Table 2.
Dietary Reference Intakes for Vitamin D by Life Stage Group
| DRI Values (μg/day) |
||
|---|---|---|
| AIa,b,c | ULd | |
| Life stage group e | ||
| 0 through 6 mo | 5 | 25 |
| 7 through 12 mo | 5 | 25 |
| 1 through 3 y | 5 | 50 |
| 4 through 8 y | 5 | 50 |
| 9 through 13 y | 5 | 50 |
| 14 through 18 y | 5 | 50 |
| 19 through 30 y | 5 | 50 |
| 31 through 50 y | 5 | 50 |
| 51 through 70 y | 10 | 50 |
| > 70 y | 15 | 50 |
| Pregnancy | ||
| ≥ 18 y | 5 | 50 |
| 19 through 50 y | 5 | 50 |
| Lactation | ||
| ≥ 18 y | 5 | 50 |
| 19 through 50 y | 5 | 50 |
a
AI = Adequate Intake.
b
As cholecalciferol. 1 ≥g cholecalciferol = 40 IU vitamin D.
c
In the absence of adequate exposure to sunlight.
d
UL = Tolerable Upper Intake Level. Unless otherwise specified, the UL represents total intake from food, water, and supplements.
e
All groups except Pregnancy and Lactation represent males and females.
Reprinted with permission from Otten JJ, Hellwig JP, Meyers LD (Eds). Dietary Reference Intakes: The essential guide to nutrient requirements. Washington, DC: National Academies Press; 2006.