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Find out the exact amount of Vitamin K (in micrograms) of almost a thousand common foods! Listed both alphabetically and then in order of the amount of Vitamin K in the food, this list will help you know exactly how much Vitamin K you're eating. Just $4.95 for the eBook or $12.95 for the paperback book! Shop now!
It's easy to get answers about health and nutrition! Just send your question by email to firstname.lastname@example.org and Dr. Harlan will respond to selected questions of general interest. Answers will be posted in the Ask Dr. Gourmet newsletter (sign up now!) and archived in the Ask Dr. Gourmet section of the website.
There is information about cranberry juice interacting with Coumadin (warfarin), however, I would like to request information about the interaction of grapefruit with Coumadin (warfarin) and if it is contraindicated.
While cranberry juice is safe with Coumadin (warfarin), grapefruit and grapefruit juice is most definitely contraindicated (to be avoided) - not only with Coumadin but with many other medications.
Here's information on Coumadin and cranberry juice:
Older information: Should you avoid cranberry juice while on Coumadin (warfarin)?
Most recent information: Should you avoid cranberries and cranberry juice while on Coumadin (warfarin) [Updated!]
And information on grapefruit:
Thanks for writing.
Timothy S. Harlan, MD, FACP
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