Company email (February 2012):
"We use no animal products in our brewing process. I have a hunch, you may be referring to the all to common use of isinglass (fish bladder based) in breweries as a clarifying agent. We do not use isinglass. Our brews consist of grain, hops, water and Belgian yeast."
Boom Island Yule Ale
Vegan
This product is listed as vegan friendly.
What the company told us
Correspondence on record, with the date of each entry.