I take supplements. For several years now I have taken Omega-3 supplements, because I do not believe I can get enough through foods alone. WHAT IS OMEGA-3 Omega-3 fatty acids are a group of different fats. Here is the science! The three main types of Omega-3 are: Alpha-linolenic acid (ALA) Docosahexaenoic acid (DHA) Eicosapentaenoic acid