Cod liver oil and optimal health

Fish oil and fresh fish on light background

Cod liver oil is a fish oil supplement. It has a long history in medicine, dating back to the late 1700’s where is was first used to treat rheumatism and then rickets and a variety of other infections.

Similar to other fish oils, cod liver oil is high in Omega-3 fatty acids, which are linked to a variety of health benefits including reduced overall inflammation, improved brain function, heart health and lower blood pressure.

Cod liver oil also contains bioavailable forms of vitamins A and D, often deficient in the modern diet, provide many other health benefits contributing to optimal health and performance.

Typical nutritional profile of a 5 ml serving:

  • Calories: 45
  • Fat: 5g
  • Omega-3 fatty acids: 1000mg
  • Cholesterol: 25mg
  • Vitamin A: approx. 90% of RDI
  • Vitamin D: approx. 110% of RDI

Below are just some of the scientifically back health benefits of supplementing with cod liver oil:

Great source of vitamins A and D
Cod liver oil is incredibly nutritious food, providing approx. 90% of the daily requirement for vitamin A and over 100% of the daily vitamin D requirements.

Traditionally cod liver oil was given to children to support proper growth and brain development, stronger bones and a general protection from infection. It was also taken by mothers during pregnancy and breast-feeding to support the optimal development of their infant.

Vitamin A has many roles in the human body, including maintaining eye health, the immune system, brain function and healthy skin.

It is also one of the best food sources of vitamin D, which has many important roles in the body including brain health and maintaining bone homeostasis by regulating calcium absorption.

Reduced inflammation
Inflammation is a natural process that helps the body fight infections and heal injuries.

In some cases however, this inflammation may continue at low levels for extended periods of time. This is known as chronic inflammation, which is harmful and may increase the risk high blood pressure and several other health conditions.

The omega-3 fatty acids in cod liver oil may help suppress chronic inflammation.

Improved bone health
Having strong bones is incredibly important, especially as you enter advanced age. It is common for people to begin to have a reduction in bone density levels from about the age of 30 years. This can lead to fractures and breaks later in life, especially in women after menopause.

Cod liver oil is a great dietary source of vitamin D and may reduce age-related bone loss. That’s because it helps your body absorb and regulate calcium, which is a necessary mineral for strong and healthy bones.

Reduced joint pain and rheumatoid arthritis symptoms
Rheumatoid arthritis is an autoimmune disease that is characterized by damage to the joints.

There is currently no cure for rheumatoid arthritis. This study however, suggests that cod liver oil may reduce joint pain and improve some of the symptoms of rheumatoid arthritis like joint stiffness and swelling.

In fact, cod liver oil has been used to treat patients with rheumatism since the late 1700’s.

Supports eye health
Cod liver oil is a great source of omega-3 fatty acids, in particular DHA and vitamin A, both of which may protect against vision loss from age related and inflammatory eye diseases.

To summarise
Cod liver oil is an incredibly nutritious food supplement. It is convent and contains high amounts of Omega-3 fatty acids, along with bioavailable forms of vitamins A and D which are important to optimal health and performance.

Traditionally used to support the proper growth and development of young children, it also has many other health promoting benefits.

Adding cod liver oil to your diet may provide health benefits such as improved bone density, an increased protection against general illness and a reduction in joint pain for those suffering from rheumatoid arthritis.

In general, dosing is usually between 1 and 2 teaspoons (5-10ml) per day. For those who can’t handle the taste it also comes in capsule form.

Alternatively, you can add your daily dose to a small glass of fresh juice or water.

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