Any views here on best places to get this, its seems to be suiting my girl very nicely and my vet very kindly suggested if this was going tobe the case that buying on line would be cheaper than prescribed from surgery.
Many thanks.

my vet very kindly suggested if this was going tobe the case that buying on line would be cheaper than prescribed from surgery.

He may be right, that is the case with some things, simply do a google & see what prices you come up with, there's usually quite a variation on many things.

Easy to understand really, the vet makes money on a veterinary service and medications, the retailers only need make on the medications.
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Zylkene is usually much cheaper online, although it's still a very expensive supplement IMO (which is what it is, it isn't medication per se).

Just shop around - Vet UK or Animed Direct are often cheap.

I get mine from here

http://www.petdrugsonline.co.uk

Thanks all, I have ordered some as it does seem to be helping her!
I hadn't realized she was as stressy as she is until comparing her  behavior with the new(ish) boy in our home.
Karen