Ostelin Infant Vitamin D3 Drops 2.4mlAssists healthy bone and teeth development Support the healthy bone development of infants and children up to 12 years with Ostelin Infant Vitamin D3 Drops 2. 4mL. Vitamin D aids in the development of healthy bones, teeth, and supports muscle function. This oral liquid vitamin supplement is designed for infants and pre adolescent children. Each concentrated drop contains 400IU of Colecalciferol (Vitamin D3), the form naturally found in the body, which