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Effect of vitamin D supplementation on depressive symptoms and psychological wellbeing in healthy adult women: a double-blind randomised controlled clinical trial
- Maria A. Choukri, Tamlin S. Conner, Jill J. Haszard, Michelle J. Harper, Lisa A. Houghton
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- Journal:
- Journal of Nutritional Science / Volume 7 / 2018
- Published online by Cambridge University Press:
- 23 August 2018, e23
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Epidemiological evidence has linked low vitamin D status to a range of mood disorders. However, studies examining whether vitamin D supplementation can improve mood-related outcomes in healthy populations are limited. We investigated whether vitamin D supplementation over winter is beneficial for improving mood-related outcomes in healthy women. A total of 152 healthy women (18–40 years) in Dunedin, New Zealand were randomly assigned to receive 50 000 IU (1·25 mg) of oral vitamin D3 or placebo once per month for 6 months. They completed the Center for Epidemiologic Studies Depression Scale, the anxiety subscale of the Hospital Anxiety and Depression Scale and the Flourishing Scale every month. Additionally, they reported their positive and negative mood each day for three consecutive days every 2 months. Participants provided a blood sample at the beginning and at the end of the study for 25-hydroxyvitamin D3 analysis. ANCOVA was used to compare the outcome measures between the groups, controlling for baseline. We found no evidence of lower depression (P = 0·339), lower anxiety (P = 0·862), higher flourishing (P = 0·453), higher positive moods (P = 0·518) or lower negative moods (P = 0·538) in the treatment group compared with the control group at follow-up. Mood outcomes over the study period were similar for the two groups. We found no evidence of any beneficial effect of monthly vitamin D3 supplementation on mood-related outcomes in healthy premenopausal women over the winter period, so recommendations for supplementations are not warranted in this population for mood-related outcomes.
Vitamin D status and its predictors in New Zealand aged-care residents eligible for a government-funded universal vitamin D supplementation programme
- Sue O MacDonell, Jody C Miller, Michelle J Harper, Debra L Waters, Lisa A Houghton
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- Journal:
- Public Health Nutrition / Volume 19 / Issue 18 / December 2016
- Published online by Cambridge University Press:
- 25 July 2016, pp. 3349-3360
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Objective
The provision of prescribed vitamin D to all aged-care residents has been implemented in New Zealand as part of a government-led falls prevention programme. To our knowledge, there has been no evaluation of this universal programme on vitamin D status and functional and health outcomes. Thus, we aimed to determine 25-hydroxyvitamin D (25(OH)D) concentrations and their predictors in aged-care residents across the country and to investigate whether the government-funded programme was associated with adequate vitamin D status.
DesignCross-sectional survey of sociodemographic, biochemical, anthropometric, dietary and health characteristics. Blood samples were analysed for serum 25(OH)D and other biochemical measures. Multiple regression was used to examine predictors of vitamin D status.
SettingSixteen residential aged-care facilities throughout New Zealand.
SubjectsResidents aged ≥60 years with residency duration >12 weeks (n 309).
ResultsMean serum 25(OH)D was 89·9 (95 % CI 85·2, 94·5) nmol/l and monthly supplements (1250 µg (50 000 IU)) were taken by 75 % of all residents. Of those not taking a funded supplement, 65·3 % had serum 25(OH)D <50 nmol/l compared with only 1·5 % of supplement users. Being female, residing at lower latitude, increasing duration of aged-care residency and raised serum α1-acid glycoprotein were positively associated with higher 25(OH)D concentrations. Supplemental vitamin D from all sources was the strongest predictor, increasing serum 25(OH)D levels by more than 70 nmol/l. Furthermore, 25 % of participants had serum 25(OH)D levels >125 nmol/l.
ConclusionsResidents taking supplemental vitamin D had adequate vitamin D status; however monitoring of long-term supplementation should be considered, due to the high proportion of participants with high serum 25(OH)D levels.
