What is the primary source of Omega-3 fatty acids?

The primary source of Omega-3 fatty acids is fish. Fish, particularly fatty fish such as salmon, mackerel, sardines, and trout, are rich in two important types of Omega-3s: EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid). These essential fatty acids are crucial for numerous bodily functions, including heart health, brain function, and reducing inflammation.

While some plant sources, like flaxseeds and walnuts, contain a different form of Omega-3 known as ALA (alpha-linolenic acid), the body must convert ALA to EPA and DHA, and this conversion is not very efficient. Therefore, fish stands out as the most direct and effective source of Omega-3 fatty acids in the diet, leading to its designation as the primary source among the options presented.

Other options such as red meat, whole grains, and fruits do not provide significant amounts of Omega-3 fatty acids; thus, they are not suitable primary sources of these essential nutrients.