4,000 IU of Vitamin D is OK - 19 organizations agree - 2018


US
Institute of Medicine
Endocrine Society, Vitamin D Council
American Academy of Pediatrics (AAP)
American Academy of Dev. Medicine and Dentistry
Europe
Scientific Advisory Committee on Nutrition (UK)
European Food Safety Authority
Central Europe consensus
Italian Endocrinologists, Italian Consensus
Nutrition - French Society of Paediatrics
European Society for Paediatric Gastroenterology ....
European Society for Clinical and Economic Aspects of Osteo...
The Nordic Council of Ministers
Health Council of the Netherlands


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Most of the groups around the world say that 4,000 IU can be taken
   without checking with a doctor or having a vitamin D test
A few groups did not specify an upper limit for adults

Global Vitamin D recommendations - summer 2018 = Source of the data for the chart


Additional organizations which have also stated that 4,000 IU is OK


See also VitaminDWiki

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Non-daily

Some countries unfortunately allow only a maximum of 1,000 IU capsules to be sold
Canada, Germany, New Zealand, etc.
short UTL = is.gd/Vitd4000



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