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Cod Liver Oil

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What other names is Cod Liver Oil known by?

Aceite de Higado de Bacalao, Acides Gras Oméga 3, Acides Gras N-3, Acides Gras Polyinsaturés, Cod Oil, Fish Liver Oil, Fish Oil, Halibut Liver Oil, Huile de Foie, Huile de Foie de Flétan, Huile de Foie de Morue, Huile de Foie de Poisson, Huile de Morue, Huile de Poisson, Liver Oil, N-3 Fatty Acids, Omega 3, Oméga 3, Omega 3 Fatty Acids, Omega-3, Omega-3 Fatty Acids, Polyunsaturated Fatty Acids.

What is Cod Liver Oil?

Cod liver oil can be obtained from eating fresh cod liver or by taking supplements.

Cod liver oil is used for high cholesterol, high triglycerides, kidney disease in people with diabetes, high blood pressure, heart disease, osteoarthritis, depression, an autoimmune disease called systemic lupus erythematosus (SLE), glaucoma, and middle ear infections (otitis media).

Some people put cod liver oil on their skin to speed wound healing.

When taken in appropriate doses by mouth, cod liver oil seems to help lower high triglycerides (a type of blood fat), lower high blood pressure, and treat some symptoms of kidney disease related to diabetes. It doesn't seem to lower high cholesterol or reduce arthritis pain. Other uses are still under investigation.

Likely Effective for...

Possibly Effective for...

  • High blood pressure. Taking cod liver oil by mouth seems to lower blood pressure (both numbers) a small, but important, amount in people with mild high blood pressure.
  • Kidney disease in people with type 2 diabetes. Taking cod liver oil seems to reduce protein in the urine, a marker for kidney disease severity.

Possibly Ineffective for...

Insufficient Evidence to Rate Effectiveness for...

  • Depression. There is some evidence that people who take cod liver oil have fewer symptoms of depression than other people.
  • Irregular heartbeat in people with heart disease. There is some early evidence that cod liver oil might help to prevent certain types of irregular heartbeat.
  • Ear infections in young children. Preliminary research suggests that taking cod liver oil along with a children's multivitamin-mineral product containing selenium might prevent or decrease the number of ear infections in young children.
  • Heart disease.
  • Systemic lupus erythematosus (SLE).
  • Wound healing.
  • Glaucoma.
  • Other conditions.
More evidence is needed to rate cod liver oil for these uses.

Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).

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