Abstract: Fish oil is the oil derived from the tissues of oily fish. It is recommended for a healthy diet because it contains the omega-3 fatty acids, eicosapentaenoic acid (EPA) and decosahexaenoic acid (DHA), precursors to eicosanoids that reduce inflammation throughout the body. Fish oils are required to be added in minute quantities for optimum health benefit, cellular metabolism and normal physiological functions. In recent times, seafood is getting more focus on account of its richness in omega-3 fatty acid. Numerous investigations carried out reveal the health benefits of omega-3 fatty acids as a nutritional supplement against various life threatening diseases like cardiovascular diseases, cancers, skin diseases and many inflammatory diseases etc. They also play a significant role for the proper growth and development of the foetus. National and International health authorities have set up recommendation of daily fish oil intake due to the immense health potential it carries and it is necessary to create an awareness in the society on its importance, as the modern world has become a hub of various lifestyle diseases.