Nutri D3 Drops 1000 is an emulsified liquid vitamin D formula that allows convenient, flexible dosing. Each single drop provides 1000IU of the preferred form of vitamin D, cholecalciferol. Vitamin D has a multitude of biological functions in the body which may help to support cellular health, immune function and healthy inflammatory processes, as well as supporting bone health. Vitamin D3 (cholecalciferol) is the preferred form of supplemental vitamin D as this is the form produced by the skin in response to sun exposure. D3 Drops 1000 is a pleasant tasting liquid formula, with a natural strawberry flavour.