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. 2023 Jun 13;5:1188224. doi: 10.3389/fspor.2023.1188224

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© 2023 Yasuda, Myoenzono, Takai, Toguchi, Tsunezumi, Kondo, Kaizaki, Ode, Ohno, Namma-Motonaga and Kamei.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Decision flow chart for supplement use. ^#The potential reasons for supplement use are presented in Table 1. *The JADA guidelines: (1) screening of production facilities, (2) periodic product analysis (more than once a year), (3) disclosure of the results of 1 and 2, and (4) updating and/or deleting disclosed information based on a set of standards (new results by additional analysis or expiration date of products). BSCG, banned substances control group; NSF, national sanitation foundation; LGC, laboratory of the government chemist; JCAC, Japan chemical analysis center.