At a glance
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The Prevalence of Vitamin D Insufficiency in Primary School Children and Comparison of the Effect of Calcium-Vitamin D-Fortified Milk, -Orange Juice and Calcium-Vitamin D Supplement
In Brief
A Phase 3 clinical trial evaluating fortified milk, plain milk, and 4 other interventions for Vitamin D Status and Healthy. Completed, enrolled 585 participants.
Detailed Summary
This study is conducted in two phases. At the first phase, the prevalence of vitamin D insufficiency in primary school-children in Tehran is determined during the cold seasons of 2008. Then, the efficacy of calcium-vitamin D-fortified milk, -orange juice and supplement is compared in six selected primary schools.
Study Details
Timeline
Interventions
daily intake of milk fortified with 100 IU vitamin D and 500 mg calcium/200 ml package for 10 weeks
daily intake of 200 ml plain milk
daily intake of orange juice fortified with 100 IU vitamin D and 500 mg calcium/250 ml package
daily intake of 250 ml plain orange juice
daily calcium-vitamin D supplement (500 mg calcium + 200 IU vitamin D)
daily placebo