Immune System & Allergy Soft Chews, Wafers & Chewable Tablets for Cats

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VetriScience Vetri-Lysine Plus Chicken Liver Flavored Soft Chews Immune Supplement for Cats, 120 count

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Rated 4.0706 out of 5 stars
836
$17.00Chewy Price
$21.93List Price
$16.15Autoship Price

Save 50% on First Autoship

FREE 1-3 day shipping over $49

Vetoquinol Enisyl-F Lysine Bites Chicken & Liver Flavored Soft Chews Immune Supplement for Cats, 6.35-oz bag
Rated 3.7465 out of 5 stars
288
$25.99Chewy Price
$24.69Autoship Price

FREE 1-3 day shipping over $49

Pet Naturals L-Lysine Cat Chews, 3.17-oz, 60 count
Rated 3.752 out of 5 stars
379
$11.25Chewy Price
$10.69Autoship Price

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FREE 1-3 day shipping over $49

21st Century Essential Pet L-Lysine Amino Acid Support Soft Chews Cat Supplement, 100 count
Rated 4.1236 out of 5 stars
89
$10.38Chewy Price
$9.86Autoship Price

FREE 1-3 day shipping over $49

Optixcare L-Lysine Cat Chews, 60 count bag
Rated 4.1739 out of 5 stars
92
$13.88Chewy Price
$27.98List Price
$13.19Autoship Price

FREE 1-3 day shipping over $49

Tomlyn Immune Support Hickory Flavored Soft Chews Immune Supplement for Cats, 30 count bag
Rated 3.9852 out of 5 stars
135
$12.23Chewy Price
$13.99List Price
$11.62Autoship Price

FREE 1-3 day shipping over $49

NaturVet Mushroom Max with Turkey Tail Soft Chews Immune Supplement for Cats & Dogs, 120 count

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Rated 4.2 out of 5 stars
25
$39.99Chewy Price
$37.99Autoship Price

FREE 1-3 day shipping over $49

NaturVet L-Lysine Plus Antioxidants Soft Chews Immune Supplement for Cats, 60 count
Rated 2.675 out of 5 stars
40
$9.99Chewy Price
$9.49Autoship Price

FREE 1-3 day shipping over $49

NaturVet Aller-911 Plus Antioxidants Soft Chews Allergy Supplement for Cats, 60 count

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Rated 2.125 out of 5 stars
96
$11.99Chewy Price
$11.39Autoship Price

FREE 1-3 day shipping over $49

Zesty Paws Lysine Immune Bites Salmon Flavored Soft Chews Allergy & Immune Supplement for Cats, 60 count
Rated 2.8222 out of 5 stars
135
$14.97Chewy Price
$14.22Autoship Price

Save Extra 25% Off at Checkout

FREE 1-3 day shipping over $49

NOW Pets Pet Allergy Dog & Cat Supplement, 75 count
Rated 4.1905 out of 5 stars
21
$17.50Chewy Price
$33.99List Price
$16.62Autoship Price

FREE 1-3 day shipping over $49

VetClassics CAS Options Extra Strength Immune & Antioxidant Support Chewable Tablets Dog & Cat Supplement, 120 count
Rated 4.1429 out of 5 stars
7
$52.50Chewy Price
$72.52List Price
$49.88Autoship Price

FREE 1-3 day shipping on this item

Rx Vitamins RxCurcuWIN Chewable Tablet Immune Supplement for Cats & Dogs, 90 count
Rated 4.1667 out of 5 stars
6
$31.28Chewy Price
$39.00List Price
$29.72Autoship Price

FREE 1-3 day shipping over $49

VetClassics CAS Options Extra Strength Immune & Antioxidant Support Dog & Cat Supplement, 120 count
Rated 5 out of 5 stars
1
$56.07Chewy Price
$72.52List Price
$53.27Autoship Price

FREE 1-3 day shipping on this item

VetClassics Allergy Skin & Coat Soft Chews Dog & Cat Supplement, 90 count
Rated 2.7143 out of 5 stars
7
$17.99Chewy Price
$21.22List Price
$17.09Autoship Price

FREE 1-3 day shipping over $49

VetriScience Vetri Lysine Plus Chicken Flavored Soft Chews Immune Supplement for Cats, 180 count
Rated 4.375 out of 5 stars
16
$30.00Chewy Price
$28.50Autoship Price

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FREE 1-3 day shipping over $49

NaturVet Hemp Soft Chews Allergy Supplement for Cats, 60 count
Rated 2.3265 out of 5 stars
49
$12.99Chewy Price
$12.34Autoship Price

FREE 1-3 day shipping over $49

Felisyl Chicken Flavored Soft Chew Immune Supplement for Cats, 60 count
Rated 4.2 out of 5 stars
5
$17.50Chewy Price
$17.99List Price
$16.62Autoship Price

FREE 1-3 day shipping over $49

NOW Pets Immune Support Dog & Cat Supplement, 90 count
Rated 4 out of 5 stars
6
$10.07Chewy Price
$29.99List Price
$9.57Autoship Price

FREE 1-3 day shipping over $49

NaturVet Aller-911 Plus Antioxidants Chewable Tablets Allergy Supplement for Cats & Dogs, 60 count
Rated 3.0233 out of 5 stars
43
$19.99Chewy Price
$24.59List Price
$18.99Autoship Price

FREE 1-3 day shipping over $49

Dr. Tim's Elk Probiotic Freeze-Dried Topper Dog & Cat Supplement, 12-oz bag
Rated 5 out of 5 stars
1
$31.99Chewy Price
$30.39Autoship Price

FREE 1-3 day shipping over $49

Under the Weather L-Lysine Soft Chews Cat Supplement, 60 count
Rated 1.8889 out of 5 stars
9
$11.99Chewy Price
$14.99List Price
$11.39Autoship Price

FREE 1-3 day shipping over $49

GNC Pets Advanced Immune Support Chicken Flavor Soft Chews Cat Supplement, 60 count
Rated 2.2 out of 5 stars
5
$8.79Chewy Price
$10.99List Price
$8.35Autoship Price

FREE 1-3 day shipping over $49

Vet Organics EcoImmune Immune Support Dog & Cat Supplement, 8-oz bag

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Rated 4.6667 out of 5 stars
6
$20.91Chewy Price
$27.95List Price
$19.86Autoship Price

FREE 1-3 day shipping over $49

PET TAO Complement Immune Dog & Cat Supplement, 16.9-oz jar
$81.11Chewy Price
$77.05Autoship Price

FREE 1-3 day shipping on this item

Vetoquinol Viralys (L-Lysine) Oral Gel for Cats, 5-oz & Vetoquinol Enisyl-F Lysine Bites Chicken Liver Flavored Cat Treats, 6.35-oz bag
Rated 4 out of 5 stars
8
$46.98Chewy Price
$44.63Autoship Price

FREE 1-3 day shipping over $49

Zesty Paws All Ages Calming Bites Behavior Salmon Flavor Cat Supplement, 60 count + Zesty Paws All Ages Lysine Immune System Bites Salmon Flavor Cat Supplement, 60 count
Rated 1.75 out of 5 stars
4
$28.44Chewy Price
$29.94List Price
$27.02Autoship Price

FREE 1-3 day shipping over $49