Soy Forumula Concern

by Diane Lofshult on Apr 01, 2005

Although mothers today commonly opt to breastfeed their babies, many infants are still fed formula. Now, a study published online in Pediatric Research last December suggests that soy formulas may inhibit intestinal development in babies.

During animal studies, researchers determined that many common soy formulas on the market today contain high concentrations of an isoflavone called “genistein,” which may put babies at risk. In fact, the study authors found that genistein levels in some formulas were higher than those proven to affect menstrual levels in women. The study concluded that, while clinical data suggest that soy formula is safe, it is not “without effect.”

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About the Author

Diane Lofshult

Diane Lofshult IDEA Author/Presenter

Diane Lofshult is an award-winning freelance author who specializes in nutrition and weight management topics. She is the founder of In Other Words, an editorial consulting firm based in Solana Beach, California. Reach her at