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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

Effects of vitamin D supplementation on symptoms of depression in overweight and obese ... - 0 views

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    Effects of vitamin D supplementation on symptoms of depression in overweight and obese subjects: randomized double blind trial.
    Jorde R, Sneve M, Figenschau Y, Svartberg J, Waterloo K.
    J Intern Med. 2008 Dec;264(6):599-609. Epub 2008 Sep 10.
    PMID: 18793245

    Conclusions. It appears to be a relation between serum levels of 25(OH)D and symptoms of depression. Supplementation with high doses of vitamin D seems to ameliorate these symptoms indicating a possible causal relationship.
Matti Narkia

Calcium Plus Vitamin D Supplementation and the Risk of Breast Cancer -- Chlebowski et a... - 0 views

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    Calcium plus vitamin D supplementation and the risk of breast cancer.
    Chlebowski RT, Johnson KC, Kooperberg C, Pettinger M, Wactawski-Wende J, Rohan T, Rossouw J, Lane D, O'Sullivan MJ, Yasmeen S, Hiatt RA, Shikany JM, Vitolins M, Khandekar J, Hubbell FA; Women's Health Initiative Investigators.
    J Natl Cancer Inst. 2008 Nov 19;100(22):1581-91. Epub 2008 Nov 11.
    PMID: 19001601
Matti Narkia

Calcium and vitamin d supplementation decreases incidence of stress fractures in female... - 0 views

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    Calcium and vitamin d supplementation decreases incidence of stress fractures in female navy recruits.
    Lappe J, Cullen D, Haynatzki G, Recker R, Ahlf R, Thompson K.
    J Bone Miner Res. 2008 May;23(5):741-9.
    PMID: 18433305
    doi: 10.1359/jbmr.080102

    Conclusions: Generalizing the findings to the population of 14,416 women who entered basic training at the Great Lakes during the 24 mo of recruitment, calcium and vitamin D supplementation for the entire cohort would have prevented 187 persons from fracturing. Such a decrease in SFx would be associated with a significant decrease in morbidity and financial costs.
Matti Narkia

Vitamin D2 Is as Effective as Vitamin D3 in Maintaining Circulating Concentrations of 2... - 0 views

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    Vitamin D2 is as effective as vitamin D3 in maintaining circulating concentrations of 25-hydroxyvitamin D.
    Holick MF, Biancuzzo RM, Chen TC, Klein EK, Young A, Bibuld D, Reitz R, Salameh W, Ameri A, Tannenbaum AD.
    J Clin Endocrinol Metab. 2008 Mar;93(3):677-81. Epub 2007 Dec 18.
    PMID: 18089691

    Conclusion: A 1000 IU dose of vitamin D2 daily was as effective as 1000 IU vitamin D3 in maintaining serum 25-hydroxyvitamin D levels and did not negatively influence serum 25-hydroxyvitamin D3 levels. Therefore, vitamin D2 is equally as effective as vitamin D3 in maintaining 25-hydroxyvitamin D status.
Matti Narkia

Comparison of Daily, Weekly, and Monthly Vitamin D3 in Ethanol Dosing Protocols for Two... - 0 views

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    Comparison of daily, weekly, and monthly vitamin D3 in ethanol dosing protocols for two months in elderly hip fracture patients.
    Ish-Shalom S, Segal E, Salganik T, Raz B, Bromberg IL, Vieth R.
    J Clin Endocrinol Metab. 2008 Sep;93(9):3430-5. Epub 2008 Jun 10.
    PMID: 18544622
    doi:10.1210/jc.2008-0241

    CONCLUSIONS: Supplementation with vitamin D can be achieved equally well with daily, weekly, or monthly dosing frequencies. Therefore, the choice of dose frequency can be based on whichever approach will optimize an individual's adherence with long-term vitamin D supplementation.
Matti Narkia

Vitamin D intake to attain a desired serum 25-hydroxyvitamin D concentration -- Aloia e... - 0 views

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    Vitamin D intake to attain a desired serum 25-hydroxyvitamin D concentration.
    Aloia JF, Patel M, Dimaano R, Li-Ng M, Talwar SA, Mikhail M, Pollack S, Yeh JK.
    Am J Clin Nutr. 2008 Jun;87(6):1952-8.
    PMID: 18541590

    The mean daily dose was 86 microg (3440 IU). The use of computer simulations to obtain the most participants within the range of 75-220 nmol/L predicted an optimal daily dose of 115 microg/d (4600 IU). No hypercalcemia or hypercalciuria was observed. CONCLUSIONS: Determination of the intake required to attain serum 25(OH)D concentrations >75 nmol/L must consider the wide variability in the dose-response curve and basal 25(OH)D concentrations. Projection of the dose-response curves observed in this convenience sample onto the population of the third National Health and Nutrition Examination Survey suggests a dose of 95 microg/d (3800 IU) for those above a 25(OH)D threshold of 55 nmol/L and a dose of 125 microg/d (5000 IU) for those below that threshold.
Matti Narkia

Short- and Long-Term Safety of Weekly High-Dose Vitamin D3 Supplementation in School Ch... - 0 views

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    Conclusion: Vitamin D3 at doses equivalent to 2000 IU/d for 1 yr is safe in adolescents and results in desirable vitamin D levels.

    Short- and long-term safety of weekly high-dose vitamin D3 supplementation in school children.
    Maalouf J, Nabulsi M, Vieth R, Kimball S, El-Rassi R, Mahfoud Z, El-Hajj Fuleihan G.
    J Clin Endocrinol Metab. 2008 Jul;93(7):2693-701. Epub 2008 Apr 29.
    PMID: 18445674
    doi:10.1210/jc.2007-2530
Matti Narkia

Estimation of the dietary requirement for vitamin D in healthy adults. - 0 views

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    Estimation of the dietary requirement for vitamin D in healthy adults.\nCashman KD, Hill TR, Lucey AJ, Taylor N, Seamans KM, Muldowney S, Fitzgerald AP, Flynn A, Barnes MS, Horigan G, Bonham MP, Duffy EM, Strain JJ, Wallace JM, Kiely M.\nAm J Clin Nutr. 2008 Dec;88(6):1535-42.\nPMID: 19064513 [
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