It contains a super-strength marine oil formula that conveniently provides the benefits of omega-3 fish oil and cod liver oil in a 50:50 ratio. The high-quality oils used provide rich sources of essential fatty acids, DHA (Docosahexaenoic Acid) which contributes to maintaining normal vision and brain function, along with EPA (Eicosapentaenoic Acid) which contributes to normal heart function. Cod liver oil keeps your joints healthy and reduces inflammation and rheumatic pain.