Higher-Dose Prenatal Vitamin D Linked to Memory Scores - Takeaways - MDSpire

Higher-Dose Prenatal Vitamin D Linked to Memory Scores

Children exposed to higher-dose prenatal vitamin D scored modestly higher on verbal and visual memory tests at age 10 years, although overall intelligence and most cognitive measures did not differ significantly.

  • By

  • Andrea Surnit

  • June 11, 2026

  • 5 min

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  • 1

    Higher-dose vitamin D3 supplementation during pregnancy was linked to modestly higher verbal and visual memory scores in children at age 10.

  • 2

    The study analyzed data from the Copenhagen Prospective Studies on Asthma in Childhood 2010 trial, involving 498 children.

  • 3

    No significant differences were found in estimated intelligence or most cognitive functions between higher-dose and standard-dose groups.

  • 4

    The cognitive analysis was post hoc and not prespecified, with limitations including multiple comparisons and a predominantly White cohort.

  • 5

    Findings suggest that higher prenatal vitamin D levels may have modest effects on memory, but generalizability to diverse populations is limited.

Original Source(s)

Higher-Dose Prenatal Vitamin D Linked to Memory Scores

  • by Andrea Surnit

  • June 11, 2026

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