this may lead you to a local source:
https://freerepublic.com/focus/chat/3948996/posts?page=1958#1958
the product should be available over the counter.
Fred, it’s not over-the-counter; Jane long had to get a prescription.
That’s why people are buying the horse paste.
And some feed stores have signs in front of the cheap brand ($3.99) saying ‘not for human consumption’ and the cheap brand is sold out.
No sign in front of the more expensive brand ($9.99) though.