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Cod Liver Oil Dosage

Daily Dose of Cod Liver Oil: 20-30ml

Supplementing with Cod Liver Oil

Cod Liver Oil has Omega-3 fatty acids which are good for the heart.
Photo Credit: http://www.flickr.com/photos/chrisinplymouth/

Cod Liver Oil is oil obtained from the liver of the codfish. Similar to Fish Oil, it contains omega-3 fatty acids. The difference between the two is that Cod Liver Oil has higher amounts of Vitamins A and D. Vitamin A is good for maintaining good vision and healthy skin, while Vitamin D is important for keeping bones strong and supporting the immune system. The omega-3 fatty acids in Cod Liver Oil have a number of health benefits. There is strong evidence that it can reduce the risk of cardiac death. It is used for high cholesterol, high triglycerides, high blood pressure, and heart disease. The omega-3 fatty acids prevent blood from clotting easily and reduce inflammation that can prevent many other unwanted health conditions. Cod Liver Oil is sometimes used to treat some symptoms of kidney disease in patients with diabetes.

There are many health benefits to Cod Liver Oil, especially for women. Besides heart benefits, omega-3s can also help treat rheumatoid arthritis by improving the joint tenderness and morning stiffness. Women are three times more likely to get rheumatoid arthritis strikes as compared to men. Omega-3s are also important in keeping bones strong to prevent osteoporosis by increasing calcium levels in the body. There is some research stating that Cod Liver Oil can be helpful in reducing menstrual pain. Higher intake of Omega-3s can lead to milder symptoms of menstruation. It can also benefit the skin by keeping skin hydrated, reducing inflammation that causes psoriasis and dermatitis.

The recommended dosage of Cod Liver Oil is 20-30mL for lowering triglycerides, cholesterol, and and blood pressure. Cod Liver Oil may be obtained by eating whole fish, however, since Omega-3 fatty acids are important for the heart, it isn’t a bad idea to take a supplement of 500mg daily. Higher doses than 3g daily can result in side effects like Vitamin A toxicity. People who are allergic to seafood may also be allergic to Cod Liver Oil.



  • Hixson SM1, Parrish CC. Substitution of fish oil with camelina oil and inclusion of camelina meal in diets fed to Atlantic cod (Gadus morhua) and their effects on growth, tissue lipid classes, and fatty acids. J Anim Sci. 2014 Mar;92(3):1055-67. PMID: 24496831.
  • DiNicolantonio JJ1, Meier P2, O’Keefe JH3. Omega-3 polyunsaturated fatty acids for the prevention of cardiovascular disease: do formulation, dosage & comparator matter? Mo Med. 2013 Nov-Dec;110(6):495-8. PMID: 24564001.

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