AOR's Vitamin D3 is derived from sheepskin oil collected during shearing. It is rapidly converted in the body to the active hormone 1 25-dihydroxycholecalciferol and helps in the development and maintenance of bones the absorption and use of calcium and phosphorus and is a factor in the maintenance of good health. Essential for Proper Bone Growth and Maintenance - A lower dose of vitamin D3 for children - Calibrated dropper for accurate dosing - Supports the immune system - Neutral flavour makes it easy to take with any food or beverage Amount: 0.2ml CHILD Vitamin D3 (Cholecalciferol) 400 IU Non-medicinal ingredients: medium chain triglycerides DL-l-tocopherol. Suggested Use: (Children) : Take 6 drops (0.2 mL) per day with food or as directed by a qualified health care practitioner.