Pure Omega -3 fish oil + cod liver oil capsules Aquamarine capsules contain a unique high purity marine oil formula that conveniently provides the benefits of both Omega - 3 and Cod Liver oil in a 50/50 ratio. The high -grade oils used provide rich sources of the essential fatty acids, DHA (Docosahexaenoic acid) and EPA(eicosapentaenoic acid). Omega - 3 fatty acids are essential because although they can be made in the body , their conversion from other fatty acids in not very efficient. Therefore fish oils provide a valuable source dietary source.