Medical Scientists Internationally are encouraging people to eat more fish. Fish Body oil is the ONLY MAJOR SOURCE of Polyunsaturated Omega-3's EPA and DHA. For individuals who do not eat an oily fish diet, Carlson offers the Omega-3's EPA and DHA in easy to swallow soft gels. Each Carlson Norwegian Salmon oil soft gel contains 1 gram(1000mg) of salmon oil from salmon found in the deep, unpolluted waters of Norway. THIS PRODUCT is regularly tested using AOAC international protocols for potency and purity by and independent, FDA registered laboratory and found to be free of detectable levels of mercury, cadmium,lead,PCB's and 28 other contaminants.