vitamin D 3 are equally effective in increasing and maintaining serum concentrations of 25-
hydroxyvitamin D [25 (OH) D], particularly at lower doses of vitamin D. Objective We aimed
to investigate whether vitamin D 2 or vitamin D 3 fortified in juice or food, at a relatively low
dose of 15 μg/d, was effective in increasing serum total 25 (OH) D and to compare their
respective efficacy in South Asian and white European women over the winter months within …