Effects of probiotics on cognitive reactivity, mood, and sleep quality

Liu et al. (2019) conducted a random-effects meta-analysis of 34 controlled clinical trials examining the effects of prebiotics and probiotics on depression and anxiety. The trial did not observe any difference in measures of depression between the prebiotic and placebo groups, although there was evidence of probiotics eliciting a small but significant impact in terms […]

Akkasheh et al. (2016) designed this randomized, double-blind, placebo-controlled clinical trial involving 40 patients [aged 20-55, diagnosed with major depressive disorder (MDD) based on DSM-IV criteria] and randomly allocating them into 2 groups to receive either probiotics supplements or placebo (split on a 50:50 basis) for 8 weeks. The aim was to test what impact […]