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. 2021 Jul 9;11:20451253211027699. doi: 10.1177/20451253211027699

Table 1.

Recommendation for daily VIT-D intake in US, Australia, UK and Europe.11,19,30,31

Age Australia Europe UK US
 VIT-D intake µg/day a
>1 year 5 b 10 c 8.5–10 d 10 b
1–18 years 5 15 10 15
18–50 years 5 15 10 15
51–70 years 10 15 15
>70 years 15 15 20
a

Conversion factor from µg to IU = 40, 1 µg cholecalciferol = 0.2 µg 25(OH)D; 1 IU = 0.025 µg cholecalciferol or 0.005 µg 25(OH)D.

b

Infants 0–12 months.

c

Infants 7–11 months.

d

Babies up to 1 year of age.

IU, international units; UK, United Kingdom; US, United States; VIT-D, vitamin D.