Company email:
We used Isenglas on the 2001 Riesling but not on any other wines.
All newer vintages are vegan, we use a paper filter and no fining agents at all.
Adddional email:
"We used Isinglass on our 2001 Riesling. All other wines are vegan."
Frogpond Farm (post 2001)
Vegan
This product is listed as vegan friendly.
What the company told us
Correspondence on record, with the date of each entry.