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letter
. 2020 Aug 6;93(4):508–511. doi: 10.1111/cen.14276
25(OH)D level (nmol/L) Dose of Colecalciferol prescribed
<13

300 000 international Units oral one‐off dose

Followed by 1600 international Units oral daily

13‐25

200 000 international Units oral one‐off dose

Followed by 800 international Units oral daily

26‐40

100 000 international Units oral one‐off dose

Followed by 800 international Units oral daily

41‐74 800 international Units oral daily
Equal or greater than 75 No replacement