More specifically, the researchers calculated from their data that a total input of 70-80 IU/day/kg-of-body-weight is needed to achieve 25(OH)D of 40 ng/mL.
http://updates.pain-topics.org/2013/12/is-5000-iuday-of-vitamin-d-enough-for.html?m=1
More specifically, the researchers calculated from their data that a total input of 70-80 IU/day/kg-of-body-weight is needed to achieve 25(OH)D of 40 ng/mL.
http://updates.pain-topics.org/2013/12/is-5000-iuday-of-vitamin-d-enough-for.html?m=1