vitamin K SUPPLEMENTS used in some warfarin patients

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

In the past, clinicians often advised warfarin patients to avoid foods high in vitamin K...for fear warfarin wouldn'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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