Cod fish

The Benefits of Cod Liver Oil

Most people remember a time when giving children a teaspoon of cod liver oil was common practice, a practice that has largely gone by the way side in over the past 30 years. The benefits of cod liver oil have been rediscovered and cod liver oil is making a comeback.

What is cod liver oil?

Cod liver oil is a nutritional supplement that is derived from livers of the Atlantic cod, a coldwater fish that inhabits the waters of the northern Atlantic Ocean. The livers are removed from the codfish and steamed, and the oil is extracted. Cod liver oil is a pale yellow liquid with a slightly fishy taste that on occasion can be as pungent as the smell of rotting fish—hence the addition of flavorings such as mint or lemon to mask the fishy flavor. Cod liver oil is not the same as fish oil, another potent source of Omega-3 fatty acids that is made from the whole fish.

Why is it good for you?

Packed with Omega-3 fatty acids EPA and DHA, and vitamins A and D, cod liver coil was often given to children in the 19th century to prevent rickets, bone deformities caused by a vitamin D deficiency. Today, researchers have discovered other diseases and health conditions that benefit from the intake of cod liver oil, including a significant reduction in joint inflammation and pain in adults suffering from arthritis, as well as middle ear infections in children. The vitamin D in cod liver oil has also been shown to reverse osteoporosis in women. Omega-3 fatty acids are especially important in brain development in children, but are effective at preventing cardiovascular disease in adults and reducing blood pressure levels caused by stress..

Do we really need it?

While cod liver oil is not considered an essential nutrient for our bodies, there are many reasons to take it. People who live in northern climates, north of the 42nd latitude for instance and who do not drink milk, which is heavily fortified with vitamin D, can benefit enormously from supplementing with cod liver oil. In fact, cod liver oil contains more vitamin D and A than any other food. In addition, cod liver oil is the most popular nutritional supplement in Europe, primarily because it contains large amounts of Omega-3 fatty acids.

How to take cod liver oil

Cod liver oil can be taken in the form of capsules or liquid. Some find it difficult to swallow an oily liquid and find it easier to take capsules; however, both are effective. Not all cod liver oil is created equal though. Most cod liver oil is imported from Norway and is of a lighter grade, containing fewer vitamins. It also goes rancid more quickly. Heavier grade cod liver oil has more vitamins, but may be difficult to find in the United States.

Environmental and other concerns

While cod liver can benefit certain individuals, it’s not necessary for everyone. There are also some other concerns to consider. Atlantic Cod, like many other fish populations are in danger of being over fished. And as mentioned, cod liver oil has very high amounts of vitamin A. Most people in the United States are not deficient in this particular vitamin, and it can in fact be toxic if taken in large quantities.

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