Company email (June 2011):
"Sourpuss products do not use any animal ingredients nor filtering aids.
The product is produced and bottled in our plant in Princeton MN as stated on the package.
We control all aspects of production. The colours used are FD&C colours."
Sour Puss Liquor
Vegan
This product is listed as vegan friendly.
What the company told us
Correspondence on record, with the date of each entry.