Essential Fatty Acids (EFA): Reference and Dietary Sources
Omega-3s come from animal and plant origins. Plant sources include flaxseed (linseed), soybean, and canola oils. Cold-water fatty fish, such as salmon, mackerel, tuna, herring, and sardines, contain higher amounts of omega-3s, whereas bass, tilapia and cod, as well as shellfish contain lower levels.
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