Micronutrient supplements are key to global efforts to address child malnutrition. Here, in a cohort of children, previously enrolled into a large cluster randomized controlled trial of micronutrient supplementation in Pakistan, Popovic et al. find that vitamins and iron increase carriage of protozoa and fungi in the gut, potentially disrupting the bacterial microbiome.
- Ana Popovic
- Celine Bourdon
- Lisa G. Pell
