Use of nutritional supplements by elite Japanese track and field athletes
Background While scientific evidence supports the efficacy of only limited nutritional supplements (NS) on sports performance, the use of NS is widespread in athletes. Given the serious issues of health damage or unintended Anti-Doping Rule Violations due to ingestion of contaminated NS in sports, a...
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Format: | Article |
Language: | English |
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Taylor & Francis Group
2020-07-01
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Series: | Journal of the International Society of Sports Nutrition |
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Online Access: | http://dx.doi.org/10.1186/s12970-020-00370-9 |
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author | Shogo Tabata Fumihiro Yamasawa Suguru Torii Tomohiro Manabe Hiroshi Kamada Akira Namba Jo Kato Haruka Kaneko Keitaro Tahara Yuka Tsukahara Kazuki Sato |
author_facet | Shogo Tabata Fumihiro Yamasawa Suguru Torii Tomohiro Manabe Hiroshi Kamada Akira Namba Jo Kato Haruka Kaneko Keitaro Tahara Yuka Tsukahara Kazuki Sato |
author_sort | Shogo Tabata |
collection | DOAJ |
description | Background While scientific evidence supports the efficacy of only limited nutritional supplements (NS) on sports performance, the use of NS is widespread in athletes. Given the serious issues of health damage or unintended Anti-Doping Rule Violations due to ingestion of contaminated NS in sports, accurately understanding NS practices by athletes is crucial. This study therefore elucidated the use of NS by elite Japanese track and field (TF) athletes. Methods The subjects were 574 Japanese TF athletes, including 275 junior athletes (under 20 years) and 299 senior athletes, who participated in international competitions from 2013 to 2018. Data on NS use were collected through pre-participation medical forms obtained from all entrants before their participation in competitions. NS users were requested to report the product names and primary components of all NS they were taking. Results The overall prevalence of NS use was 63.9%. The mean number of NS products used per athlete was 1.4. The prevalence was significantly higher in women (69.2%) than in men (59.6%) (p = 0.018) and significantly higher in senior athletes (68.9%) than in junior athletes (58.9%) (p = 0.012). The prevalence of NS use was higher in long-distance runners (75.8%) and lower in jumpers (52.3%) and throwers (49.2%) than other disciplines (p < 0.001). The most prevalent components were amino acids (49.3%), followed by vitamins (48.3%), minerals (22.8%), and protein (17.8%). Conclusions Approximately two-thirds of elite Japanese TF athletes reported the use of NS, and NS practices varied by gender, age, and discipline. |
first_indexed | 2024-03-12T00:38:01Z |
format | Article |
id | doaj.art-37fa0de28cf74127b9c3fce51527c6c2 |
institution | Directory Open Access Journal |
issn | 1550-2783 |
language | English |
last_indexed | 2024-03-12T00:38:01Z |
publishDate | 2020-07-01 |
publisher | Taylor & Francis Group |
record_format | Article |
series | Journal of the International Society of Sports Nutrition |
spelling | doaj.art-37fa0de28cf74127b9c3fce51527c6c22023-09-15T09:19:31ZengTaylor & Francis GroupJournal of the International Society of Sports Nutrition1550-27832020-07-0117110.1186/s12970-020-00370-912130179Use of nutritional supplements by elite Japanese track and field athletesShogo Tabata0Fumihiro Yamasawa1Suguru Torii2Tomohiro Manabe3Hiroshi Kamada4Akira Namba5Jo Kato6Haruka Kaneko7Keitaro Tahara8Yuka Tsukahara9Kazuki Sato10Institute for Integrated Sports MedicineMedical CommitteeMedical CommitteeMedical CommitteeMedical CommitteeMedical CommitteeMedical CommitteeMedical CommitteeMedical CommitteeMedical CommitteeInstitute for Integrated Sports MedicineBackground While scientific evidence supports the efficacy of only limited nutritional supplements (NS) on sports performance, the use of NS is widespread in athletes. Given the serious issues of health damage or unintended Anti-Doping Rule Violations due to ingestion of contaminated NS in sports, accurately understanding NS practices by athletes is crucial. This study therefore elucidated the use of NS by elite Japanese track and field (TF) athletes. Methods The subjects were 574 Japanese TF athletes, including 275 junior athletes (under 20 years) and 299 senior athletes, who participated in international competitions from 2013 to 2018. Data on NS use were collected through pre-participation medical forms obtained from all entrants before their participation in competitions. NS users were requested to report the product names and primary components of all NS they were taking. Results The overall prevalence of NS use was 63.9%. The mean number of NS products used per athlete was 1.4. The prevalence was significantly higher in women (69.2%) than in men (59.6%) (p = 0.018) and significantly higher in senior athletes (68.9%) than in junior athletes (58.9%) (p = 0.012). The prevalence of NS use was higher in long-distance runners (75.8%) and lower in jumpers (52.3%) and throwers (49.2%) than other disciplines (p < 0.001). The most prevalent components were amino acids (49.3%), followed by vitamins (48.3%), minerals (22.8%), and protein (17.8%). Conclusions Approximately two-thirds of elite Japanese TF athletes reported the use of NS, and NS practices varied by gender, age, and discipline.http://dx.doi.org/10.1186/s12970-020-00370-9track and fieldsupplementsjapanese athletesamino acidsvitaminsmineralsergogenic aidsadrv |
spellingShingle | Shogo Tabata Fumihiro Yamasawa Suguru Torii Tomohiro Manabe Hiroshi Kamada Akira Namba Jo Kato Haruka Kaneko Keitaro Tahara Yuka Tsukahara Kazuki Sato Use of nutritional supplements by elite Japanese track and field athletes Journal of the International Society of Sports Nutrition track and field supplements japanese athletes amino acids vitamins minerals ergogenic aids adrv |
title | Use of nutritional supplements by elite Japanese track and field athletes |
title_full | Use of nutritional supplements by elite Japanese track and field athletes |
title_fullStr | Use of nutritional supplements by elite Japanese track and field athletes |
title_full_unstemmed | Use of nutritional supplements by elite Japanese track and field athletes |
title_short | Use of nutritional supplements by elite Japanese track and field athletes |
title_sort | use of nutritional supplements by elite japanese track and field athletes |
topic | track and field supplements japanese athletes amino acids vitamins minerals ergogenic aids adrv |
url | http://dx.doi.org/10.1186/s12970-020-00370-9 |
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