Deficiencies in micronutrients such as vitamin A, B12, folate, iron, and zinc led to significant shifts in the gut microbiome of mice, with an expansion of opportunistic pathogenic bacteria and fungi, and a higher enrichment of genes that have been linked to antibiotic resistance.

Deficiencies in micronutrients such as vitamin A, B12, folate, iron, and zinc led to significant shifts in the gut microbiome of mice, with an expansion of opportunistic pathogenic bacteria and fungi, and a higher enrichment of genes that have been linked to antibiotic resistance.