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. 2018 Apr 27;10(5):546. doi: 10.3390/nu10050546

  • We recommend a dosage of vitamin D up to a maximum of 4000 IU/day.

  • We recommend against doses above 10,000 IU/day.

  • We suggest a careful surveillance of any possible intake, because patients might inadvertently assume products containing additional amounts of vitamin D.