Definition of "cod liver oil" []

• A nutritional supplement derived from the liver of cod fish which has high levels of omega-3 fatty acids, EPA and DHA, and very high levels of vitamin A and vitamin D. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "Older adults remember being given a tablespoon of cod liver oil for medicinal purposes, but this is not currently recommended because of potential risks related to contaminants as well as the cumulative effects of too much vitamin A."
• "Nordic won the “Best Choice” award from Environmental Defense, an environmental organization, as well as a “Best Taste” award for its cod liver oil from the American Culinary Institute."