Abstract
Many researchers have emphasized the relation between nutrition and development and sustaining performance. Two methods are commonly employed to identify the interaction between physical activity and nutrition. The first consists of administering food with a variety of contents to people engaged in physical activity and observing their performance responses, and the other is concerned with determining the effects of physical activity on nutrition. Therefore, it can be said that there has been a growing interest in the explorations into the relation between exercise and vitamins, minerals, and elements. The present study reports the effects of 6 weeks administration of 300 mg/day vitamin E on the distribution of serum elements in elite taekwondo athletes. Seven male athletes, mean ages 22.1 ± 0.5 years weighing on average 66.4 ± 2.4 kg were included in the study. The athletes had been practicing taekwondo for 10–12 years. Resting blood samples were collected in duplicate before and after supplementation for determination of serum levels of cobalt, boron, cadmium, chromium, nickel, manganese, sulfur, copper, iron, zinc, phosphorus, sodium, potassium, and calcium. Supplementation resulted in significant increases of all elements relative to values before supplementation (p < 0.001), with the exception of boron and sulfur, which remained without change. The results of the present study demonstrate that vitamin E supplementation crucially influences the element and mineral metabolism in elite athletes.
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Acknowledgment
Authors would like to Scientific Research Project of Selcuk University for grant (BAP, project number is 09102038).We thank the Department of Soil Science, Faculty of Agriculture, Selcuk University for providing us with the ICP-AES used for determination of elements.
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Patlar, S., Boyali, E., Baltaci, A.K. et al. Elements in Sera of Elite Taekwondo Athletes: Effects of Vitamin E Supplementation. Biol Trace Elem Res 139, 119–125 (2011). https://doi.org/10.1007/s12011-010-8648-7
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DOI: https://doi.org/10.1007/s12011-010-8648-7