Effects of Maternal Vitamin D Supplementation on the Maternal and Infant Epigenome

Introduction: Mothers and infants are at high risk for inadequate vitamin D status. Mechanisms by which vitamin D may affect maternal and infant DNA methylation are poorly understood. Objective: This study quantified the effects of vitamin D3 supplementation on DNA methylation in pregnant and lactating women and their breastfed infants. Materials and Methods: In this randomized controlled pilot study, pregnant women received vitamin D3 400...