Supps not to take with grapefruit juice?

  1. Registered User
    RexGrandis's Avatar
    Join Date
    Feb 2007

    Supps not to take with grapefruit juice?

    Hello friends,

    I love grapefruit juice (99% concentrate) and I also love taking supplements.

    As most of you here know, many supps are no joke (although some are nothing but a joke).

    As I understand it, grapefruit juice can greatly increase the effect of many drugs through its inhibiting effect on "CYP 3A4".

    Are there any supplements also metabolised by this enzyme? If so, which ones would they be?

    I know dianabol, not a "supplement", is one such substance where absorption is enhanced with grapefruit juice.

  2. Registered User
    fightbackhxc's Avatar
    5'11"  200 lbs.
    Join Date
    May 2008

    Grapefruit will enhance the absorption of most oral hormones.

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