Omega-3 fatty acids are a family of polyunsaturated fatty acids, some of which are beneficial for the body. Some of these nutritionally important omega-3 fatty acids are a-linolenic acid (ALA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Unfortunately, plants are the only organisms that can naturally produce omega-3. This is why plants, especially seeds, contain high amounts of omega-3 fatty acid. And among these plant sources, flaxseed contains the most omega-3. Fish get their Omega-3 from the plankton or algae they feed on (e.g., herring, sardines and anchovies). Carnivorous fish such as salmon and cod get their omega-3 from the smaller fish they eat.
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