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How long to stop taking supplements before a blood test?

Discussion in 'Detox: Methylation; B12; Glutathione; Chelation' started by boo85, Oct 31, 2014.

  1. boo85

    boo85 Senior Member

    I'm taking a lot of supplements at the moment. Before my next blood test in Jan/Feb, how many weeks should I stop taking all of them in order to get an accurate test result?

    I'm a bit scared to stop taking them all. They're my crutch. :oops:

    But I'm hoping that I'll have built up my levels by then. I can't believe I didn't use to take any supplements at all a couple of years ago...
  2. taniaaust1

    taniaaust1 Senior Member

    Sth Australia
    I dont think there is a simple answer with that as some things stay in the body a lot longer then others.

    Some studies Ive been in have said to stop all supplements 2 weeks before.
  3. PeterPositive

    PeterPositive Senior Member

    It depends on the supplements and the test you're going to perform.
    Best thing to do is telling the labs what you're taking and ask them about it. Maybe you just need to stop a few.

  4. CFS_for_19_years

    CFS_for_19_years Hoarder of biscuits

    It's best to have your doctor give you the answer, but most routine laboratory tests don't need you to stop taking supplements. It's your doctor's responsibility to be sure you've done the proper preparation and they should give you any special instructions when they tell you they are ordering the test.

    If you know what tests you'll be having, you can check them here:

    There's a dropdown box with the most common lab tests listed. Once you choose the test, at the bottom of the page it will say "Test Preparation Needed?" That is where you will find the information you're looking for.

    FWIW, I'm a medical technologist, former laboratory manager.

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