Could a simple daily supplement in infancy help prevent behavior problems later? A new study suggests low-dose iron might make a difference.
Researchers in Poland and Sweden followed 221 healthy, full-term, predominantly breastfed infants who were not anemic. Half received a daily low-dose iron supplement (7 to 15 mg), while the other half got a placebo. Three years later, parents filled out a standard behavior checklist.
Children who had received iron scored significantly lower on externalizing behaviors (like aggression and acting out) compared to the placebo group. The average externalizing T-score was 45.6 in the iron group versus 48.6 in the placebo group. Aggressive behaviors were also notably lower.
But the researchers urge caution. This was a secondary analysis, meaning it wasn't the main question the study was designed to answer. The results need to be confirmed in future studies before any recommendations can be made. If you're a parent, talk to your pediatrician before giving your baby any supplements.
Common questions
Should I give my baby iron supplements based on this study?
Not yet. The study found a link between low-dose iron and fewer behavior problems, but it was a secondary analysis. The researchers say cautious interpretation is warranted until the results are replicated. Always talk to your pediatrician before giving your baby any supplement.
What does 'externalizing behaviors' mean?
Externalizing behaviors are actions directed outward, like aggression, acting out, or breaking rules. In this study, children who received iron had lower scores on these behaviors compared to those who got a placebo.
How much iron did the babies get?
The babies received a daily low-dose iron supplement of 7, 10, or 15 mg of micronized microencapsulated ferric pyrophosphate. The exact dose varied, but all were considered low-dose.
Were there any side effects reported?
The study did not report any adverse events, serious adverse events, or discontinuations due to side effects. However, the safety data was not detailed, so it's unclear if any mild side effects occurred.
