Vitamin B12 may improve school performance in children
Earlier studies revealed a link between vitamin B12 and memory, reasoning, and intelligence in school-aged children. In this study, doctors measured vitamin B12, iron, and other micronutrient levels in 3,156 children, aged 5 to 12, and attending public schools. Children who were deficient in vitamin B12 were almost two-and-a-half times as likely to repeat a grade as children with adequate vitamin B12 levels. In addition, kids with vitamin B12 deficiency had nearly twice the rate of absences from school compared to those with adequate vitamin B12 levels. Doctors noted vitamin B12 also plays a role in immunity, and that vitamin B12 supplements might improve school attendance rates.

Reference: The Journal of Nutrition; 2015, Vol. 145, No. 7, 1541-8.
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