1
: folate
Folate (vitamin B9) is an essential micronutrient. … While the preventive role of maternal periconceptional folate intake against neural tube defects as well as other birth defects is well established, growing evidence suggests that folate status may also influence childhood cancer risk.—Yijin Xiang et al., Current Problems in Pediatric and Adolescent Health Care
2
: folic acid
The ingredient can be formulated as a standalone probiotic … or combined with other strains and nutrients such as vitamin B9 (folic acid) for prenatal formulations.—Erin McEvoy, Nutritional Outlook
Cite this Entry
“Vitamin B9.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/vitamin%20B9. Accessed 4 Sep. 2026.
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