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🛡️ Keep your cat thriving with every chew — because their health deserves the best!
NaturVet L-Lysine Immune Support Plus Antioxidants is a veterinarian-formulated cat supplement designed to enhance immune function and support eye health. Featuring a potent blend of L-Lysine, antioxidants, and amino acids, these soft chews provide a 30-day supply of daily wellness support. Made in the USA with high-quality, wheat-free ingredients, this supplement is trusted by pet owners since 1994 to keep cats active, healthy, and vibrant.











| ASIN | B07S32LLWM |
| Best Sellers Rank | #75,327 in Pet Supplies ( See Top 100 in Pet Supplies ) #24 in Cat Antioxidant Supplements |
| Brand | NaturVet |
| Brand Name | NaturVet |
| Customer Reviews | 3.5 out of 5 stars 303 Reviews |
| Item Form | Chewable |
| Item Highlight | Support Eye Health, Immune System for Cats, Includes Amino Acids, Soft Chews, 30-Day Supply |
| Manufacturer | Garmon Corp. / Naturvet |
| Manufacturer Part Number | 79903732 |
| Model Number | 79903732 |
| Product Benefits | Softening |
| Target Species | Cat |
| UPC | 797801037327 |
| Unit Count | 60 Count |
M**N
Fast working!
I bought these for my cat with upper respiratory issues and within three days of treatment her symptoms significantly diminished. Her eyes are no longer runny and the sneezing has stopped. While i can't speak for the taste, her reaction says they must be quite good. My cat jumps for joy when she hears me get the container out and impatiently waits for her "treat". She now reminds me when it's time. The treats are a bit thick and are harder in texture than some but this hasn't been a huge issue. The treat does not have a soft, squishy texture nor does it have the hard, crunchy texture of kibble but is somewhere in between.
L**N
Way too hard
I have purchased other NaturVet supplements and have never had the issue I had with these lysine chews. They are so hard. Not expired and they were sealed. Not sure what happened but my cat can't even chew them and I can barely cut them in half with a serrated knife.
D**N
Helps cats immune
My cats eyes were suffering from the forced heat of the winter months after 2 days of these his eyes are all cleared. He seems to eat them up no issues just like giving him regular treats!
M**S
Good brand but my cat did not like them
Ordered it for my cat that has a running nose. Keep reading that L-Lysine is a good supplement to give them. I ordered this but my cat literally turns up his nose to it. He eats other treats but won’t eat these. I did notice they were hard and not a “soft chew” as described. They are also a too big so I had to cut it in half. They do have a funky smell and that may be why my cat is not interested. This is a good brand because I bought my dog his glucose supplements from this company and my dog did eat them. So if your cat is a picky eater these may not be a good idea
A**A
Kitten
Good product for my kitten
J**S
My Cat LOVES These!!!
When I bought these, there were no reviews, but I liked the product description, so decided to "take a chance". I just logged on to re-order, and even though I normally don't write reviews, I felt compelled to write of my very positive experience in view of the only existing review, which was highly negative, based on that cat's reaction. I'm in my late 70's, and have had cats my entire life, and if there's anything predictable about cats, it's the fact that they are unpredictable - that's part of their charm. So, being that cats are so highly individual, there's only one way to find out if your particular cat will like these or not, and that's to try them. As for as for them drying out, I always keep this type of thing in a small Tupperware or similar airtight food storage bow, which keeps them fresh.
S**Y
Hard and dried out.
I used to purchase these consistently for my cat who has recurring respiratory issues from kennel she was adopted from. They used to be soft and she would come running for one. This time she would not eat them. They have gotten less and less fresh. I would not buy again and will be switching brands after this last one.
A**R
Made my cat sick
These are hard and my cat refused to eat them, I cut them up and mixed them into her regular food,,,she ate them and has been throwing up all over the house for three days. To add insult to injury, they are non returnable
Trustpilot
2 months ago
3 days ago