To Promote Cardiovascular, Joint, Brain & Vision Health. 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 substantial amounts of the Omega-3's EPA and DHA in easy-to-swallow soft gelatin capsules. Each Carlson NORWEGIAN SALMON OIL soft gels contains 1 gram (1000 mg) of fish oil extracted from salmon and other fish found in the deep, unpolluted waters near Norway.