CNCM I-3690 decreases subjective academic stress in healthy adults: a randomized placebo-controlled trial.

Psychological stress negatively affects the intestinal barrier function in animals and humans. We aimed to study the effect of CNCM I-3690 on intestinal permeability and stress-markers during public speech. Healthy students were randomized to -containing (test) or acidified (placebo) milk consumed twice daily for 4 weeks, with 46 subjects per treatment group.