Answer: cholecalciferol

AnswerCrossword Clue
cholecalciferolOne of the D vitamins, a sterol that is formed by the action of sunlight on dehydrocholesterol in the skin. Deficiency of this vitamin affects calcium levels, causing rickets in children and osteomalacia in adults
cholecalciferola natural form of vitamin D found esp in fish, egg yolks, and fish-liver oils