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Omega-3s are fatty acids and play an important role in healthy eating, as they are important for our heart health, brain, eye and nerve function. The essential omega-3 fat is called alpha - linolenic acid (ALA)...
This is considered essential as our bodies cannot make it, so we must get it from the food we eat. From ALA your body can make the other omega-3 fats, docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA). However, the ratio of omega-3 to omega 6 fat (linoleic acid) is important, because if our intake of omega-6 is too high, then our bodies convert less ALA to DHA and EPA.
Omega-3 fatty acids can be found in animal foods, such as fish and seafood, and plant-based foods, such as nuts, seeds and oils.