Does anyone know what the fish oil additive is used for? I was recently researching how Trader Joe's coffee is so inexpensive and found some reviews noting a "

Does anyone know what the fish oil additive is used for? I was recently researching how Trader Joe's coffee is so inexpensive and found some reviews noting a "fish sauce" flavor and a "fishy" flavor in two TJs coffee products. https://www.thrillist.com/culture/best-trader-joe-s-coffee-tasted-and-ranked-by-toby-s-estate-experts https://www.thrillist.com/culture/best-trader-joe-s-coffee-t...