Survey of prevalence of supplement use and reasons in men national rower athlete of Iran

The purpose of this study was to investigate prevalence of supplement use and reasons in men national rower athlete of Iran. The target population was all national team rower of Iran. Researcher-build questionnaire which was developed to measure prevalence of supplement use and knowledge about doping and side effects distributed between athletes. After translation، questionnaires were evaluated by professor’s faculty of physical education and sport sciences. The reliability analysis yielded Cronbach Alpha values of 0. 81. The collected data was analyzed by descriptive and deductive method spss v. 16 (P<0. 05). The results show that 61. 9 % of rowers use supplements. The reason for using supplement was increase speed (26%)، strength (27%) and endurance (37 %). 67. 9 % of rowers has moderate knowledge about supplements and doping and7. 1 % has good knowledge. Also، the athlete purchase supplements products in pharmacy (39. 3%)، coach/trainer (25%)، friends (14. 3%) and clubs (3. 6%) respectively. It can be concluded that rower athlete in national team should extend their knowledge regarding to the amount of supplement intake and doping.