Superior Source Children's Vitamin D 400IU Tablets 100 CountSuperior Source Vitamin D works in conjunction with calcium to promote the development and maintenance of strong bones and teeth. Vitamin D is also essential in the modulation of neuromuscular and immune system function and in the reduction of inflammation. Superior Source vitamin D products are D3, the finest source of vitamin D available. Their Instant Dissolve MicroLingual Tablets go to work fast, bypassing the digestive system as they are quickly absorbed directly into the body under the tongue.Superior Source - Less is MoreNo pills to swallowPlace on or under the tongueDissolves immediately on contactPreservative freeSuggested UseAs a dietary supplement, for children 4 or more years of age, dissolve one MicroLingual tablet under the tongue daily. This product may also be swallowed. IngredientsSuperior Source - Children's Vitamin D3 Instant Dissolve 400 IU - 100 TabletsSupplement FactsServing Size: 1 MicroLingual TabletServings Per Container: 100Amount Per Serving%DVVitamin D (as cholecalciferol)400 IU100% Other Ingredients: Lactose (milk) and acacia gum.