Zenith Brain Getting more omega-3 is as simple as consuming more cold normal water fish such as Spanish mackerel, salmon, seafood, haddock, lake trout, or herring. If contaminated fish resources scare you supplementing with omega-3 unhealthy ingredients are an outstanding way to get your omega-3. Chickens that are fed a fish food mixture will generate chicken eggs wealthy in omega-3. Peanuts and flax are other resources of this much needed vitamin.