A liquid composition, comprising vitamin D, or a salt thereof, in an amount between about 10001U and about 500000IU per ml of the composition. Preferably, the vitamin D is in an amount between 10000IU and 2500001U per ml, and the composition also comprises water, an edible oil, such as rice bran oil a surfactant, such as gum arabic, and a combination of preservatives, such as sorbate and benzoate.