Company email (October 2012):
"We do not use animal products or by-products in our refining technique. All agents used are synthetic.
We are the only producers of our brand - nothing under license anywhere else in the world."
Mash Challenger IPA
by Mash Brewing
Vegan
This product is listed as vegan friendly.
What the company told us
Correspondence on record, with the date of each entry.