Last update Jan. 23, 2021
Very Low Risk
Folic acid is a water-soluble B group vitamin that is very abundant in green vegetables, legumes and fruits (citric fruits).
It is actively excreted in breast milk with priority over maternal folate in such extent that may even cause maternal deficit (Cooperman 1987 y 1982). Exclusive breastfeeding meets the daily allowances of infant folic acid.
The concentration is higher in mature milk (85 micrograms / L) than in colostrum and premature breast milk.
Administration to nursing mothers increases slightly the usual concentration of folate in breast milk (Tamura 1980).
Folic acid needs are increased during pregnancy and lactation (Ares 2015, Stamm 2013: 500-600 micrograms / day) and in case of taking anticonvulsant medication.
No harmful effects have been observed by taking folic acid during lactation. Excess of folic acid is eliminated by the kidneys every day.
No supplements are needed if diet and nutritional status are adequate (Ares 2015).
The American Academy of Pediatrics rates it as a mediation usually compatible with breastfeeding.
WHO List of Essential Medicines 2002: compatible with breastfeeding.
We do not have alternatives for Vitamin B9 since it is relatively safe.
Suggestions made at e-lactancia are done by APILAM team of health professionals, and are based on updated scientific publications. It is not intended to replace the relationship you have with your doctor but to compound it.
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