Cod liver oil can be obtained from eating fresh cod liver or by taking supplements.
Cod liver oil is used as a source of vitamin A and vitamin D, and to treat high cholesterol and high triglyceride levels, kidney disease in people with diabetes, high blood pressure, heart disease, osteoarthritis, rheumatoid arthritis, depression, an autoimmune disease called systemic lupus erythematosus (SLE), glaucoma, and middle ear infections (otitis media). It is also used to prevent respiratory infections, and an age-related eye condition called macular degeneration.
Some people put cod liver oil on their skin to speed healing of wounds, burns, and rashes.
How does work?Cod liver oil contains certain "fatty acids" that prevent the blood from clotting easily. These fatty acids also reduce pain and swelling.
Uses;
Insufficient Evidence to Rate Effectiveness for...
Age-related macular degeneration. People who eat a lot of fish and take cod liver oil don't have a lower risk of developing this condition compared to people who just eat a lot of fish.
Irregular heartbeat. Taking cod liver oil by mouth might reduce a specific type of irregular heartbeat in some people. But it's not known if this reduces the risk of heart-related death. Taking cod liver oil by mouth does not seem to reduce irregular heartbeat in men with irregular heartbeat after a heart attack.
Depression. Taking cod liver oil has been linked with a 29% lower chance of older adults having