Vitamin B1 and Improved Language Processing

• Language processing in breastfed infants at risk of thiamine deficiency benefits from maternal thiamine supplementation.

  • 2025-08
  • RCT
  • Developmental psychology 61(8)
  • • Dare A Baldwin
    • Jeffrey Measelle
    • Lauren Gallivan
    • Anna Sanchirico
    • Netanel Weinstein
    • Anaahat Bala
    • Kathleen Chan
    • Jelisa Gallant
    • Mam Borath
    • Hou Kroeun
    • Frank T Wieringa
    • Tim J Green
    • Kyly C Whitfield

  • PubMed: 39699595
  • DOI: 10.1037/dev0001829

  1 Insight on

  • Improved Language Processing

  • High evidence
  • Infants

  Maternal thiamine supplementation displayed a small but statistically significant dose-response relationship to the magnitude of infants' IDS-elicited attentional enhancement (adjusted R² = 0.022, p = .011).

  Effect

  Beneficial

  Effect size

  Small

  Significant

  Yes

  Dose

  0, 1.2, 2.4, or 10 mg daily