Natural Factors 100% Wild Alaskan Salmon Oil - 1300 mg - Bonus Size - The wild salmon used to produce the oil come from the pristine waters of Alaska, where the deep waters of the north pacific are amongst the most unpolluted in the world. The oil is extracted from already harvested salmon, using parts that would otherwise be wasted, thereby conserving existing salmon stocks. A controlled temperature proprietary extraction method ensures the sensitive nutrients are preserved and the Enteripure enteric softgel technology guarantees targeted delivery to the small intestine with no fishy aftertaste.