Ditamin Babyvit D3 400 IU is a liquid vitamin D3 supplement specifically formulated for infants. The 10 ml dropper bottle contains vitamin D3 (cholecalciferol) to support healthy bone development, calcium absorption, and immune system function in babies. This supplement comes in an easy-to-administer liquid drop form, making it convenient for giving to infants. The 400 IU dosage is specifically calibrated for babies' daily vitamin D needs. Vitamin D3 is essential for growing infants as it helps with the absorption of calcium and phosphorus, which are crucial for developing strong bones and teeth. The dropper bottle format allows for precise dosing.