Natures Plus Liquid Sunshine Vitamin D3 5000 IU Tropical Citrus - 16 fl. oz. (473.18 mL) Natures Plus Liquid Sunshine Vitamin D3 provides in just one spoonful 5000 IU of vitamin D3 natures most bioavailable form. Studies indicate that 5000 IU of vitamin D3 every day can help many people achieve