190
Participants
Start Date
April 25, 2024
Primary Completion Date
December 31, 2024
Study Completion Date
August 31, 2025
Vitamin D3
Vitamin D3 (cholecalciferol), 1600 IU per day.
Prebiotics
Prebiotics (inulin), 10g per day.
Vitamin D3 placebo
Vitamin D3 placebo
Prebiotics placebo
Prebiotics placebo, 10g per day.
Bao'an Center Hosipital of Shenzhen, Shenzhen
School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan
Huazhong University of Science and Technology
OTHER