Messina, G., Amato, A., D’amico, G., Baldassano, S. and Proia, P. 2020. Effects of protein supplementation in fitness world: A 12-week cross-over studio. Journal of Human Sport and Exercise. 15, 2proc (May 2020), S308-S314. DOI:https://doi.org/10.14198/jhse.2020.15.Proc2.22.