作者
Laura Tripkovic, Louise R Wilson, Kathryn Hart, Sig Johnsen, Simon De Lusignan, Colin P Smith, Giselda Bucca, Simon Penson, Gemma Chope, Ruan Elliott, Elina Hyppönen, Jacqueline L Berry, Susan A Lanham-New
发表日期
2017/8/1
期刊
The American journal of clinical nutrition
卷号
106
期号
2
页码范围
481-490
出版商
Elsevier
简介
Background
There are conflicting views in the literature as to whether vitamin D2 and vitamin D3 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 D2 or vitamin D3 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 the setting of a large randomized controlled trial.
Design
A randomized, double-blind, placebo-controlled food-fortification trial was conducted in healthy South Asian and white European women aged 20–64 y (n = 335; Surrey, United Kingdom) who consumed placebo, juice supplemented with 15 μg vitamin D2, biscuit supplemented with 15 μg vitamin D2, juice supplemented with 15 μg …
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L Tripkovic, LR Wilson, K Hart, S Johnsen… - The American journal of clinical nutrition, 2017