Evidence shows that sufficient vitamin D-3 is needed for our bodies to function properly*. Besides aiding in calcium absorption, Vitamin D-3 also may support the immune system, cellular health, cardiovascular systems, and may assist with mood enhancement*. Bio Nutrition's Vitamin D-3 is made from lanolin ( not fish) and can contribute to general wellness.* *These statements have no been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.