Maybe: Look at the components of the vitamin. If vitamin k is an ingredient, it may interfere with the effect of coumadin, (warfarin) in which case you would not want to start it untill you had discussed it with your doctor.
Answered 1/3/2013
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Vitamins & Coumadin (warfarin): Before taking any vitamin supplements, please make sure that they don't contain any vitamin k (phytonadione). Also be wary of anything that contains garlic, ginseng, gingko, or oily supplements such as vitamin E or fish oil since these can further thin the blood and increase the risk of bleeding while taking coumadin (warfarin).
Answered 4/16/2015
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