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. 2019 Oct 8;11(10):2405.
doi: 10.3390/nu11102405.

Prevalence and Treatment of Vitamin D Deficiency in Young Male Russian Soccer Players in Winter

Eduard Bezuglov  1   2   3 , Aleksandra Tikhonova  1 , Anastasiya Zueva  1 , Vladimir Khaitin  4 , Zbigniew Waśkiewicz  1   5 , Dagmara Gerasimuk  6 , Aleksandra Żebrowska  7 , Thomas Rosemann  8 , Pantelis Nikolaidis  9 , Beat Knechtle  10   11
Affiliations

Prevalence and Treatment of Vitamin D Deficiency in Young Male Russian Soccer Players in Winter

Eduard Bezuglov et al. Nutrients. .

Abstract

Vitamin D (25(OH)D) insufficiency and deficiency are highly prevalent in adult soccer players and can exceed 80% even in regions with high insolation; however, the treatment of this condition is often complicated. The aim of the present study was to examine the prevalence of vitamin D insufficiency and deficiency in youth Russian soccer players and the efficacy of its treatment. Participants were 131 young male football players (age 15.6 ± 2.4 years). Low vitamin D levels (below 30 ng/mL) were observed in 42.8% of the analyzed participants. These athletes were split in two groups composed of persons with vitamin D deficiency (serum vitamin D below 21 ng/mL) and insufficiency (serum vitamin D in range of 21-29 ng/mL). A dietary supplement of 5000 IU cholecalciferol per day was administered for two months. After the treatment, an average 92% increase in vitamin D concentration was observed (before treatment-19.7 ± 5.4 ng/mL, after treatment-34.7 ± 8.6 ng/mL, p<0.001) and 74% of the post-treatment values were within the reference range (30-60 ng/mL). Serum concentration of vitamin D increased by 200% ± 98% (p<0.001) during the first month of treatment with vitamin D deficiency and insufficiency being successfully treated in 83% of the football players. In summary, the prevalence of vitamin D insufficiency and deficiency was high in young Russian soccer players. Furthermore, it was indicated that the daily usage of cholecalciferol in a dose 5000 IU was an effective and well-tolerated treatment for vitamin D insufficiency. No linear dependency between the duration of treatment and increase in vitamin 25(OH)D concentration was observed.

Keywords: Vitamin D deficiency; cholecalciferol; soccer; treatment of vitamin D3 deficiency; vitamin D3.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Serum level of vitamin 25(OH)D in young soccer players permanently residing in Moscow grouped by status.
Figure 2
Figure 2
Serum concentration of vitamin 25(OH)D (ng/mL) before treatment and after 30 and 60 days of treatment in Group 1, Group 2 and both groups combined.
See this image and copyright information in PMC

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