Seven Seas contains cod liver oil, a rich and natural source of omega 3 fatty acids (DHA & EPA) and vitamins A and D. Seven Seas Cod Liver Oil is a safe, natural, and easy way to meet adults and kids nutrition needs: DHA helps the brain develop, vitamins A and D support eyes, bones, and teeth, Omega 3 fatty acids and vitamins support immunity the foundation of a healthy life begins with good nutrition.