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The highest concentrations of omega-3 fatty acids are found in coldwater fish, such as sardines, salmon, herring, tuna, cod, mackerel, halibut, and shark. These fatty acids are also found in lower concentrations in plant foods such as flaxseed, walnuts, Great Northern beans, kidney beans, navy beans, and soybeans.
A variety of whole- and multi-grain products, such as bran and oats. Fatty fishes, such as salmon, mackerel and albacore tuna. Foods rich in antioxidants, such as fruits and vegetables. Foods high in omega-3 fatty acids, such as avocado, flax seeds, olive oil and canola oil.