folic acid

https://doi.org/10.1351/goldbook.10728
Water-soluble B vitamin involved in breakdown of carbohydrates, releasing energy and promoting biosynthesis.
Note: Folic acid deficiency may lead to a range of serious abnormalities of the developing fetus, including neural tube defects.
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 756 (https://doi.org/10.1515/pac-2015-1202)