vitamin K SUPPLEMENTS used in some warfarin patients

June 2009

You'll see vitamin K SUPPLEMENTS used in some warfarin patients.

Patients on warfarin are often told to avoid foods high in vitamin K...for fear the warfarin won't work as well.

But it turns out a diet too low in vitamin K makes it MORE difficult to manage INR...because any change in dietary vitamin K can translate into big fluctuations in INR.

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