The invention relates to the use of at least two lactic acid bacterial strains selected from the group comprising Pediococcus pentosaceus 16:1 (LMG P-20608), Leuconostoc mesenteroides 23-77:1 (LMG P-20607), Lactobacillus paracasei subsp paracasei F-19 (LMG P-17806), and Lactobacillus plantarum 2362 (LMG P-20606) for the manufacturing of a formulation for the prevention or treatment of stress-induced inflammatory disorder.