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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Vitamin C and E Supplementation Effects in Professional Soccer Players Under Regular Training

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Author(s):
Zoppi, Claudio C. [1] ; Hohl, Rodrigo [2] ; Silva, Fernando C. [2] ; Lazarim, Fernanda L. [2] ; Antunes Neto, Joaquim M. F. [2] ; Stancanneli, Mirtes [2] ; Macedo, Denise V. [2]
Total Authors: 7
Affiliation:
[1] Fac Social Bahia, Lab Pesquisa Exercicio, Salvador, BA - Brazil
[2] Univ Estadual Campinas, Lab Bioquim Exercicio LABEX, Campinas - Brazil
Total Affiliations: 2
Document type: Journal article
Source: JOURNAL OF THE INTERNATIONAL SOCIETY OF SPORTS NUTRITION; v. 3, DEC 2006.
Web of Science Citations: 17
Abstract

Exercise training is known to induce an increase in free radical production potentially leading to enhanced muscle injury. Vitamins C and E are well known antioxidants that may prevent muscle cell damage. The purpose of this study was to determine the effects of these supplemental antioxidant vitamins on markers of oxidative stress, muscle damage and performance of elite soccer players. Ten male young soccer players were divided into two groups. Supplementation group (n=5) received vitamins C and E supplementation daily during the pre-competitive season (S group), while the placebo group (PL group, n=5) received a pill containing maltodextrin. Both groups performed the same training load during the three-month pre-season training period. Erythrocyte antioxidant enzymes glutathione reductase, catalase and plasma carbonyl derivatives did not show any significant variation among the experimental groups. Similarly, fitness level markers did not differ among the experimental groups. However, S group demonstrated lower lipid peroxidation and muscle damage levels (p<0.05) compared to PL group at the final phase of pre-competitive season. In conclusion, our data demonstrated that vitamin C and E supplementation in soccer players may reduce lipid peroxidation and muscle damage during high intensity efforts, but did not enhance performance. Journal of the International Society of Sports Nutrition. 3(2): 37-44, 2006 (AU)