Vegetarians and vegans should be aware that isinglass, which is produced from the swim bladders of sturgeon and other fish, is often used in winemaking as a fining agent. FAQs about BBC Food ...

That is, unless the beer is made with isinglass, a surprisingly common fish-derived ingredient used during the beer brewing process. Because isinglass doesn't have a strong or noticeable flavor of ...

Beer is usually filtered to remove unwanted debris, but occasionally it's fined as well, sometimes using animal products such as isinglass or gelatine. For this reason, vegetarians and vegans ...