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Modelling 25-hydroxyvitamin D responses to different recommended daily intakes of vitamin D

You, T.; Muhamad, N.; Jenner, J.; Huang, Z.

2023-06-20 pharmacology and therapeutics
10.1101/2023.06.16.23291505 medRxiv
Show abstract

The reference nutrient intake for vitamin D in people aged [≥] 4 years is 10 g/day in the UK, which contrasts with the recommended daily allowance of 15 g/day for people aged 1-70 years in the USA. Using modelling of published data, we compared 95% confidence intervals for serum concentrations of 25-hydroxyvitamin D3 (25(OH)D3) attained in response to these two doses. 97.5% of those taking 10 g/day vs. 15 g/day were predicted to attain circulating 25(OH)D concentrations >44 nmol/L vs. 50 nmol/L, respectively.

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