Will Falconer, DVM Moderator
Looking only at data supplied by the company, I can see they've apparently done some careful work (and gotten better results over the few years they've done trials). Being a homeopath myself, I can't comment on the formula, which is herbal. Perhaps a member of the veterinary herbalist's group would have a better take on it.
I'll do this: I have a colleague in this latter group, who's also a homeopath, and I'll see if she'd comment for us. Stay tuned.