High levels of harmful chemicals which could cause cancer have been found in cod liver oil sold by two major ... Two types of fish oil supplements sold by Superdrug and Holland & Barrett were ...

The secret, according to the scientists, is the omega-3 fats found in oily fish and cod liver oil. Scientists already knew that cod liver oil could help reduce inflammation in rheumatoid arthritis.

It turns out one of them did indeed pack a vitamin punch. These days, the words "cod liver oil" are vaguely sepia-tinged. They conjure up an image of a murky spoonful of something, brandished by a ...