Fresh from the start. Carlson Norwegian Omega-3 Cod Liver Oil in Lemon flavor is a product of closely managed process from sea to store. Our high quality, deep, cold water fish come from the coast of Norway using traditional, sustainable fishing methods. The same day they are transported to a highly-regulated Norwegian facility for processing and purification. Next,it our pure Cod Liver Oil is bottled with a touch of natural vitamin E and is given a nitrogen flush to prevent oxidation. Finally it is shipped to us and is tested by an FDA-registered laboratory for freshness, potency, and purity. This product is guaranteed fresh, fully potent, pure and free of detrimental levels of mercury, cadmium, lead, PCB’s and 28 other contaminants. That is the reason why Carlson Norwegian Omega-3 Cod Liver Oil has received numerous awards for its taste and quality.