Seven Seas Cod Liver Oil is extracted from the liver of cod, which is a fatty fish. Cod liver is very rich in nutrients and is often used as a dietary supplement. Cod liver oil often has a strong fishy or oily flavor which may be masked with other flavorings. One brand of cod liver oil, made by Seven Seas, can provide a number of health benefits if used regularly as a supplement. Shipped from the UK to Europe and worldwide door to door.