Scottish brisling (wild-caught from Scottish sea lochs and coastal waters), oak-smoked, hand-packed since 1948. Non-GMO Project Verified, BPA-free can.
Crown Prince is the health food store equivalent of King Oscar, similar product with different market positioning. The omega-3 content is high. Available at Whole Foods, Vitacost, and natural food stores nationwide.
Their mustard variant has the highest omega-3 per serving in the line.