Product Description:Vidrop is a vitamin D3 which regulate calcium and phosphate metabolism , its main function is synthesizing the carrier protein (Calbindin) which mediates the intestinal calcium absorptionby an active transport mechanism.It also promotes the normal bone formation.How to use:Each drop contain 100 I.Uinfants and children : 200 I.Uadults : 200-400 I.UCaution & Warnings:caution is required in patients with disturbed calcium metabolism , renal failure , arteriosclerosis or coronary heart disease.Ingredients:each 1 ml (=28 drops) contains cholecalciferol equivalent to 28000 IU (each drop contains 100 IU of vitamin D3).