Juice (GFJ)- I had toyed with the thought of making use of grapefruit juice for a long period but have study combined stories. Not too long ago I study that it will not inhibit CYP2D6 but rahter 3A4 and that is liable for conversion of codeine into norcodeine. In principle by inhibiting 3A4 you leave more codeine for 2D6 to change into m