老年認知功能

「Folic acid is a synthetic form of folate, an essential B vitamin, found in dietary supplements and fortified foods. Folic acid reduces the risk of neural tube defects (NTDs) when used in early pregnan」

「Health claims relating folate to risk of neural tube defects may be made on the label or in labeling of foods, including dietary supplements, provided that the requirements in this section are met.」

「It's recommended that all women who could get pregnant should take a 400 microgram folic acid supplement daily before pregnancy and until they're 12 weeks pregnant.」