cranberry juice does NOT interact with warfarin

June 2007

Researchers now say that cranberry juice does NOT interact with warfarin. Many experts, including us, changed views on this one based on new data.

Case reports originally linked cranberry juice to increased INR and bleeding. It was thought that flavonoids in cranberries inhibit CYP2C9 and reduce warfarin metabolism.

Now new research shows that this DOESN'T happen.

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