Vitabiotics Ultra Cod Liver Oil Capsules contain a super strength marine oil formula that conveniently provides the benefits of both omega-3 fish oil 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) which contributes to the maintenance of normal vision & brain function, together with EPA (Eicosapentaenoic acid) which contributes to normal heart function.