14. Salmon Fish Oil
Aside from salmon that you can cook and eat, salmon fish oil is also a good source of DHA, containing 4,767 mg for every tablespoon. This food supplement should be taken with the approval of a health practitioner to make sure that it does not exceed your required daily intake of DHA.
15. Herring
Three ounces has 1,885 mg of DHA. Potassium, calcium, vitamins C, B6, B12 and D, iron and magnesium can also be found in herring. Aside from eating this fish for its DHA content, it is also made into fish oil that is taken as a food supplement. They can be easily caught as they swim nearby banks and in large schools.
One thing to remember
DHA is not naturally produced by the body, so in order to get DHA that will promote better brain and heart health and help you maintain good overall health, you need to eat foods contain this omega-3 fatty acid. You will notice that plant seeds and several kinds of fish as well as fish oils are the bet sources of DHA. Most of the foods listed above contain more than the required value, so it is important to consume only the right amount that will not exceed your daily need.