Customer Reviews


Vetsulin Insulin U-40 Cartridge for VetPen
7 Reviews
7 Reviews
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Product is great, packing not so much
By AmyMo on Jan 26, 2021
I ordered this insulin because I'm away from home and couldn't go to my vet. I ordered 2 cartridges and they came very quickly. Since they have to be chilled, they came with ice packs. The box they were sent in was at least 12x12x12. The ice packs didn't take up that much room, so I was wondering why they were sent in a huge box.
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Chewy to the Rescue!
By Sadiladi on Dec 2, 2020
My vet was out of Vetsulin; they were kind enough to call other locations, but no one had it. Chewy did, and I received it the next day. It was less expensive as well. Thank you Chewy!
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Not so much
By bowlbuds2 on Oct 4, 2020
The insulin is real but I expected to get a bigger vial. Same price as other sites less volume
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Insulin cartridge
By Neice on Oct 1, 2020
It’s great because they last for a while before replacing, depending on the dosage. Easy to I stall
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Insulin expires after 28 days opened
By kristin172429 on May 6, 2020
In response to the other reviewer with the small dog, insulin should be disposed of 28 days after opening the vial. You may see blood glucose begin to rise after that as the insulin degrades. Check with your vet! I like that these are at least smaller than the 10ml bottles. We only need 2 mls per month for our cat and I can't stand the idea of throwing away 8mls of insulin!
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be sure they send you the correct cartridge
By unhappyinSpokane on Oct 31, 2019
We hada recent delivery for our cat but the pharmacy sent the incorrect cartridge. It reads the same and has the correct amount but no way will it fit into our vet pen 16. Supposedly they are sending the correct one but there is no action on the account or tracker to say it is on the way in time. We will go today to find syringes in order to use the incorrect cartridge until our next autoship (3weeks out). Wewerevery satisfied with the vetpen up until now. Here's hoping things get back to normal soon and our cat doesn't suffer for it.
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Easy to use
By Karen on Sep 23, 2019
Very easy to use for person not used to giving shots. One cartridge last a long time for my small dog.