The investigation of relationship between nutritional status and success among national team's adult male wrestlers of different countries

micronutrients intake and their daily use and relationship with the success of national team's adult male wrestlers of different countries participating in Tehran Greco-Roman wrestling World Cup. Material and Method: 78 participants of adult elite wrestlers of different national teams and weights from 10 top Greco-Roman wrestling took part in World Cup held in Tehran. The data of demographic characteristics, assessment of nutritional status were collected by 24 hour dietary recall and (FFQ) method. contents and amount of food, the amount of recommended daily energy intake, BMI, the success of wrestlers based on their performance in the world cup were obtained during these 3 days. In addition, the obtained data were analyzed using SPSS version 19. for normal distribution of data, K-S test, to investigate the relationship between variables averages, Pearson and Spearman correlation coefficient, to evaluate the mean difference between the variables, paired t test and ANOVA, and to compare of averages between groups, LSD test was used. Results: There is a significant difference between average energy intake and average recommended daily energy amount in some of the participating teams in the World Cup. While there is difference between average intake of carbohydrates and vitamins among the participating teams, difference was not observed in the mean of energy, protein, fat, minerals intake, BMI and body fat percentage among teams. There was a significant relationship between the percentage of carbohydrates, vitamins, fat intake, BMI, body fat percentage with some performance indicators. There was no significant relationship between protein, minerals energy intake averages and performance indicators among different teams. A significant relationship has been obtained between the percentage of carbohydrates, fats, vitamins and some of the performance indicators and the titles of the participating teams. A significant relationship has been observed between nutrients intake by participating wrestlers in the World Cup in some of weights and their performance indicators. Conclusion: İn this study Inadequate, adequate, balanced and unbalanced nutrition was seen among participating teams. It was determined that the performance was higher in teams with high intake of carbohydrates. Nutrition is one of the important elements of performance. for this reason, more research is felt to be done in the field of sports nutrition and its relationship to success and better achievement. Key Words: Sport Nutrition, Success, Wrestling, Macronutrients, Micronutrients,