The Fform Elixir is something that is not spoken of too much at The Stable, generally only used by the staff and some of their trusted clients, asking about the legalities of it are not a good idea. ;)

If you'd like to learn more about the comic, including how to ask character questions check out the patreon page! +$3 patrons get to ask character questions and have them answered by the staff! :)
https://www.patreon.com/Brushfire