探討國內橄欖球選手使用營養補充劑之情況。方法：採問卷調查方式，共349 位橄欖球選手完成問卷，回收率達96.9%。問卷內容主要包含：個人基本資料、營養補充劑使用狀況（包含：使用項目、時機與頻率）、使用或未使用之考量因素與訊息來源等三大部分。所得資料以描述性統計分析。結果：本研究顯示使用營養補充劑使用率為74.4%。在各類營養補充劑中，以運動飲料使用率（62.2%）最高，其次是高蛋白（37.8%）和維生素B 群（24.6%）。在使用時機部分，運動飲料（33.5%）和高蛋白（39.8%）皆在運動後使用率最高，維生素B 群（36.4%）則主要是在比賽前使用。在使用頻率部分，大多數營養補充劑的使用頻率為一天一次或偶爾使用。選手未使用補充劑主要考量因素為「不知道要用什麼」和「太貴」，而使用考量因素則以補充營養、增強肌肉與獲得能量為主，其營養補充劑訊息來源主要來自教練與隊友。結論：目前國內橄欖球選手有普遍使用營養補充劑之情形，以上資訊可作為改善營養教育之參考依據。

To investigate the usage of nutritional supplements intake among rugby players in Taiwan. Methods: A survey with questionnaire was conducted on 349 male rugby players. The valid recovery rate was 96.9%. The contents of the questionnaire included basic personal information, the preference of nutritional supplements (including: item, timing and frequency), source of information and reason for taking or not taking the supplement. Data was analyzed by descriptive statistics. Result: The results indicated that 74.4% of rugby players in Taiwan consumed nutritional supplements. Sport drinks were the most popular supplements, consumed by 62.2% of players, the second and third highest supplements were protein (37.8%) and vitamin B-group (24.6%). For the timing of using nutritional supplements, sport drinks (33.5%) and protein (39.8%) were most often being used at post-exercise. Thus, vitamin B-group (36.4%) was most often being used before the competition. The supplements frequency showed that most supplements were used once per a day or irregularly. The main reasons for player who unused the supplements were unknowing what can be used and too expensive. The major reasons for supplements intake were nutrition replacement, increasing muscle mass and energy. The source of information was mainly from coach and teammate. Conclusion: The Taiwan rugby player use of nutritional supplements is prevailing in recent years. These results provide information for improving nutrition education.