... The prevention of Alzheimer's disease Fish oil capsules What is fish oil? Why Fish Oil? Fish oil is rich in EPA (eicosapentaenoic ... acid), DHA (docosahexaenoic acid) and fish oil. Ordinary fish containing EPA, DHA minimal amount, only in cold regions ... DHA, which the highest concentrations of marine oily fish, some freshwater fish also contain a certain amount of EPA and DHA ...