This is the peer-reviewed version of the article: Michalickova, D. M.; Kostic-Vucicevic, M. M.; Vukasinovic-Vesic, M. Dj.; Stojmenovic, T. B.; Dikic, N. V.; Andjelkovic, M. S.; Djordjevic, B. I.; Tanaskovic, B. P.; Minic, R. D. Lactobacillus Helveticus Lafti L10 Supplementation Modulates Mucosal and Humoral Immunity in Elite Athletes: A Randomized, Double-Blind, Placebo-Controlled Trial. J. Strength Cond. Res. 2017, 31 (1), 62–70. https://doi.org/10.1519/JSC.0000000000001456 This work is licensed under the Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)