The yellow colored oil extracted from fish gives us the cod liver oil. The oil contains high amounts of omega 3 fats and vitamins. The oil has medicinal and anti-inflammatory properties. It is used as a supplement since the olden times. Patients who have arthritis can take it for curing joint pain. It helps in improving the health of heart. Applying the oil externally on wounds helps in a better healing. The Vitamin D present in this oil improves brain functioning and cognitive performance. Cod liver oil helps in fighting infections also. We will explain some other benefits of this wonder supplement. Following are the top 31 benefits of cod liver oil.