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Lipton Tea and Warfarin?

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  • Lipton Tea and Warfarin?

    Dear friends: I am confused about the ordinary Lipton Tea and Warfarin.
    Some teas have high vit.K content and some low
    I mean the regular 5 o'clock English tea,( not green tea or others in the lists!
    Thanks a lot

  • #2
    Evidently the process or turning green tea into brown tea destroys most of the vitamin K. There should be no problem unless you chew the leaves. I have been surprised at how many people like to chew them.

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    • #3
      Black, brown tea are they processed the same way

      Recently I had a sudden, unexplainable drop in INR level.

      Coincidentally for the first time I started drinking maple flavoured tea. It contains (according to the label) black tea and natural maple flavour and I didn't think black tea contained Vit. K. just the green.

      So now I'm wondering if the black tea is processed more than brown or are they both the same.
      Mitral Valve Replacement Surgery, 1999
      Home test weekly since January 2004-Coaguchek S
      October 2006-Coaguchek XS
      INR managed by anti-coagulation clinic

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      • #4
        As I understand it, the only difference between these is that the darker the tea, the more it has been processed.

        I doubt that just drinking tea would make a dramatic drop in the INR. Vitamin K is fat soluble and so very little is extracted into the hot water.

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