Vitabiotics Ultra Fish Oils is a range of pharmaceutical grade fish oils designed to meet the highest quality and purity standards appealing to those who are looking for the best marine oils available. Ultra fish oil capsules are high in strength, with over 60% Omega-3 fatty acids and are produced in Norway to the highest purity standards. Ultra Omega-3 provides a rich source of DHA and EPA as well as Vitamin E. EPA and DHA are classed as essential fatty acids because they cannot be made efficiently by the body and must be obtained through the diet. DHA contributes to the maintenance of normal vision and brain function . Both DHA & EPA contribute to the normal function of the heart.