Cod liver oil is a type of fish oil that's especially high in healthy, polyunsaturated fats known as omega-3s and omega-6s.

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 ...

Is cod liver oil safe for everyone? The World Health Organisation recommends eating one or two portions of oily fish a week, equivalent to 200-500mg of EPA and DHA. Those with an allergy to fish or ...