Pet Naturals of Vermont L-Lysine Cat Chews, 3.74-oz, 60 count

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Pet Naturals of Vermont L-Lysine supplement is designed to support the ideal health of your cat. These chicken liver flavored chews make a great addition to your cat's nutrition! 

Key Benefits

  • Supports normal antibody enzyme anti hormone production
  • Very palatable chicken liver flavored chew!
  • Naturally formulated with the most pure and potent ingredients available
  • Supports respiratory, healthy tissue and ocular functions
  • L-lysine competes with L-arginine, which is the amino acid required by the herpes virus to replicate
  • Made in the USA!

See all items by Pet Naturals of Vermont

  • Item Number
  • Food Form
  • Lifestage
    All Stages, Adult
  • Made in
    United States
  • Supplement Form

Nutritional Info


  1. Chicken Liver Flavor, Starch, L-Lysine, Water, Soy Lecithin, Canola Oil, Brewer's Yeast, Glycerin, Oat Flour, Barley Flour, Rye Flour, Oat Meal, Calcium Sulfate, Maltodextrin, Sodium Alginate, Sorbic Acid, Propionic Acid (a Preservative), Mixed Tocopherol Blend (a Preservative).

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Customer Reviews

Rated 4.2 out of 5 by 127 reviewers.
Rated 5 out of 5 by My cat LOVES these "treats" I bought these to better my cat's immune system, because we've found a few fleas on her, and I read that brewer's yeast could help ward off the fleas(wanting to try anything to avoid chemicals). Something that they put in these treats make my cat go crazy, in a good way. It gives off that strong smell, which she loves. Now whenever she sees the bag, she starts meowing and tries to attack the bag. They are a bit bigger and harder, but I can tear them in half to help her eat them better. Not a big deal to me. Sometimes I only give 1 1/2 treats, but you can give up to 2. I will be keeping these in stock because she loves them, and I want her to have treats every now and then, just like we do with tuna. :) October 17, 2016
Rated 3 out of 5 by Dries out quickly When I first opened the bag, they were soft and my cats liked it. Now they are dried out and only my kitten will eat it. It is easier to buy l-lysine capsules at Vitamin World, open the capsule, and mix it in to their wet cat food. October 23, 2016
Rated 2 out of 5 by Too hard to chew The cats were interested but had trouble eating the treats. The second time I offered, no one wanted any. October 18, 2016
Rated 2 out of 5 by Anything but chewable! After reading such rave reviews about the benefits of lysine, I decided to give these chews a try. Five of my seven cats were struggling with an upper respiratory infection, so I thought it was a good time to implement this essential nutrient into their diet. I was very disappointed when I opened the package and handled one of the so-called-chewables. There is no way I was going to give these to the cats since they are not soft and certainly not chewable. They are like stale gummies. Rather than waste the product, I used my thumb nail to scrape off small particles that I then mixed in with their food. Only two of the cats would eat their food. Our vet gave us lysine gel in a pump, so I tried it. One cat loves the gel and will lick it off my finger, and a few others will eat it if it's mixed in with a smelly food like tuna. If I can't give the bag of chews away, they will be thrown out, but I am going to keep trying to incorporate the lysine gel into my cats' diet. February 2, 2016
Rated 5 out of 5 by Approved by my cats All my cats want them, however I specifically bought them for Abegale who has always had upper respiratory issues. She really likes them and gets extremely excited when she sees the bag. I feel like they are working for her, maybe it is in my head lol. It's a great deal because you get 60 treats per bag and you can give 1-2 treats daily so this can last you a while unless you have to give them to multiple cats. I was giving her 2 but decided 1 is fine since she has another lysine product (she is taking what she needs daily between the two). Thanks chewy for offering a great deal on these which encouraged me to order it for her. :) September 1, 2016
Rated 1 out of 5 by Cat hates them My cat does not eat these. I am thinking about returning them. that does not mean your cat may not like them. September 18, 2016
Rated 5 out of 5 by Miracle worker!! I work at an animal clinic and we have the hardest time figuring out what works best for these symptoms. I started noticing a major difference within the first few days on my own cat. A week goes by and I'm so happy with the results that's I'll never not have these in my house. Highly recommended! August 31, 2016
Rated 5 out of 5 by cat cough My cat is no longer coughing/sneezing after giving her this supplement for 2 or 3 days. Thanks to and the lady veterinarian on youtube for my cat's wellness!!! August 10, 2016
  • 2016-10-31 T06:35:14.207-05:00
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