Here’s a quick comparison to help you see the difference:
- Leafy greens (food): Provide steady, moderate amounts that your body processes gradually. Consistent intake (not huge swings day-to-day) is usually recommended for those on blood thinners.
- High-dose supplements: Can deliver 100–500 mcg or more per pill, far above the typical daily need of 90–120 mcg for adults. This sudden boost may interfere with anticoagulant therapy.
Studies emphasize that patients on warfarin should keep vitamin K intake relatively stable rather than eliminating it. Large or erratic changes are what doctors watch most closely.
