The main ingredients 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 blodks for the brain and nervous system. The many health benefits of the polyunsaturated fatty acids have been recognized for so long that many countries now add omega3 fish oils to many daily products like milk, juices and yogurts. EPA and DHA is thought to be one of the building blocks of the brain whilst EPA is a vital nutrient in brain function and nerve stimulation.