The best food with very high nutritional value in the entire eco system is fish oil. The fish oil benefits identified till now are innumerable and in fact considered as the best food that can cure any dieses when it is properly fed to the patients. The oil which is obtained from the tissue of the fishes is called fish oil. All the fishes do not contain this substance only oily fishes like shark, Solomon have high content of oil with good nutritional value. The chemical compound present in fish oil is called omega which in turn has different type of derived organic chemical present in different types of fish. Peru, Iceland, Denmark and Norway are the leading producers of fish oil and exports all over the world. Peru continues to be the main fish oil producer worldwide, with about one fourth of total fish oil production.