New larger family size! Great value!Each drop of Quick D contains 1000 i.u. of naturally derived, biologically active vitamin D, now known to prevent numerous diseases. Quick D is made with some of the most stable ingredients available. The base contains vitamin C (Ascorbyl Palmitate), Vitamin E (Mixed Tocopherols) and organic Sunflower oil. Most liquid vitamin D products use an undefined generic vegetable oil for their base, which may contain various possible allergens.