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the claim
Folic acid is a B vitamin that may help prevent neural tube defects.
the verdict
SUPPORTED
the evidence backs this
Recorded sources
9 sources for · 0 against
Is it true that folic acid is a B vitamin that may help prevent neural tube defects?
Yes. Folic acid supplementation is widely supported by clinical and epidemiological evidence as an effective intervention to significantly reduce the risk of neural tube defects.
Verdict: SUPPORTED · 9 sources for, 0 against · Last checked
The analysis
The retrieved papers consistently support the claim that folic acid helps prevent neural tube defects, providing both mechanistic insights and robust epidemiological evidence across various populations. There are no refuting studies in the provided set.
Evidence for · 9
This study demonstrates that folic acid corrects metabolic defects and prevents neural tube defects in mouse embryos.
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Fleming, A. & Copp, A. J. (1998). Embryonic Folate Metabolism and Mouse Neural Tube Defects. doi.org. https://doi.org/10.1126/science.280.5372.2107
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More for · 8
This paper highlights the significance and prevention of neural tube defects like spina bifida and anencephaly.
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Hitzeroth, H. W. (1993). The prevention of neural tube defects by folic acid supplementation. doi.org. https://doi.org/10.4102/curationis.v16i4.1419
This case-control study shows that maternal folic acid supplementation significantly reduces the risk of neural tube defects in newborns.
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V, V. & SM, F. (2026). Maternal Folic Acid Supplementation and Neural Tube Defects in Northeast Iran: Insights for Developing Countries.. doi.org. https://doi.org/10.2147/phmt.s629730
This case series emphasizes the critical need for adequate preconception folic acid intake to prevent neural tube defects.
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G, Y., C, E. H., N, H., C, M., & K, G. (2026). Neural Tube Defects in Resource-Limited Settings: A Lebanese Case Series Highlighting Prevention Gaps and Challenges in Prenatal Diagnosis.. doi.org. https://doi.org/10.1155/crog/2044243
This epidemiological study links increased folic acid supplementation rates with a significant decrease in neural tube defects incidence in China.
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X, L., Y, P., & J, Z. (2026). Association of premarital medical check-ups and folic acid knowledge, attitudes, and practices with the occurrence of neural tube defects in Guangxi, China (2009-2023).. doi.org. https://doi.org/10.7189/jogh.16.04129
This large prospective cohort study examines prenatal folic acid supplementation and its association with birth weight outcomes.
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Y, H., L, H., M, Y., R, Z., X, W., B, W., J, W., & Z, L. (2026). Effect modification of prenatal folic acid supplementation on the associations of pre-pregnancy BMI and gestational weight gain with offspring birth weight: a large prospective cohort study.. doi.org. https://doi.org/10.1007/s00394-026-04065-w
This ecological analysis discusses how national folic acid supplementation and fortification policies effectively reduce the burden of neural tube defects.
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S, D., C, L., S, W., F, H., & F, Y. (2026). Neural tube defect burden across the urbanisation gradient in 204 countries, 1990–2023: a cross-national ecological analysis of the Global Burden of Disease Study 2023. doi.org. https://doi.org/10.21203/rs.3.rs-10546364/v1
This paper investigates the molecular mechanisms by which folic acid prevents neural tube defects via metabolic links.
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T, E., T, A., D, C., JM, I., Y, S., G, P., JA, B., & A, F. (2026). Folic acid prevention of neural tube defects requires retinoic acid produced by ALDH1L1.. doi.org. https://doi.org/10.1073/pnas.2616501123
This qualitative study explores the implementation of iron and folic acid supplementation to prevent neural tube defects in healthcare systems.
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A, B. & T, B. (2026). Understanding challenges and opportunities to implement preconception iron and folic acid supplementation to prevent neural tube defects and iron deficiency anaemia in Ethiopian health care system: a qualitative study.. doi.org. https://doi.org/10.1136/bmjph-2025-004177
What does the evidence say?
The retrieved papers consistently support the claim that folic acid helps prevent neural tube defects, providing both mechanistic insights and robust epidemiological evidence across various populations. There are no refuting studies in the provided set.
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