Vitamin D provides nutritional support to the skeletal system and works synergistically with calcium and phosphorus to enhance their absorption. Solaray uses cod liver oil as a natural source of vitamin D. Cod liver oil also provides vitamin A, which supports healthy skin, bones, teeth, and vision. Composition Virgin olive oil, gelatin and glycerin, water and sunflower oil, vitamin D3 (cholecalciferol). Per pearl: Vitamin D3 (400 IU).....10 mcg (as calciferol) Instructions for use Take 1 pearl a day, preferably with food. Ingredients Extra virgin olive oil, pearl: gelatin and glycerin, water and sunflower oil; vitamin D3 (cholecalciferol) (from lanolin). Pharmaceutical advice Food supplements should not be used as a substitute for a balanced diet or a healthy lifestyle. Do not exceed the recommended dose. Keep out of reach of young children