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Effects of Probiotic Supplementation on Stress and Anxiety in Students
Sponsor: Nordic Biotic Sp. z o.o.
Summary
This randomized, double-blind, placebo-controlled study evaluates the efficacy and safety of an 8-week probiotic supplementation (Lactobacillus plantarum LP140 and Bifidobacterium breve BB010 in total daily dose 1 × 10¹⁰ CFU or matching placebo) in reducing perceived stress and anxiety, and improvement related psychological parameters in healthy university students during the examination period. The primary outcome is the change in Perceived Stress Scale (PSS-10) score at week 5 and week 8 of interevention compared to placebo. The secondary outcomes are the changes in DASS-21 subscales (Stress, Anxiety, Depression), State-Trait Anxiety Inventory - State version scale (STAI-S), Sense of Coherence Scale (SOC-29), Pittsburgh Sleep Quality Index (PSQI), self-reported gastrointestinal symptoms (Likert scale) and incidence of adverse events during the 8-week lasting interventional study.
Official title: The Efficacy of Probiotic Supplementation in Reducing Stress and Anxiety: A Randomized, Placebo-Controlled Study in Healthy Students During the Examination Period
Key Details
Gender
All
Age Range
18 Years - 40 Years
Study Type
INTERVENTIONAL
Enrollment
200
Start Date
2026-04-20
Completion Date
2026-08-15
Last Updated
2026-03-17
Healthy Volunteers
No
Interventions
Probiotics
Lactobacillus plantarum LP140 and Bifidobacterium breve BB010
Placebo
Maltodextrin
Locations (1)
University of Lublin, Faculty of Health Sciences
Lublin, Poland