448
Participants
Start Date
June 25, 2021
Primary Completion Date
May 31, 2027
Study Completion Date
December 31, 2027
Microbiome immunity formula
Microbiome immunity formula contains probiotics blend (3Bifidobacteria, 20 billion CFU daily)
Active placebo
Active placebo contains active vitamin
Prince of Wales Hospital, Hong Kong
Chinese University of Hong Kong
OTHER