NAF are proud therefore to offer you and your horse this blend of premium quality vegetarian oils, which provide an ethical alternative to Cod Liver Oil. Cod Liver Oil is renowned for being rich in Omega 3 and 6 fatty acids, and these are now also provided by I Can't Believe It's Not Cod Liver Oil. Research highlights the benefits of Omega 3 and Omega 6 for general health, and there is evidence that they may support joint health, immunity and a shiny coat