Long-term vitamin D3 supplementation is more effective than vitamin D2 in maintaining serum 25-hydroxyvitamin D status over the winter months
- Victoria F. Logan, Andrew R. Gray, Meredith C. Peddie, Michelle J. Harper, Lisa A. Houghton
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- Journal:
- British Journal of Nutrition / Volume 109 / Issue 6 / 28 March 2013
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- 11 July 2012, pp. 1082-1088
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- 28 March 2013
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Public health recommendations do not distinguish between vitamin D2 and vitamin D3, yet disagreement exists on whether these two forms should be considered equivalent. The objective of the present study was to evaluate the effect of a daily physiological dose of vitamin D2 or vitamin D3 on 25-hydroxyvitamin D (25(OH)D) status over the winter months in healthy adults living in Dunedin, New Zealand (latitude 46°S). Participants aged 18–50 years were randomly assigned to 25 μg (1000 IU) vitamin D3 (n 32), 25 μg (1000 IU) vitamin D2 (n 31) or placebo (n 32) daily for 25 weeks beginning at the end of summer. A per-protocol approach, which included ≥ 90 % supplement compliance, was used for all analyses. Serum 25-hydroxyvitamin D3 (25(OH)D3), 25-hydroxyvitamin D2 (25(OH)D2) and parathyroid hormone (PTH) were measured at baseline and at 4, 8, 13 and 25 weeks. Geometric mean total serum 25(OH)D concentrations (sum of 25(OH)D2 and 25(OH)D3) at baseline was 80 nmol/l. After 25 weeks, participants randomised to D2 and placebo had a significant reduction in serum 25(OH)D3 concentrations over the winter months compared with vitamin D3-supplemented participants (both P< 0·001). Supplementation with vitamin D2 increased serum 25(OH)D2 but produced a 9 (95 % CI 1, 17) nmol/l greater decline in the 25(OH)D3 metabolite compared with placebo (P< 0·036). Overall, total serum 25(OH)D concentrations were 21 (95 % CI 14, 30) nmol/l lower in participants receiving vitamin D2 compared with those receiving D3 (P< 0·001), among whom total serum 25(OH)D concentrations remained unchanged. No intervention-related changes in PTH were observed. Daily supplementation of vitamin D3 was more effective than D2; however, the functional consequence of the differing metabolic response warrants further investigation.
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- By Rose Teteki Abbey, K. C. Abraham, David Tuesday Adamo, LeRoy H. Aden, Efrain Agosto, Victor Aguilan, Gillian T. W. Ahlgren, Charanjit Kaur AjitSingh, Dorothy B E A Akoto, Giuseppe Alberigo, Daniel E. Albrecht, Ruth Albrecht, Daniel O. Aleshire, Urs Altermatt, Anand Amaladass, Michael Amaladoss, James N. Amanze, Lesley G. Anderson, Thomas C. Anderson, Victor Anderson, Hope S. Antone, María Pilar Aquino, Paula Arai, Victorio Araya Guillén, S. Wesley Ariarajah, Ellen T. Armour, Brett Gregory Armstrong, Atsuhiro Asano, Naim Stifan Ateek, Mahmoud Ayoub, John Alembillah Azumah, Mercedes L. García Bachmann, Irena Backus, J. Wayne Baker, Mieke Bal, Lewis V. Baldwin, William Barbieri, António Barbosa da Silva, David Basinger, Bolaji Olukemi Bateye, Oswald Bayer, Daniel H. Bays, Rosalie Beck, Nancy Elizabeth Bedford, Guy-Thomas Bedouelle, Chorbishop Seely Beggiani, Wolfgang Behringer, Christopher M. Bellitto, Byard Bennett, Harold V. Bennett, Teresa Berger, Miguel A. 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Yee, Viktor Yelensky, Yeo Khiok-Khng, Gustav K. K. Yeung, Angela Yiu, Amos Yong, Yong Ting Jin, You Bin, Youhanna Nessim Youssef, Eliana Yunes, Robert Michael Zaller, Valarie H. Ziegler, Barbara Brown Zikmund, Joyce Ann Zimmerman, Aurora Zlotnik, Zhuo Xinping
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- The Cambridge Dictionary of Christianity
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- By Sonia Ancoli-Israel, Ragnar Asplund, Michel Billiard, Theresa M. Buckley, Rohit Budhiraja, Robert N. Butler, Daniel J. Buysse, Scott S. Campbell, Daniel P. Cardinali, Julie Carrier, Cynthia L. Comella, Jana R. Cooke, Pietro Cortelli, Agnès Demazieres, Glenna A. Dowling, Luigi Ferini-Strambi, Philip R. Gehrman, Nalaka Sudheera Gooneratne, David S. Hallegua, Patrick J. Hanly, David G. Harper, Orla P. Hornung, Magdolna Hornyak, Michal Karasek, Milton Kramer, Andrew D. Krystal, Malcolm H. Lader, Rachel Leproult, Kenneth L. Lichstein, Andrea H.S. Loewen, Rémy Luthringer, Laurin J. Mack, Evelyn Mai, Atul Malhotra, Jennifer L. Martin, Judy Mastick, Monique A.J. Mets, Andrew A. Monjan, Timothy H. Monk, Daniel Monti, Jaime M. Monti, Patricia J. Murphy, C. Ineke Neutel, Eric A. Nofzinger, Seithikurippu R. Pandi-Perumal, Scott B. Patton, Donald B. Penzien, Max H. Pittler, Giora Pillar, Marc J. Poulin, Louis J. Ptácek, Stuart F. Quan, Jeanetta C. Rains, Megan E. Ruiter, Bruce D. Rybarczyk, Colin M. Shapiro, Vijay Kumar Sharma, D. Warren Spence, Kai Spiegelhalder, Luc Staner, Stephanie A. Studenski, Nikola N. Trajanovic, Eve Van Cauter, Gregory S. Vander Wal, Joris C. Verster, Aleksandar Videnovic, Matthew P. Walker, Daniel J. Wallace, David K. Welsh, David P. White, Barbara Wider, Theresa B. Young, Stefano Zanigni
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- Principles and Practice of Geriatric Sleep Medicine
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