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First of all, thank you for your fantastic warfarin meals and recipes. I have been on this for about 8 wks now. Have lost about 23 lbs and my warfarin doses have actually changed from 47 1/2 to 37 1/2 per week. It is so seldom that I actually see recipes directed at warfarin users, especially the salads. I do still have one question. I eat the blueberry muffins and also include blueberries and blackberries in my alloted fruits per week. Is this safe or are the berries considered off limits for regular servings of fruit? It seems like I have seen questions or articles in favor of both. Thank You.
Wow! We're really excited for you here at Dr. Gourmet World Headquarters. It's always great to hear about weight loss such as yours and that you like the recipes!
Blackberries and blueberries do have higher amounts of Vitamin K than some fruits, but in an amount might be considered as moderate and not off limits. Each has around 28 micrograms of Vitamin K per cup.
At the same time we know that these berries are great choices for a lot of reasons, including their high proportion of great quality vitamins and antioxidants.
This is one area where consistency is key. As I have written and has been well established, consuming a consistent daily amount of Vitamin K is one of the best ways to keep INR levels stable in those taking Coumadin. By having a cup every day you will be consistent, get great nutrients in your diet and best of all, get to eat fantastic food.
If you have been avoiding them and are going to start, it might be a good idea to check with your doctor and get your INR checked to make sure that it is stable and that no adjustments need to be made.
Thanks for writing,
Timothy S. Harlan, M.D.