Wellspring Meds Infants Aqueous Vitamin D Oral Drops | 400 IU per 1 ml | 50 mL Vitamin D drops provide essential nutrients to help your baby's body absorb calcium for strong bones and teeth These drops complements your breast milk and provides optimal nutrition for your baby This product is sugar-free, gluten-free, and lactose-free The American Academy of Pediatrics (AAP) recommends using a vitamin D supplement for exclusively and partially breastfed babies because of low average levels of vitamin D in breast milk