40
Participants
Start Date
July 1, 2017
Primary Completion Date
December 31, 2017
Study Completion Date
December 31, 2018
probiotics intervention
The probiotics intention is provided with 4 strains of probiotics as a 2g sachet powder, dried with corn starch for 4 weeks.
non-probiotic control
The placebo is corn starch alone provided and the shape, color, flavor and taste are same with the powder of probiotics intervention.
SunYat-sen University, Guangzhou
Huilian Zhu
OTHER