Carlson Labs - Kid s Super Daily D3 Carlson 400 IU - .35 oz. (10.3 mL)Carlson Labs Kid s Super Daily D3 Carlson 400 IU provides concentrated liquid vitamin D3 with added vitamin E in a single drop. Children can receive their daily dose of vitamin D3 by simply adding a drop to their food or drink. Carlson Kid s Super Daily D3 provides a full 400 IU dose of vitamin D3 Teeth and Bone Health Healthy Immune Function. Maintains Calcium Balance Maintenance of blood calcium levels within a narrow range is vital for normal functioning of the nervous system as well as for bone growth and maintenance of bone density.