• beverley howes beverley howes
    May 08, 2008
    does green tea affect coumadin
    beverley howes beverley howes
    May 08, 2008

    My INR tested 2.1 down from 2.4 and was wondering if green tea, vinegar would make it go down. 

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FROM OUR EXPERTS

  • Jill
    Health Pro
    June 02, 2008
    Jill
    Health Pro
    June 02, 2008

    Hi Beverly,

    Green tea can affect INR readings when a person is taking warfarin. This combination usually increases INR, making patients more likely to bleed. This does not mean that you cannot drink green tea while on warfarin therapy, but it is important to keep your green tea intake consistant- don't drink a lot one day and then not drink it for awhile.

    Thanks for your question!

    Jill

    • Hersey
      February 09, 2011
      Hersey
      February 09, 2011

      I believe your answer is incorrect. Green tea typically will DECREASE ones inr although one would have to drink a lot if green tea to make it decrease enough for concern.


      Here's just one link - http://www.heartpoint.com/coumadin.html


      What foods are high in Vitamin K?

      * Kale, spinach, and many green leafy vegetables.
      * Broccoli, cauliflower, and brussel sprouts.
      * Green tea

       

      A google search with "green tea" & "INR" will give many links.

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FROM OUR COMMUNITY

  • louise birkenfeld January 09, 2009
    louise birkenfeld
    January 09, 2009
  • chubber911 October 28, 2009
    chubber911
    October 28, 2009

    Green tea does NOT increase your INR.   One cup of green tea has 0.03mcg of vitamin K per 3.5 fluid ounces.  If anything, drinking too much green tea lowers your INR.  Please check facts before spreading false information.  When it comes to clotting disorders and issues I find so many people spreading false information, which in turn causes many problems for people suffering from these disorders/conditions.

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