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Matti Narkia

The Bioavailability of Vitamin D from Fortified Cheeses and Supplements Is Equivalent i... - 0 views

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    The bioavailability of vitamin D from fortified cheeses and supplements is equivalent in adults.
    Wagner D, Sidhom G, Whiting SJ, Rousseau D, Vieth R.
    J Nutr. 2008 Jul;138(7):1365-71.
    PMID: 18567762

    Compared with baseline, serum parathyroid hormone decreased with both fortification (P = 0.003) and supplementation (P = 0.012). These data demonstrate that vitamin D is equally bioavailable from fortified hard cheeses and supplements, making cheese suitable for vitamin D fortification.
Matti Narkia

Evidence that vitamin D3 increases serum 25-hydroxyvitamin D more efficiently than does... - 0 views

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    Evidence that vitamin D3 increases serum 25-hydroxyvitamin D more efficiently than does vitamin D2.
    Trang HM, Cole DE, Rubin LA, Pierratos A, Siu S, Vieth R.
    Am J Clin Nutr. 1998 Oct;68(4):854-8.
    PMID: 9771862

    Although the 1.7-times
    greater efficacy for vitamin D3 shown here may seem small, it is
    more than what others have shown for 25(OH)D increases when
    comparing 2-fold differences in vitamin D3 dose. The
    assumption that vitamins D2 and D3 have equal nutritional value
    is probably wrong and should be reconsidered.
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