A randomized control trial finds that vitamin B12 supplementation enhances infant neurodevelopment and maternal status in vegetarian mothers, suggesting nutritional benefits.
Daily supplementation with 250 µg of vitamin B₁₂ during pregnancy in vegetarian mothers significantly improved infant mental DQ and maternal B₁₂ status compared with a 50 µg dose.
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Nagpal et al. (2026) studied this question.
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