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  • 标题:The Effect of Vitamin D3 Supplementation on Physical Capacity among Active College-Aged Males
  • 本地全文:下载
  • 作者:Sylwester Kujach ; Dariusz Lyzwinski ; Maciej Chroboczek
  • 期刊名称:Nutrients
  • 电子版ISSN:2072-6643
  • 出版年度:2020
  • 卷号:12
  • 期号:7
  • 页码:1936-1948
  • DOI:10.3390/nu12071936
  • 出版社:MDPI Publishing
  • 摘要:Vitamin D3 supplementation can affect strength and power; however, the effect on both aerobic and anaerobic performance remains unclear. Here, we investigate the effects of eight weeks of a high dose of vitamin D3 supplementation and its impact on circulating 25-hydroxyvitamin D (25-OH-D3) concentrations and selected indicators of physical capacity. Subjects (n = 28, age 21.1 ± 1.6) were divided into two groups: supplemented (SUP), which was given 6000 IU of vitamin D3 daily for eight weeks; and placebo group (PLA). Serum 25-OH-D3 concentrations were determined in pre- and post-intervention. Aerobic ( V . O2max test) and anaerobic (Wingate Anaerobic Test) capacity were determined before and after the supplementation. The mean baseline concentration of 25-OH-D3 was recognized as deficient (20 ng/mL) and significantly increased over time in the supplemented group (p < 0.01, η2 = 0.86), whilst it remained unchanged in the placebo group. Moreover, the supplementation caused a significant improvement in maximal aerobic (p < 0.05, η2 = 0.27) and anaerobic power (p < 0.01, η2 = 0.51) whereas no changes were observed in PLA group. The V . O2max differences were also significant in the supplemented group (p < 0.05). In summary, the changes in aerobic and anaerobic capacity observed in this study were associated with a serum concentration of 25-OH-D3. Our data imply that vitamin D3 supplementation with a dose of 6000 IU daily for eight weeks is sufficient to improve physical capacity and vitamin D3 status.
  • 关键词:vitamin D; physical capacity; vitamin D 3 supplementation; anaerobic capacity; aerobic capacity vitamin D ; physical capacity ; vitamin D 3 supplementation ; anaerobic capacity ; aerobic capacity
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