fish bladder

  • Guinness Is Ditching a Gross Secret Ingredient and Going Vegan

    Guinness’s brewing process has long involved the use of fish bladders, which play a role in the filtration process of the beer. But herbivores, rejoice: Guinness is going vegan.

  • There's Blood and Bladders in Your Wine

    Fining—the process of purifying wine of unwanted tannins, sediment, and colors—is often done with the help of some pretty freaky animal products, like blood, fish bladders, and crustacean exoskeletons. Vegetarians, drink up.