124
Participants
Start Date
July 1, 2025
Primary Completion Date
December 1, 2025
Study Completion Date
December 1, 2025
Zinc-enriched yeast capsule
Daily zinc supplementation: zinc-enriched yeast capsules (15 mg) for a total of 6 months.
Edible yeast placebo capsule
Daily edible yeast placebo capsules (not zinc-enriched) (15 mg) for a total of 6 months.
Zhilei Shan
OTHER