Dietary Supplement. High in EPA & DHA. Potency and purity guaranteed. Specializing in Norwegian Cod Liver Oil since 1982. Naturally-rich source of DHA and EPA. Carlson Cod Liver Oil comes from the livers of fresh cod fish found in the arctic ocean waters of Norway. The oil is separated from the liver tissues without the use of chemicals. To ensure the freshness of the oil, the air Inside the bottle is replaced with nitrogen and natural-source vitamin E is added. Omega-3's reported as glyceride units. Contaminant - free. This product is regularly tested (using AOAC international protocols) for freshness, potency and purity by an independent, FDA-registered laboratory and has been determined to be fresh, fully-potent and free of detectable levels of mercury, cadmium, lead, PCB's and 28 other contaminants. Bottled in Norway for maximum freshness.