Cod liver oil, as its name suggests, is an oil extracted from cod livers. It is a nutritional supplement, in the past commonly given to children. Cod liver oil is one of the most effective providers of omega-3 fatty acids, an excellent source of vitamin A and vitamin D, and also contains (EPA and DHA). It is widely taken to ease the pain and joint stiffness associated with arthritis but has also been clinically proven to have a positive effect on heart, bone and brain health, as well as helping to nourish skin, hair and nails.
High quality cod liver oil is "a pale-yellow, thin, oily liquid, having a peculiar, slightly fishy, but not rancid odor, and a bland, slightly fishy taste."
