Grapefruit Juice (GFJ)- I had toyed with the concept of applying grapefruit juice for some time but have read through mixed reviews. Recently I browse that it doesn't inhibit CYP2D6 but rahter 3A4 and that is chargeable for conversion of codeine into norcodeine. In principle by inhibiting 3A4 you allow https://codeine62728.pointblog.net/the-single-best-strategy-to-use-for-codeine-79910452