Cat Immune & Allergy Supplements

Updated July 11, 2026

377 products with supplement facts and ingredients.

These 377 cat immune & allergy supplements come from 60 brands, and 323 include a supplement facts panel (149 with parsed active-ingredient amounts).

Cat Joint Supplements (523)Cat Digestive Supplements (389)Cat Calming Supplements (233)Cat Skin & Coat Supplements (256)Cat Immune & Allergy Supplements (377)Cat Multivitamin Supplements (176)Cat Urinary Supplements (164)Cat Heart & Liver Supplements (192)Cat Dental Supplements (100)Cat Senior Supplements (213)Cat Stool Deterrent Supplements (8)Cat Hairball Supplements (37)Cat Supplement Chews (340)Cat Supplement Tablets (44)Cat Supplement Capsules (57)Cat Supplement Powders (143)Liquid Cat Supplements (247)Cat Supplement Gels (59)

Products Showing 217-240 of 377

PetAlive FCV Protect Natural Homeopathic Formula Reduces Flu Symptoms for Cats, 29 Gram

PetAlive

Joint

PetAlive Immunity & Liver Support Oral Spray Natural Herbal Supplement to Help Boost Immune System Function for Pets, 2 fl. oz.

PetAlive

DigestiveLiquid

PetAlive Immunity and Liver Support Veggie Capsules Herbal Supplement for Dogs, Count of 60

PetAlive

DigestiveCapsule

60 count

PetAlive Natural Herbal C-Caps Capsules Dog and Cat Supplement, Count of 60

PetAlive

Skin CoatCapsule

60 count

PetAlive Respo-K Oral Spray Natural Homeopathic Formula Pet Respiratory & Cold Symptoms for Pets, 2 fl. oz.

PetAlive

Immune AllergyLiquid

PetAlive Skin & Coat Tonic Veggie Capsules Natural Herbal Supplement for Shiny & Glossy Fur for Pets, Count of 60

PetAlive

Skin CoatCapsule

60 count

PetAlive UTI Free Granules Natural Homeopathic Fomula for Urinary Issues in Cats & Dogs, 29 Gram

PetAlive

Immune Allergy

PetFast Multivitamin Strips Immune Health

Zoeuticals

Skin Coat

PetLabCo. Allergy & Immune Probiotic Pork Flavored Chew Supplement for Dogs, 30 count

PetLabCo.

JointChew

30 count

PetLabCo. Allergy Immune Probiotic Chew Allergy Supplement for Large Dogs, 30 count

PetLabCo.

JointChew

30 count

PetLabCo. Allergy Immune Probiotic Chew Allergy Supplement for Medium Dogs, 30 count

PetLabCo.

JointChew

30 count

PetLabCo. Allergy Immune Probiotic Chew Allergy Supplement for Small Dogs, 30 count

PetLabCo.

JointChew

30 count

PetLabCo. Itch Relief Chew Pro Salmon Flavored Soft Chew Skin & Allergy Supplement for Dogs, 30 count

PetLabCo.

JointChew

30 count

PetLabCo. Itch Relief Pork Flavor Dog Supplement, 30 count

PetLabCo.

JointLiquid

30 count

PetLabCo. Itch Relief Pro Pork Flavor Dog Supplement, 30 Count

PetLabCo.

JointChew

30 count

Pets C&C

Amber NaturalZ

Immune Allergy

PhytoprofenVET

ThorneVet

JointChew

Probiotic Support Formula Powder (formerly Bacillus CoagulansVET)

ThorneVet

DigestiveChew

Purina Pro Plan Veterinary Diets FortiFlora Probiotic Supplement for Cats with Diarrhea, Count of 30

Purina Pro Plan

DigestivePowder

30 count

Purina Pro Plan Veterinary Multi Care Feline, Digestive Probiotics, Immune Support Cat Supplements, 1.06 oz.

Purina Pro Plan

Joint

Reptaid

Amber NaturalZ

Immune Allergy

Reptaid XL

Amber NaturalZ

Immune Allergy

Respir-Gold - Supports a Healthy Lower Respiratory Tract in Cats

Pet Wellbeing

Immune Allergy

Rooted Owl Natural Supplements Blood Support Vegan Capsules with Spirulina and Chlorella for Dogs and Cats, 1.3 oz., Count of 60

Rooted Owl

Immune AllergyCapsule

60 count

About this data

We gather factual supplement details from public manufacturer and retailer listings and product labels. Values are shown exactly as printed on each label. Supplements are not reviewed or approved by the FDA to treat, cure, or prevent disease, and label accuracy varies by brand. Nothing here is veterinary advice, and no product listed here is endorsed. Always check with your veterinarian before starting a supplement. Product names and trademarks belong to their respective owners.

Spotted something wrong? Contact us and we will fix it.