Seattle – September 22, 2026 -- A whitefish sold in the freezer aisle of most major grocery stores is drawing new attention as a whole-food protein source, delivering 26 grams of complete protein per 3.5-ounce serving. Wild Alaska Sole, often labeled Wild Alaska Flounder in the U.S., comes from Alaskan waters and contains all nine essential amino acids the body cannot produce on its own.