In a recent study published in The Lancet, researchers evaluated the effects of maternal vitamin B12 (cyanocobalamin) supplementation on the neurodevelopment and growth of infants born in Nepal. Study: The effect of vitamin B12 supplementation during pregnancy on infant growth and development in Nepal: a community-based, double-blind, randomised, placebo-controlled trial. Image Credit: NatchaS/Shutterstock.com Background Children born in