Water, grain, malt, hops and yeast may not be the only ingredients used in the production of your favorite brew. Did you know that the process might also include animal-derived products such as glycerin, casein, isinglass or even bugs? Many breweries use animal products as fining (clarifying) agents, foaming agents, coloring and flavoring, which means that their beers are not suitable for vegans, or most vegetarians.
If you are vegan or vegetarian, or have vegan or vegetarian frien...
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