L-Lysine for Cats

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Vetoquinol Viralys Powder Immune Supplement for Cats, 3.5-oz

Rated 4.6 out of 5 stars
2,068
$31.99 Chewy Price
($9.14/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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Vetoquinol Viralys Gel Immune Supplement for Cats, 5-fl oz

Rated 4.5 out of 5 stars
1,798
$25.98 Chewy Price
($5.20/fl oz) Price per Unit
$25.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

VetIQ Chicken Flavored Chew Allergy & Immune Supplement for Cats, 3.7-oz bag

Rated 4.4 out of 5 stars
37
$12.99 Chewy Price
($3.52/oz) Price per Unit
$14.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Zesty Paws Aller-Immune Bites Bacon Flavored Lysine Supplement for Cats, 60 count

Rated 3.5 out of 5 stars
495
$17.47 Chewy Price
($0.30/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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Vetoquinol Enisyl-F Lysine Bites Chicken & Liver Flavored Immune Supplement for Cats, 6.35-oz b...

Rated 3.9 out of 5 stars
721
$32.97 Chewy Price
($5.20/oz) Price per Unit
$32.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Tomlyn Immune Support L-Lysine Maple Flavor Gel Immune Supplement for Cats, 5-oz tube

Rated 4.4 out of 5 stars
223
$22.43 Chewy Price
($4.49/oz) Price per Unit
$23.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fera Pets Wellness Blend Powdered Supplement for Cats, 2.1-oz jar

Rated 4.4 out of 5 stars
60
$29.95 Chewy Price
($14.27/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Coco and Luna L-Lysine Immune Support Salmon Flavor Powder Cat Supplement, 4-oz jar

Rated 4.3 out of 5 stars
368
$22.99 Chewy Price
($5.75/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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Vetoquinol Enisyl-F Paste Immune Supplement for Cats, 100 mL

Rated 4.4 out of 5 stars
386
$46.46 Chewy Price
($0.47/mL) Price per Unit
$46.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Fera Pets Lysine Immune Powdered Supplement for Cats, 2.1-oz jar

Rated 3.9 out of 5 stars
152
$29.95 Chewy Price
($14.27/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Zesty Paws Allergy & Immune Chicken Flavored Mousse Lickable Supplement for Cats, 14 count

Rated 3.3 out of 5 stars
199
$16.47 Chewy Price
($1.18/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

VetriScience Extra Strength Lysine Immunity Health Chicken Flavored Chews Supplement for Cats, ...

Rated 4 out of 5 stars
44
$25.74 Chewy Price
($0.22/ea) Price per Unit
$31.34 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Daybreak Nutrition L-Lysine Chicken Flavored Powder Immune Supplement for Cats, 4.2-oz jar

Rated 4.3 out of 5 stars
19
$20.95 Chewy Price
($4.99/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Felisyl PLUS L-Lysine Feline Immunity Liquid Concentrate Chicken Flavor Supplement for Cats, 2-...

Rated 3.9 out of 5 stars
14
$19.49 Chewy Price
($9.75/fl oz) Price per Unit
$19.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Strawfield Pets Super Chews with Probiotics, Lysine, Salmon Oil & Catnip Soft Chews Cat Supplem...

Rated 3.5 out of 5 stars
21
$24.95 Chewy Price
($0.21/ea) Price per Unit
$37.26 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Petterm Tear Stain Remover Chicken Flavored Powder Vision Supplement for Dogs & Cats, 15 count

Rated 3 out of 5 stars
2
$21.99 Chewy Price
($1.47/ea) Price per Unit
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jun 3 and Jun 7

Under the Weather L-lysine Immune Support Chews Cat Supplement, 3.17-oz bag

Rated 2 out of 5 stars
10
$18.99 Chewy Price
($6.00/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

New

Doctor By FELYSIN Immune Support Chicken Flavored Lickable Supplement for Cats, 30 count

$34.49 Chewy Price
($1.15/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Under the Weather L-lysine Powder Cat Supplement, 3.17-oz bag

Rated 4 out of 5 stars
29
$21.99 Chewy Price
($6.94/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Balanced Breed Cat L-Lysine Immune Support Natural Chicken Flavored Soft Chew Immune Supplement...

Rated 3.8 out of 5 stars
88
$21.99 Chewy Price
($0.37/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Out of Stock

Special Breed L-Lysine Powder Immune System Supplement for Kittens & Cats, 4.23-oz jar, 120 sco...

Rated 4.3 out of 5 stars
45

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between May 31 and Jun 3

Out of Stock

Petlio Longevity+ Chicken Flavored Powder Health Supplement for Cats, 90 scoops

Rated 5 out of 5 stars
1

Free 1-3 day delivery on first-time orders
Free 365-day returns

Nutramax: Supporting the health of cats everywhere for 30 years

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Cat Multivitamins

Allergy Supplements & Immune Support for Cats

Eye Vitamins & Supplements for Cats

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