Carlson Labs Norwegian Cod Liver Oil provides the important omega-3 fatty acids from deep cold ocean-water fish. Medical studies have shown to promote healthy brain function and support normal vision. Medical scientists internationally are encouraging people to eat more fish. Fish body oil is the only major source of the polyunsaturated Omega 3's EPA and DHA. For those individuals who do not eat an oily fish diet, Carlson offers Omega-3's in an easy-to-swallow soft gel