Dietary Reference Intakes for Vitamin K in United States (per day)
| Males | AI |
|---|---|
| 0-6 months | 2 μg |
| 7-12 months | 2.5 μg |
| 1-3 years | 30 μg |
| 4-8 years | 55 μg |
| 9-13 years | 60 μg |
| 14-18 years | 75 μg |
| 19-30 years | 120 μg |
| 31-50 years | 120 μg |
| 50-70 years | 120 μg |
| 70 years and older | 120 μg |
| Females | AI |
|---|---|
| 0-6 months | 2 μg |
| 7-12 months | 2.5 μg |
| 1-3 years | 30 μg |
| 4-8 years | 55 μg |
| 9-13 years | 60 μg |
| 14-18 years | 75 μg |
| 19-30 years | 90 μg |
| 31-50 years | 90 μg |
| 50-70 years | 90 μg |
| 70 years and older | 90 μg |
| Pregnancy | AI |
|---|---|
| less than 18 years | 75 μg |
| 19-30 years | 90 μg |
| 31-50 years | 90 μg |
| Lactation | AI |
|---|---|
| less than 18 years | 75 μg |
| 19-30 years | 90 μg |
| 31-50 years | 90 μg |