You may want to check to see if the ADA has any particular information. In general don't worry so much about vit. The key to anticoagulation is to be consistent. This way an appropriate dose of anticoagulation can be maintained and followed with relative ease. In general, this has not been targetted.
Most people get adequate levels.
In patients on anticoagulation, this is more important. Information contained within this forum is intended solely for general educational purposes and is not intended nor implied to be a substitute for professional medical advice relative to your specific medical condition or question. Only your physician can provide specific diagnoses and therapies. All rights reserved.