The main ingredents are Omega3.polyunsaturated fatty acids.EPA,DHA .Deep -sea Fish Oil are now thought to be beneficial in a wide range of illnesses including depression,ME,bipolar disorder and ADHD.our body needs a daily supply of omega 3 to supply the essential building blocks for the brain and nervors system .the many health benefits of the polyunsaturated fatty acids have been recognized for so long that many countries now add omega 3fish oils to many daily products like milk ,juices and yogurts .EPA and DHA-the two active ingredients ,DHA is thought to be one of the building blocks o f the brain whilst EPA is a vital nutrient in brain function and nerve stimulation.