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The Bioavailability of Vitamin D from Fortified Cheeses and Supplements Is Equivalent in Adults1,2
- Article from:
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The Journal of Nutrition
- Article date:
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July 1, 2008
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Copyright informationCopyright American Institute of Nutrition Jul 2008. Provided by ProQuest LLC. (Hide copyright information)
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Abstract
There is a need to increase the options for vitamin D fortification. We have developed a method to fortify hard cheese with vitamin D. Our aim was to characterize the bioavailability of vitamin D from fortified cheeses. Eighty adults were randomized to weekly servings of fortified Cheddar cheese (DC) (34 g; n = 20); fortified low-fat cheese (DLF) (41 g; n = 10); liquid vitamin D supplement (1 mL), taken with food (DS +) (n = 20) or without food (DS-) (n = 10); placebo cheddar cheese (n = 10); or placebo supplement (n = 10). The treatments contained 28,000 IU cholecalciferol (vitamin D3), equivalent to 4000 IU (100 µg/d). The primary outcome was the comparison of vitamin D ...
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