Dog Immune & Allergy Supplements

Updated July 11, 2026

529 products with supplement facts and ingredients.

These 529 dog immune & allergy supplements come from 102 brands, and 464 include a supplement facts panel (218 with parsed active-ingredient amounts).

Dog Joint Supplements (847)Dog Digestive Supplements (563)Dog Calming Supplements (356)Dog Skin & Coat Supplements (441)Dog Immune & Allergy Supplements (529)Dog Multivitamin Supplements (231)Dog Urinary Supplements (214)Dog Heart & Liver Supplements (294)Dog Dental Supplements (146)Dog Senior Supplements (332)Dog Stool Deterrent Supplements (27)Dog Hairball Supplements (12)Dog Supplement Chews (803)Dog Supplement Tablets (121)Dog Supplement Capsules (76)Dog Supplement Powders (185)Liquid Dog Supplements (277)Dog Supplement Gels (46)

Products Showing 337-360 of 529

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

PetArmor Dog Antihistamine Diphenhydramine HCI Tablets, Itch Relief & Probiotic, 100 Count

PetArmor

Immune AllergyTablet

100 count

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

Pets Skin Cream

Amber NaturalZ

Immune Allergy

PhytoprofenVET

ThorneVet

JointChew

Probiotic Support Formula Powder (formerly Bacillus CoagulansVET)

ThorneVet

DigestiveChew

Probiotics Gut + Immune Health 3-Pack (Duck Flavor)

PetHonesty

DigestiveChew

Probiotics Gut + Immune Health 3-Pack (Pumpkin Flavor)

PetHonesty

DigestiveChew

Puppy Probiotics+

Omega Alpha

Digestive

Purina Pro Plan Dog Veterinary Supplements FortiFlora Chewable Tablets, Liver Flavor, 45 Count

Purina Pro Plan

DigestiveTablet

45 count

Purina Pro Plan Dog Veterinary Supplements FortiFlora Probiotic Powder, Liver Flavor, 30 Count

Purina Pro Plan

DigestivePowder

30 count

Purina Pro Plan Veterinary Diets Fortiflora Chewable Canine Canister Dog Probiotic Supplement Tablets, Count of 90

Purina Pro Plan

DigestiveTablet

90 count

Purina Pro Plan Veterinary Supplements Multi Care Canine Supplement, 10.6 oz., Count of 60

Purina Pro Plan

Digestive

60 count

Purina Pro Plan Veterinary Supplements Skin Care with Omega-3 Fish Oil and EPA and DHA Dog Supplements, 12.6 oz., Count of 60

Purina Pro Plan Veterinary Diets

Skin CoatLiquid

60 count

Ready Pet Go! Seasonal Allergy Supplement for Dogs

Only Natural Pet

Immune AllergyChew

60 count

Reptaid

Amber NaturalZ

Immune Allergy

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.

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