Nutrition Market

COD liver oil Australia

Cod liver oil is a nutritional supplement derived from the liver of codfish. It has been used for centuries as a source of vitamins A and D, omega-3 fatty acids, and other nutrients. Cod liver oil was popularised in the 18th and 19th centuries as a cure-all treatment for various ailments. Today, it remains a popular supplement prized for its wide range of potential health benefits.

Composition of Cod Liver Oil

Cod liver oil contains high amounts of the fat-soluble vitamins A and D. It is one of the best natural sources of these essential vitamins. Cod liver oil also contains omega-3 fatty acids EPA and DHA, though in lower amounts than regular fish oil supplements. Other nutrients found in cod liver oil include vitamin E, vitamin K, and coenzyme Q10. The exact composition varies by brand and source.

Forms of Cod Liver Oil

Cod liver oil is available as a thick, yellowish liquid with a distinctive fishy odour and taste. Many people find the taste unpalatable. Cod liver oil also comes in softgel capsules, providing a more convenient way to take cod liver oil without the unpleasant flavour. Cod liver oil capsules vary in their concentrations of vitamins A and D.

Benefits of Cod Liver Oil

Improving Liver Health

One of the traditional uses of cod liver oil is supporting liver health and function. The omega-3 fatty acids help protect liver cells from inflammation that can lead to disease. Some studies have found that cod liver oil can help treat non-alcoholic fatty liver disease and other liver disorders.

Boosting Immune System

Cod liver oil’s high vitamin D content may help modulate immune function and response. Research indicates vitamin D deficiency is associated with increased risk of illness. Cod liver oil supplementation may help reduce susceptibility to conditions like the flu, common cold, and other infections.

Reducing Inflammation

The omega-3 fats in cod liver oil have powerful anti-inflammatory properties. Regularly taking cod liver oil capsules or liquid can help reduce chronic inflammation associated with arthritis, injuries, autoimmune disorders, and other conditions.

Supporting Brain Health

DHA, an omega-3 fatty acid found abundantly in cod liver oil, is critical for optimal brain development and function. Cod liver oil supplementation helps support cognition, learning, and overall mental health for both children and adults.

General Guidelines

For general health, the recommended daily dose is typically 1-2 teaspoons (5-10 mL) of liquid cod liver oil. Dosages for cod liver oil capsules vary widely depending on the concentrations of vitamins A and D. Always check the product label.

Considerations for Different Age Groups

Children may require much lower doses of cod liver oil based on their age and weight. Check with a paediatrician for an appropriate child-friendly dose. Seniors may also need adjusted doses.

Consulting a Healthcare Professional

Those with medical conditions or taking other medications should consult their doctor before taking cod liver oil. A physician can help determine the right cod liver oil dosage for your needs.

Using Cod Liver Oil for Rheumatoid Arthritis

Role of Cod Liver Oil in Managing Rheumatoid Arthritis

Rheumatoid arthritis causes joint inflammation, pain, and stiffness. The anti-inflammatory omega-3 fatty acids in cod liver oil can help relieve these symptoms by reducing swelling in the joints. Cod liver oil may also curb the progression of rheumatoid arthritis.

Studies and Evidence

Multiple studies demonstrate the efficacy of cod liver oil for reducing symptoms of rheumatoid arthritis like tender and swollen joints. In one study, cod liver oil combined with a supplement called Phytodolor significantly improved hand grip strength and morning stiffness in rheumatoid arthritis patients. More research is still needed though.

Cod Liver Oil and Vitamin Content

Rich Source of Vitamins A and D

Cod liver oil contains very high levels of the fat-soluble vitamins A and D. It has much higher amounts than many other food sources. Just one teaspoon of cod liver oil provides around 150% of the recommended daily intake for vitamin A and vitamin D.

Importance of Vitamins in Cod Liver Oil

These vitamins in cod liver oil support vision, bone health, immunity, cell growth, and more. Vitamins A and D act synergistically with the omega-3 fatty acids in cod liver oil to promote overall health and prevent disease.

How Vitamins Work in Conjunction with Other Components

The vitamins amplify the anti-inflammatory and antioxidant effects of the omega-3s found in cod liver oil. Vitamin A maintains cells and tissues while vitamin D aids in calcium absorption and bone formation. Together they optimise the benefits of cod liver oil.

Potential Side Effects and Precautions

Understanding Potential Side Effects

Potential side effects of cod liver oil may include belching, heartburn, nosebleeds, headache, and vitamin A toxicity at very high doses exceeding 10,000 IU daily. Always follow dosage guidelines.

Precautions and Considerations

Those with bleeding disorders or taking blood thinners like warfarin should use caution with cod liver oil due to the high vitamin K content. Cod liver oil can also interact with some medications.


Here are answers to some frequently asked questions about cod liver oil:

What are the benefits of cod liver oil?

Cod liver oil offers many potential benefits for health, including reducing inflammation, boosting immunity, supporting brain and heart health, and relieving joint stiffness. The omega-3s and vitamins in cod liver oil help protect against various diseases.

How much cod liver oil should I take daily?

The general recommended cod liver oil dosage is around 1-2 teaspoons (5-10mL) of liquid or 1 capsule daily. Dosage may vary based on your age, health needs, and medical conditions. Always follow product label directions.

Is cod liver oil safe to take daily?

For most healthy adults, taking the recommended dosage of cod liver oil daily is safe. Higher doses may cause side effects. Check with your doctor before taking cod liver oil regularly, especially if you have health issues or take medications.

What’s the difference between cod liver oil and regular fish oil?

Cod liver oil comes specifically from the liver of codfish and is very high in vitamins A and D. It has lower omega-3 content than regular fish oil supplements made from fish tissue, but offers unique health benefits from its vitamin content.

How does cod liver oil help rheumatoid arthritis?

The anti-inflammatory omega-3 fatty acids in cod liver oil can help relieve joint pain, stiffness, and swelling caused by rheumatoid arthritis. Cod liver oil may also help slow progression of the disease.

Is cod liver oil a good source of vitamin D?

Yes, cod liver oil is one of the best natural food sources of vitamin D. Just one teaspoon contains around 150% of the recommended daily intake for vitamin D. It’s an excellent way to prevent vitamin D deficiency.

Are there any side effects or precautions for taking cod liver oil?

Potential side effects may include belching, headache, and nosebleeds at high doses. Those on blood thinners or with bleeding disorders should exercise caution with cod liver oil due to the vitamin K content.

How do I take cod liver oil - capsules or liquid?

Both capsules and liquid cod liver oil provide the same benefits. Liquid may be preferable if you don't mind the fishy taste. Capsules provide more convenient dosing without any flavor. Choose your preferred form.

What's the difference between cod liver oil and fish oil supplements?

Cod liver oil comes from cod livers specifically and is very high in vitamins A and D. It has lower amounts of omega-3s than regular fish oils made from fish tissue and body oils. Both provide omega-3 benefits but cod liver oil also uniquely supplies high levels of fat-soluble vitamins.

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