Insuvet PZI -uk

Hello,
Can anyone please tell me how long a 10ml bottle of Insuvet PZI lasts once opened? Also, it is very expensive in the UK £58 from my vet which makes it almost unaffordable unless it lasts a long time. I also wondered if it was safe to buy over the Internet, doesn't shaking about denature Insulin?
Thank you,
Carol and Carbonel

 

Couple of sites for you

PZI info:
http://petdiabetes.wikia.com/wiki/Insuv ... amine_Zinc

The argument for Prozinc at least (which there have been a number of UK newbies come here using it and my friend did last autumn)
http://www.prozinc.us/for_vets.aspx

 

Is that the same as ProZinc? I think it lasts til the vial is empty, but I'm not 100% sure. Hopefully some of the peeps who use it will chime in...

I think a lot of people buy over the internet. I assume when vets get it it's been shipped to them, so I figure one way or another some shaking happens along the way. The PZI sticky has some links for comparison price-shopping - I think you will pay at least $80 or $90 plus shipping which is something like $30 in the states, so probably more than that overseas. But if you are on a low dose it should last for months.