Mason Natural Cod Liver Oil with Vitamin A, C, & D Chewables (Orange Flavor) - Support Heart, Brain, Eye, Skin & Immune System, 100 Tablets Derived from the liver of cod fish, Cod Liver Oil may promote strong bones, help maintain healthy cholesterol levels, and nutritionally support healthy joints and skin. Additionally, these "good" oils protect your vision and heart, promote a healthy inflammatory response and help boost your immune system. Available in softgels and also as chewable for people who have difficulty digesting oil and for those who do not tolerate the taste of cod liver oil. This chewable favorite is a rich source of vitamins A & D and Omega-3 fatty acids, EPA and DHA.