High doses of popular supplement in pregnancy may boost kids’ school performance
A new study suggests that high doses of vitamin D during pregnancy may enhance children's cognitive performance. The research indicates that children whose mothers took higher doses showed improvements in visual memory, verbal memory, and cognitive flexibility by age 10. This study adds to the growing evidence of the importance of vitamin D for neurodevelopment in children.
- ▪A study published in JAMA Network Open found positive associations between high daily doses of vitamin D during pregnancy and cognitive performance in children.
- ▪More than 600 pregnant women participated, taking either 2,800 IU or 400 IU of vitamin D daily.
- ▪Children at age 10 showed better memory and cognitive flexibility linked to higher prenatal vitamin D intake.
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Women's Health High doses of popular supplement in pregnancy may boost kids’ school performance By Rachel Sacks Published May 18, 2026, 11:08 a.m. ET See more of our coverage in your search results. Add The New York Post on Google It’s baby steps to parenthood. Moms-to-be try to do everything they can to have a healthy pregnancy, such as taking the right prenatal vitamins, exercising and visiting their doctor often. Now, a new study suggests that taking high doses of a popular supplement during pregnancy could boost cognitive performance later in the child’s life. A high dose of a popular supplement taken during pregnancy could lead to better cognitive performances in children.
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