Iron deficiency in babies and toddlers is getting increased attention. Studies have shown that up to 15 percent of babies and toddlers don't get enough iron. This can lead to long-term developmental problems, even in babies who aren't deficient enough to become anemic. New guidelines from the American Academy of Pediatrics recommend supplements for some babies, especially breastfed babies aged 4-6 months and preterm babies. When a supplement is needed, consider using a plain iron drop such as Fer-In-Sol or a combination product such as Poly Vi Sol with Iron for breastfed babies to provide both iron and vitamin D. Keep in mind that iron concentration can vary from product to product.