Protocol scheme
Study phase and week . | Vitamin K intake, μg/day . |
|---|---|
| Adjustment | |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| Phase I: vitamin K from dietary supplements | |
| 5 | 50 |
| 6 | 100 |
| 7 | 150 |
| 8 | 200 |
| 9 | 250 |
| 10 | 300 |
| 11 | 500 |
| Washout phase | |
| 12 | 0 |
| 13 | 0 |
| Phase II: vitamin K from foods (single meals) | |
| 14 | 1500* |
| 15 | 700* |
| 16 | 103† |
| 17 | 1000‡ |
Study phase and week . | Vitamin K intake, μg/day . |
|---|---|
| Adjustment | |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| Phase I: vitamin K from dietary supplements | |
| 5 | 50 |
| 6 | 100 |
| 7 | 150 |
| 8 | 200 |
| 9 | 250 |
| 10 | 300 |
| 11 | 500 |
| Washout phase | |
| 12 | 0 |
| 13 | 0 |
| Phase II: vitamin K from foods (single meals) | |
| 14 | 1500* |
| 15 | 700* |
| 16 | 103† |
| 17 | 1000‡ |
Vitamin K intakes shown are the supplement doses that each subject received above the intakes obtained from the regular diet (≈ 55 μg/day). In each week the INR was measured 4 times (on Mondays, Tuesdays, Wednesdays, and Fridays), whereas FIIc, FVIIc, ucFII, ucOC, cOC, vitamin K, and TAG were measured twice weekly (on Mondays and Tuesdays).
K1.
MK-9.
MK-7.