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10 Best l lysine chews for cats of 2025
Explore top picks
Best Choice1
VetoquinolVetoquinol Enisyl-F Lysine Bites: L-Lysine Chews for Cats & Kittens - Chicken Liver-Flavor, 6.4oz (180g) Recloseable Bag
9.8Exceptional
Our Rating
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Value for Money2
VETRISCIENCEVetriScience Extra Strength Lysine Immunity Health Chews - Immunity Supplement for Cats of All Ages - Supports Immune Function, Eye Health & Cardiovascular Function - 120 Count
9.5Excellent
Our Rating
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3
VETRISCIENCEVetriScience Lysine Immunity Health Chews, 250 mg Lysine Plus Immune Supplement for Cats and Kittens with Allergies, Sneezing, Runny Nose and Watery Eyes, Chicken, 120 Count
9.4Excellent
Our Rating
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4
OptixCareOptixcare 72-2 L-Lysine Chews for Cats & Kittens, 60 Count (Pack of 1)
9.3Excellent
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5
Balanced BreedBalanced Breed L-Lysine Cats Immune Support Soft Chews Made in USA Vet-Pharmacist Approved Seasonal Allergy Relief Cat Vitamins Indoor Cats Supplements Krill Oil Asthma Relief Cat Lysine Treats NonGMO
Key specs-
Immune Support:Cat immune booster
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Respiratory Health:Cat respiratory support
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Lysine:Cat lysine treats
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Natural Ingredients:Natural lysine cat treats
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Eye Health:N/A
9.2Excellent
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6
Pet NaturalsPet Naturals Lysine for Cats, Chicken Flavor, 60 Chews - Immune and Respiratory Support for Cats - No Wheat or Corn - Vet Recommended
Key specs-
Immune Support:Supports immune system
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Respiratory Health:Supports upper respiratory health
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Lysine:250mg per treat
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Natural Ingredients:No wheat, corn, artificial
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Eye Health:Watery, irritated eyes
9.1Excellent
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7
TOMLYNTomlyn Immune Support Daily L-Lysine Supplement, Fish-Flavored Lysine Chews for Cats and Kittens, 30ct
Key specs-
Function:Supports normal eye function
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Form:Chews
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Age Range:Cats and kittens
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Ingredients:L-Lysine
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Health Benefits:Immune support, respiratory health
8.9Very Good
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8
In CloverIn Clover Spry Daily Respiratory and Ocular Support Soft Chews for Cats, with L-Lysine, Superfoods, and Prebiotics for a Strong Immune System, 2.1 oz. (60 count)
Key specs-
Immune Support:Boosts body's defense systems
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Respiratory Health:Supports lung health
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Lysine:Clinically tested levels
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Natural Ingredients:Whole blueberries, sweet potatoes
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Eye Health:Supports eye health
8.7Very Good
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9
WONTECHMIWONTECHMI L-Lysine Supplement for Cats, Cat Vitamins for Sneezing, Runny Nose, Cold, Immune Support, Eye Function and Respiratory Health, Natural Lysine Cat Treats (120 Chews, Tuna)
8.6Very Good
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10
HEYISMEHEYISME Lysine Supplement for Cats, Cat Treats for Sneezing and Runny Nose, Cat Cold, Cat Immune Support, Eye Function, and Respiratory Health, L-Lysine cat Vitamins for Cats (120 Pills, Salmon)
Key specs-
Pet Age:All ages
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Function:Joint & Immune Support
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Form:Cat Treats
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Ingredients:L-Lysine, Omega 3, Krill Oil
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Health Benefits:Allergy, Joint, Immunity
8.3Good
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