Probiotic supplements beneficially affect tryptophan-kynurenine metabolism and reduce the incidence of upper respiratory tract infections in trained athletes: A randomized, double-blinded, placebo-controlled trial - Strasser, B.; Geiger, D.; Schauer, M.; Gostner, J. M.; Gatterer, H.; Burtscher, M.; Fuchs, D. (Nutrients, 2016)
Keywords: high performance sport; elite sport; supplementation; relation; disease; respiration; lungs; load intensity; sports medicine; Switzerland; biological and medical sciences