Helps support healthy immune system & bone health. Blackmores Cod Liver Oil 1000mg is a source of vitamins A and D and omega-3 fatty acids. Vitamin A helps to support a healthy immune system, and vitamin D is essential for calcium absorption. Blackmores Cod Liver Oil 1000mg helps maintain healthy mucous membranes of the respiratory and digestive tracts which are the first line of defence against infection, helps maintain bone health and supports healthy skin. Size: 80 capsules