Bluebonnet Nutrition - Vitamin D3 5000 IU - 250 Softgels Bluebonnet Nutrition Vitamin D3 5000 IU provides pure vitamin D3 (cholecalciferol) from molecularly distilled deep sea cold water fish liver oil in a base of non-GMO safflower oil. Vitamin D3 5000 IU is available in easy-to-swallow softgels fo