scholarly journals Effect of vitamin D3 supplementation on Staphylococcus aureus nasal carriage: a randomized, double-blind, placebo-controlled trial in healthy adults

2014 ◽  
Vol 20 (5) ◽  
pp. 453-458 ◽  
Author(s):  
S. Slow ◽  
P.C. Priest ◽  
S.T. Chambers ◽  
A.W. Stewart ◽  
L.C. Jennings ◽  
...  
2020 ◽  
Vol 7 (7) ◽  
pp. e463-e471 ◽  
Author(s):  
Christopher R Sudfeld ◽  
Ferdinand Mugusi ◽  
Alfa Muhihi ◽  
Said Aboud ◽  
Tumaini J Nagu ◽  
...  

2018 ◽  
Vol 29 (7) ◽  
pp. 648-657 ◽  
Author(s):  
Michelle A. Ingram ◽  
M. Beatrix Jones ◽  
Welma Stonehouse ◽  
Paul Jarrett ◽  
Robert Scragg ◽  
...  

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Vol 45 (1) ◽  
pp. 191-198
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Sun Hee Hyun ◽  
Ha-Young Ahn ◽  
Hyeong-Jun Kim ◽  
Sung Won Kim ◽  
Seung-Ho So ◽  
...  

2019 ◽  
Vol 75 (4) ◽  
pp. 231-237 ◽  
Author(s):  
Xiaomin Sun ◽  
Kumpei Tanisawa ◽  
Yuping Zhang ◽  
Tomoko Ito ◽  
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Introduction: This study aimed to clarify whether 1 year of vitamin D3 supplementation has a direct effect on body composition and physical fitness in healthy adults. Methods: Ninety-five participants randomly received either 420 IU vitamin D3 per day (n = 48) or placebo (n = 47) in a double-blind manner for 1 year. Lean body mass and percentage body fat were determined. Physical fitness including hand grip strength, leg extension power and cardiorespiratory fitness (CRF) were assessed. Serum 25-hydroxyvitamin D (25[OH]D) and 1,25-dihydroxyvitamin D (1,25[OH]2D) concentrations were assessed using ELISA kits. Results: Serum 25(OH)D and (1,25[OH]2D) concentrations significantly increased by approximately 11.2 ± 9.2 ng/mL (pinteraction <0.001)and 7.0 ± 7.8 pg/mL (pinteraction <0.001) after 1 year of vitamin D3 supplementation respectively. Lean body mass significantly increased from 43.8 ± 9.6 to 44.3 ± 9.8 kg in vitamin D group, while no change was observed in placebo group (from 42.6 ± 8.9 to 42.4± 8.9 kg) after 1 year intervention. Furthermore, no treatment effects on other indicators of body composition and physical fitness were observed. Conclusions:One year of vitamin D supplementation effectively improves lean body mass, but not muscle strength and CRF in healthy adults.


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