本研究以問卷方式調查2009年亞洲棒球錦標賽與2010年洲際盃棒球錦標賽代表隊之選手，共48人次，目的在探討中華成棒代表隊使用營養補充劑的現況，而問卷內容包括基本資料、營養補充劑使用狀況和使用營養補充劑的訊息來源及考量。所得資料以敘述統計進行分析。研究結果顯示使用營養補充劑的比率為75%，每位選手平均使用3.69 ± 2.42 種營養補充劑。在各種類中以維生素／礦物質類之使用率64.58%為最高，其次是提神飲料的31.25%，使用率最低則是保健食品類的20.83%。2010洲際盃之營養補充劑總使用率高於2009亞錦賽 （83.33% vs. 66.67%），在平均使用營養補充劑的項目部分2010洲際盃選手也多於2009亞錦賽選手（4.60 ± 2.56種 vs. 2.31 ± 1.45種）。使用營養補充劑的資訊來源，主要包括體能訓練員／防護員 （55.56%）、隊友 （52.78%）、營養師 （47.22%） 和教練 （38.9%）。在使用營養補充劑的考量以消除疲勞和補充營養兩項因素為主 （77.78%），獲得能量 （63.89%） 和增進運動表現 （61.11%） 也是重要因素。本研究結論為中華成棒代表隊選手普遍有使用營養補充劑的情形，且有逐年增加的趨勢，上述結果可做為運動相關人員營養教育之參考。

This study aimed to investigate the usage of nutritional supplements among Chinese Taipei national baseball team players form 2009-Asian Baseball Championship and 2010-IBAF Intercontinental Cup. A survey with questionnaire was conducted among players. The contents of the questionnaire included basic personal information, the preference of nutritional supplements, source of information and reason for taking the supplements. Data was analyzed by descriptive statistics. The results indicated that 91.67% of Chinese Taipei national baseball players consumed sports drinks. The usage of nutritional supplements among the players was 75%, with each player using an average of 3.69 ± 2.42 kinds of products. Vitamins/minerals were the most popular types, consumed by 64.58 % of players, the second highest type was energy drinks (31.25%), and the lowest usage type was biological and nutrient supplements (20.83%). The total usage rate of nutritional supplements by the players in 2010-IBAF Intercontinental Cup was higher than the players in 2009-Asian Baseball Championship (83.33% vs. 66.67%). The average number of products used by the players in 2010-IBAF Intercontinental Cup was higher than the players in 2009-Asian Baseball Championship (4.65 ± 2.56 vs. 2.50 ± 1.63). The sources of supplements usage information mainly included strength and conditioning instructor/athletic trainer (55.56%), teammates (52.78%), dietitian (47.22%) and coach (38.9%). Two major reasons for using nutritional supplements were to eliminate the fatigue, and nutrients replacement, with the 77.78%. Other reasons included gaining energy (63.89%) and enhancing performance (61.11%). In conclusion, the Chinese Taipei national baseball team players had a habit of using nutritional supplements and used more year by year. The results of study can be a reference of nutrition education for related people.