This project aims at proving the efficacy and safety of food based solutions to prevent vitamin D deficiency in high risk populations of Caucasian and South Asian origin living in Denmark.
The study is a 12 week double-blinded, randomised, placebo-controlled food-based intervention trial in a real-life setting. 140 (18-50 y) women in risk of vitamin D deficiency and with Caucasian or South Asian origin. The two ethnic groups of women will each be randomised into two groups. One receiving vitamin D fortified foods and the other receiving the same kind of foods non-fortified. Foods given in the study period are free of charge for the participants and will be handed out every second week. The foods are eggs, yoghurt, cheese and crisp bread. The study includes a baseline visit and a final visit, at both visits blood samples will be drawn, anthropometrics, muscle strengths, dietary and background questionnaires.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Enrollment
143
The non-fortified placebo foods are eggs, cheese, yoghurt and crisp bread (without vitamin D added).
The fortified intervention foods are eggs, cheese, yoghurt and crisp bread (with about 20 mcg/day).
Technical University of Denmark
Søborg, Denmark
The change in vitamin D status measured as serum 25-hydroxyvitamin D
Time frame: 12 weeks
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