Vitamins A and D are added to margarine during production so it will have a similar vitamin level to butter. Nutrients may also be added to foods to fortify or enrich them even if the vitamins and minerals added are not normally contained in that food.Margarine makes an important nutritional contribution to the diet by being a source of one or more essential fat-soluble vitamins such as vitamins A and/or D and by being low in saturated fat.
