: a crystalline vitamin C19H19N7O6 of the B complex that is required for normal production of red blood cells, is used especially in the treatment of nutritional anemias, and occurs chiefly in green leafy vegetables, liver, kidneys, dried beans, and mushrooms
called also pteroylglutamic acid
Examples of folic acid in a Sentence
Recent Examples on the Web
Doctors recommend that people who are pregnant or trying to get pregnant take folic acid, the synthetic version of folate.
—
Aria Bendix, NBC news, 26 Aug. 2025
The researchers looked at 209 trials investigating magnesium, folic acid, cinnamon, vitamin C, prebiotics, and dozens of other supplements.
—Kaitlin Sullivan, Health, 16 July 2025
Experts recommend starting a daily prenatal vitamin with 400 mcg of folic acid at least one month before pregnancy to help prevent neural tube defects, and continuing it at least for the first trimester.1112 Check with your OB-GYN for personalized advice.
—Jamie Johnson, Verywell Health, 14 July 2025
Beyond your typical supplements, Revive Collagen is a liquid collagen drink supplement, which helps with marine collagen to help skin, hair nails and joints with reishi mushroom, folic acid, selenium and vitamins.
—Nadja Sayej, Forbes.com, 11 July 2025
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Aria Bendix, NBC news, 26 Aug. 2025
The researchers looked at 209 trials investigating magnesium, folic acid, cinnamon, vitamin C, prebiotics, and dozens of other supplements.
—Kaitlin Sullivan, Health, 16 July 2025
Experts recommend starting a daily prenatal vitamin with 400 mcg of folic acid at least one month before pregnancy to help prevent neural tube defects, and continuing it at least for the first trimester.1112 Check with your OB-GYN for personalized advice.
—Jamie Johnson, Verywell Health, 14 July 2025
Beyond your typical supplements, Revive Collagen is a liquid collagen drink supplement, which helps with marine collagen to help skin, hair nails and joints with reishi mushroom, folic acid, selenium and vitamins.
—Nadja Sayej, Forbes.com, 11 July 2025
See All Example Sentences for folic acid
Cite this Entry
“Folic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/folic%20acid. Accessed 11 Sep. 2025.
Copy CitationKids Definition
folic acid
noun
fo·lic acid
ˌfō-lik- 
: a crystalline vitamin of the B complex used especially in the treatment of anemia resulting from inadequate intake of nutrients
Medical Definition
folic acid
noun
fo·lic acid
ˌfō-lik-
: a crystalline vitamin C19H19N7O6 of the B complex that is required for normal production of red blood cells, that is used especially in the treatment of nutritional anemias, and that occurs especially in green leafy vegetables, liver, kidneys, dried beans, and mushrooms
called also folacin, folate, Lactobacillus casei factor, pteroylglutamic acid, vitamin Bc, vitamin M
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