Recommended dietary allowances for Vitamin D

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  • For U.S. residents 
Life Stage Group Al* # †(μg/day) UL*(μg/day)
Infants
0-6 months 5 25
7-12 months 5 25
Children
1-3 y 5 50
4-6 y 5 50
Males
9-13 y 5 50
14-18 y 5 50
19-30 y 5 50
31-50 y 5 50
51-70 y 10 50
>70 y 15 50
Females
9-13 y 5 50
14-18 y 5 50
19-30 y 5 50
31-50 y 5 50
51-70 y 10 50
>70 y 15 50
Pregnancy and Lactation
     £18 y 5 50
      19-50 y 5 50

*Abbreviations      

AI  =   Adequate intake      

UL  =   Tolerable upper intake level     

#   In the absence of adequate exposure to sunlight       

†   As cholecalciferol 1 μg cholecalciferol = 40 IU vitamin D