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Infant Soy Formula: A Review of Recommendations from the American Academy of Pediatrics

Parents often ask me about giving their infant a soy formula when their infant shows signs of difficulty tolerating breast soy formulamilk or cow’s milk based formulas. Soy seems to be a common go-to alternative; however, there are actually only a few scenarios where soy formula is recommended. The American Academy of Pediatrics published a journal article that reviewed the use of soy based infant formulas in 2008. Here is a summary of the main points.

A Review of Infant Soy Formula:

  • Soy formula is not indicated as an alternative for breast milk or for cow’s milk based formulas except in the case of Galactosemia and hereditary lactase deficiency (both are rare diagnoses). Soy formula may also be an option for parents who desire a vegetarian diet for their infant, if breastfeeding is not possible.
  • Soy formula is not indicated for children diagnosed with cow’s milk protein allergy. Instead, an extensively hydrolyzed formula should be considered, because 10-14% of these infants will also be allergic to soy protein. Read more