It is found in cold water fatty fish and fish oil supplements, along with eicosapentaenoic acid (EPA). Vegetarian sources of
DHA come from seaweed.
DHA is essential for the proper functioning of our brains as adults, and for the development of our nervous system and visual abilities during the first 6 months of life. In addition, omega-3 fatty acids are part of a healthy diet that helps lower risk of heart disease.