A University of Southampton study indicates that vitamin D supplements during pregnancy may reduce eczema risk in children at 12 months, with the effect lessening at 24 and 48 months. Involving over 700 pregnant women, the study also found that these supplements can improve the child’s bone density at 4 years old, as part of the Maternal Vitamin D Osteoporosis Study.

Reference: Nagorka C. Vitamin D Supplements During Pregnancy May Reduce Eczema in Infants. Dermatology Times. Published March 23, 2023. Accessed December 28, 2023. https://www.dermatologytimes.com/view/vitamin-d-supplements-during-pregnancy-may-reduce-eczema-in-infants