* Since 1947 * (Cholecalciferol) * Maintains Healthy Bones & Teeth * Supports a Healthy Immune System * Gluten, Wheat & Dairy Free * Dietary Supplement Vitamin D is a fat-soluble vitamin that aids in calcium absorption, which helps to maintain healthy bones and teeth. Vitamin D also supports a healthy immune system. This product utilizes oil from select livers of deep-sea, cold-water fish. The oil has been purified to eliminate mercury and PCB"s. This formulation is offered in oil-based softgels to promote optimal absorption and assimilation.