Essential Fatty Acids (EFAs) are called essential because your body can’t produce them; they must be obtained through diet. Omega-3 essential fatty acids support the brain, heart, circulation, and overall health. Flaxseed oil and chia seeds are among the best plant sources of omega-3s, while evening primrose and borage provide additional EFAs. Vegetarians, or people who prefer an alternative to fish, can choose from webber naturals plant-sourced omega-3 supplements.