Fish oil is one of the most popular supplements in America, boasting a booming, one billion dollar business each year, according to Harvard Health Publishing. Cod liver oil is one particular type ...

Lowering blood fats called triglycerides. Taking cod liver oil by mouth can reduce triglyceride levels by 20% to 50% in people with high triglyceride levels. Coronavirus disease 2019 (COVID-19).

Background Cod liver oil is an important source of vitamin D, but also contains other fat-soluble components such as vitamin A. Before 1999, the cod liver oil formula in Norway contained a high ...