Importance of “meal first” strategy and effective situations of supplement use in elite athletes: Japan high performance sport center position stand oleh Jun Yasuda, Kanae Myoenzono, Eri Takai, Makiko Toguchi, Shiori Tsunezumi, Chika Kondo, Aya Kaizaki, Shoko Ode, Hiroka Ohno, Keiko Namma-Motonaga, Akiko Kamei