Double checked 5 months ago, first checked September 2025
What the company told us
Correspondence on record, with the date of each entry.
Company email
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"We do use isinglass in all our cask products. We have trialled other things which aren’t as effective. Most of the pubs are looking for clarity not vegetarian. However, all our bottles, cans and kegs are all vegan friendly, none of them have isinglass in. Hop On is also gluten free."
Update
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"IT sent photos of Adder and Golden Plover bottles that say vegan friendly, and noted that Anvil cans and Pennine Ale bottles and cans are marked vegan on the brewery website. Updated listing based on website entries."