D4Uâ„¢Therapeutic Segment:Vitamin-DGeneric Name:CholecalciferolDescription:Cholecalciferol is the naturally occurring form of Vitamin D, also called Vitamin D3. It is produced from 7- dehydrocholesterol, a sterol present in mammalian skin, by ultraviolet irradiation.Formulation:InjectionStrength:5mg/ml (200,000 I.U)Pack Size:5’s Prescribing Information