Store Allergies & Immunity Store/Dog/Supplements/Allergies & ImmunityWhether your dog's allergies are off the rails, or they simply need a good ol' immune system boost, we've got the products for you! Explore our many options and find what's right for your pet.Sort byWe recommendNewest arrivalsPrice: Low to HighPrice: High to LowName: A to ZName: Z to AFiltersClear allFiltersClear allShow itemsShow itemsHealthy Paws Seasonal Allergy Supplement, Dogs & Cats, 2-ozHealthy Paws Seasonal Allergy Supplement, Dogs & Cats, 2-oz$49.99Four Leaf Rover Turkey Tail Mushrooms Dog Supplement, 1-ozFour Leaf Rover Turkey Tail Mushrooms Dog Supplement, 1-oz$22.99Four Leaf Rover Seven 'Shrooms Natural Immune Support Dog Supplement, 1.8-ozFour Leaf Rover Seven 'Shrooms Natural Immune Support Dog Supplement, 1.8-oz$34.99Four Leaf Rover Harmony Seasonal Allergy Support Dog Supplement, 2.5-ozFour Leaf Rover Harmony Seasonal Allergy Support Dog Supplement, 2.5-oz$29.99Four Leaf Rover Bovine Colostrum Immune Support Dog Supplement, 1.2-oz|33-gramFour Leaf Rover Bovine Colostrum Immune Support Dog Supplement, 1.2-oz|33-gram$24.99Adored Beast Apothecary Pawsitive Immunity Colostrum Alternative Dog & Cat Supplement, 40-gramAdored Beast Apothecary Pawsitive Immunity Colostrum Alternative Dog & Cat Supplement, 40-gram$42.99HomeoPet Skin & Itch Dog, Cat, Bird & Small Animal Supplement, 450 dropsHomeoPet Skin & Itch Dog, Cat, Bird & Small Animal Supplement, 450 drops$24.99HomeoPet Nose Relief Dog, Cat, Bird & Small Animal Supplement, 450 dropsHomeoPet Nose Relief Dog, Cat, Bird & Small Animal Supplement, 450 drops$24.59HomeoPet Cough Dog, Cat, Bird & Small Animal Supplement, 450 dropsHomeoPet Cough Dog, Cat, Bird & Small Animal Supplement, 450 drops$24.59
