Essential Fatty Acids come in different forms - the most famous being Omega-3 and Omega-6 fats. The best sources of Omega-3 fats are Cod Liver Oil, Linseed Oil and other Fish Oils, while the best source of Omega-6 is Starflower Oil (also known as Borage Oil). For a full cover of EFA's, try our Omega 3,6,9 supplement which contains a triple whammy of Fish, Borage and Flaxseed Oils.