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VetriScience Vetri-Lysine Plus Immune Health Bite-Sized Cat Chews, 120 count

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Product Description

Vetri-Lysine Plus is a highly palatable chicken liver flavored soft chew formula designed to support Immune System Function.

Key Benefits

  • Contains Lysine and DMG for immune support
  • Supports Immune system Function
  • Collagen formation
  • Supports tissue repair
  • Antioxidant activity
  • Antibody and Lymphocyte production

See all items by VetriScience »

Item Number 57621
  • Adult
Country of Origin
  • United States
Food Form
  • Treats
Supplement Form
  • Chews

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Important Information


Per 2 Chews: L-Lysine 250 mg N, N-Dimethylglycine (DMG) HCl 50 mg Inactive Ingredients: brewers yeast, canola oil, chicken liver flavor, citric acid, glycerin, mixed tocopherols, propionic acid, proprietary blend (maltodextrin, sodium alginate and calcium sulfate), rosemary extract, silicon dioxide, soy lecithin, vegetable oil.

Customer Ratings & Reviews

Rated 4.6 out of 5 by 124 reviewers.
Rated 5 out of 5 by This product stopped my cats sneezing in the first two days!! I have a 6 year old Persian who has the herpes virus and has sneezed since she was born. The virus was passed to my other cat and they were both sneezing and had runny eyes. I started giving them both these treats and within two days they both stopped sneezing and their eyes have cleared up. I just wish I would have researched this a long time ago. I would highly recommend this product. November 4, 2013
Rated 5 out of 5 by A Salvation for Our Rescue Cat I adopted a adult cat from a cat shelter that apparently has issues with upper respiratory problems. After falling completely in love with him after a month, I took him to the vet with a terrible cold. He was tested, and has a chronic respiratory problem that he soon passed on to my other cats. My husband said he had to go back because our vet bill soon doubled , tripled, and quickly grew. It was awful listening to 5 cats coughing, sneezing, and watching them all suffer. We finally got everyone somewhat healthy when my vet suggested these to see if they would help. NOT ONE SNEEZE, not one runny nose, or cough has any cat had since having my cats on these...AND THEY LOVE THEM. I will be on autoship with these because I need these in my home. They have helped to increase my cats immune systems, and for the issues George has, these are working perfectly. I saw a bad review from someone who appears to have used these with the idea that they will cure a cold in a cat. That is not what they do. They are supplements to help boost a cat's immune system (which they have in my cats), but an ill cat needs to be vetted and brought to a reasonable level of good health, then the use of these are very beneficial. I sincerely hope her cat is ok now, as respiratory problems can be very dire for cats, and also very contagious to other cats. So with the help of medications from your Veterinarian and then these as a supplement, a reasonably healthy life can be achieved. December 23, 2014
Rated 5 out of 5 by Very good supplement This supplement is very good as a everyday supplement to help keep your cat healthy or to help them recover from illness. My vet prescribed this for my cat suffering from a chronic sinus infection and said it was a good idea for most cats. My cat has recovered from the infection and now takes one a day as a preventative to aid in the immune system. The best part of the supplement is the cats actually like them and think they are getting a treat. December 8, 2013
Rated 5 out of 5 by Helps both my cats My cats have herpes, which manifests differently for each of them. These chews help Patches with her "congestion": she makes piglet noises, especially when she eats. Under my vet's instructions, she gets up to 4/day and she sounds more comfortable. Eliot's eyes bother him once in a while, and I'll notice him walking around with one eye shut. But after one serving of these chews, his eye will be open and clear in 24 hours.'s prices are the best I've found, too. August 5, 2014
Rated 1 out of 5 by Cat would not eat this product Cat would not eat any of three different lysine chews I bought. I finally found an oral paste that she would accept. April 15, 2014
Rated 5 out of 5 by Even if you have a stubborn cat I have 1 cat that won't eat any treats but when I gave her these she ate it !! I have 7 cats and crushing pills and keeping track of who was eating was impossible this treat form saves the day so glad I auto shipped !! December 27, 2015
Rated 5 out of 5 by VetriScience Cat Chews I bought these since they were cheaper than the other brand; I checked with my veterinarian to make sure they were the same; and they are. My cat didn't like them at first, but then I cut them into bite size pieces and now he takes them with no problem. He actually looks forward to getting them. I give him 2 in the a.m. and 1 at night. November 2, 2015
Rated 5 out of 5 by Sneezing Gone! Both of my cats had this sneezy cat at a time. (No it wasn't an upper respiratory infection.) As soon as my older cat started it after the younger cat was better, I wanted to get something to improve their immunity to get rid of it. After the 3rd day of taking 2 chews (one a.m. and one p.m.) they stopped all symptoms. September 14, 2015
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