43
Participants
Start Date
September 1, 2021
Primary Completion Date
December 31, 2023
Study Completion Date
December 31, 2023
Probiotic, Lactobacillus
10\^10 colony-forming units of a Lactobacillus strain, packaged in a capsule, once daily
Placebo
Inactive substance packaged to be identical to active treatment
Occupational and Environmental Medicine, Gothenburg
Göteborg University
OTHER