71
Participants
Start Date
March 1, 2019
Primary Completion Date
December 1, 2019
Study Completion Date
December 30, 2019
Zinc Supplementation Group
Enrolled subjects received zinc capsule 20mg daily in the morning after meal for 12 weeks
Placebo Group
Enrolled subjects received placebo tablet, which was inserted into capsule of the same shape and color as zinc capsule, daily in the morning after meal for 12 weeks
Universitas Sumatera Utara, Medan
Universitas Sumatera Utara
OTHER