Fish oils are oils derived from the tissues of oily fish. Fish oils contain a variety of essential omega-3 fatty acids, the most abundant ones being eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Omega-3 fatty acids really are essential for life. There are more than 40,000 published studies on EPA and DHA, including more than 4,000 human clinical trials. The clinical research around omega-3s supports the opinion that adequate consumption generates positive impacts on many areas for overall wellness, including heart, brain, eye, and prenatal/maternal health. (Reference: https://goedomega3.com/about-epa-and-dha) EFSA have recognised the importance of Omega-3 and have permitted health claims related to blood pressure, brain function, vision and cardiac function as a result of the scientific literature.