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 97-120 of 529

Fera Pets Multivitamin Soft Chews for Dogs, 4.64 lbs., Count of 30

Fera Pets

JointChew

30 count

Fera Pets Omega-3s Algae Oil Vegan Supplement for Dogs & Cats, 8 oz.

Fera Pets

JointLiquid

Fera Pets Probiotics Soft Chews for Dogs, Count of 90

Fera Pets

DigestiveChew

90 count

Fera Pets USDA Organic Mushrooms Immune Support for Dogs & Cats, 2.12 oz.

Fera Pets

Digestive

Fera Pets USDA Organic Probiotics for Dogs & Cats, 2.5 oz.

Fera Pets

DigestivePowder

Flea & Tick Spray for Dogs

NOW Pets

DigestiveGel

90 count

Flora Inc BiologicVET BioJOINT Advanced Joint Mobility Support Powder Supplement for Cats and Dogs, 14 oz.

Flora Inc

JointPowder

Flora Inc BiologicVET BioVITES Complete Multi-Nutrient Supply Powder Supplement for Cats and Dogs, 7 oz.

Flora Inc

DigestivePowder

FOCUS Lion's Mane Mushroom Powder | Support Brain Health and Cognition

Animal Essentials

SeniorPowder

FortiFlora Canine Health Supplement - 1 box (30 sachets)

Purina Pro Plan

JointChew

30 count

FortiFlora Chewable Tablets Canine Probiotic Supplement

Purina Pro Plan

JointChew

90 count

FortiFlora Dog Probiotic Supplement

Purina Pro Plan

JointChew

30 count

FortiFlora Feline Health Supplement

Purina Pro Plan

JointChew

30 count

FortiFlora PRO Synbiotic Action Canine Health Supplement

Purina Pro Plan

JointChew

30 count

Foster Care Puppy Milk Replacer

Breeder's Edge

JointPowder

Glandex Soft Chews for Dogs

Vetnique Labs

DigestiveChew

GNC Ultra for Pets Multivitamin Chicken Flavor Soft Chews for Senior Dogs, Count of 60

GNC Ultra for Pets

Immune AllergyChew

60 count

Graviola

Amber NaturalZ

Calming

Greenies Dog Allergy & Immune Support Sensitive Care Supplement, Peanut Butter Flavor, 40-80 Count

Greenies

Immune AllergyChew

Gut Health Formula Powder (formerly Gastriplex)

ThorneVet

DigestivePowder

Hard Chewables Blueberry Flavor 1 mg & 4 mg for Dogs

Treatibles

CalmingChew

Hard Chewables Extra Strength Sweet Potato Flavor 10 mg for dogs

Treatibles

CalmingChew

Hard Chewables Pumpkin Flavor 1 mg & 4 mg for Dogs

Treatibles

CalmingChew

Hard Chewables Turkey Flavor 1 mg & 4 mg for Dogs

Treatibles

CalmingChew

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.