Top Pet and Dog Supplements for Allergies & Digestion

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Digestive health and allergy management are critical for maintaining a dog's (or pets in general) overall well-being. Poor digestion can lead to nutrient deficiencies, discomfort, and weakened immunity, while allergies—often triggered by food, environmental factors, or sensitivities—can cause itching, inflammation, and gastrointestinal upset.

Supplements can play a supportive role by soothing the digestive tract, promoting a balanced gut microbiome, reducing inflammation, and strengthening immunity.

The following products are commonly used to address these issues in dogs, offering natural solutions to enhance gut health and alleviate allergy symptoms. Always consult a veterinarian before introducing supplements to ensure they are appropriate for your dog’s specific needs.

NOW Supplements, Slippery Elm (Ulmus rubra) 400 mg - A soothing herb derived from the inner bark of the slippery elm tree, known for its mucilage content that coats and calms the gastrointestinal tract, helping with diarrhea, constipation, or inflammation in dogs.

NOW Foods Supplements, Caprylic Acid 600 mg - A medium-chain fatty acid with antifungal properties, often used to combat yeast overgrowth in the gut, supporting a balanced microbiome and aiding digestion in dogs prone to Candida-related issues. Great for if you think your dog has yeast issues.

NOW Foods Supplements, Saccharomyces Boulardii - A beneficial yeast probiotic that supports gut health by promoting healthy gut flora, reducing diarrhea, and enhancing immunity, particularly useful for dogs with antibiotic-related digestive upset.

NOW Foods Supplements, Quercetin with Bromelain - A natural antihistamine (quercetin) paired with an enzyme (bromelain) to reduce inflammation and allergic responses, helping dogs with seasonal allergies, itching, or inflammatory conditions.

NOW Foods Supplements, Activated Charcoal Derived from natural sources, activated charcoal binds toxins in the gut, aiding in detoxification and relieving gas, bloating, or mild poisoning in dogs (use under veterinary guidance).

NOW Foods Supplements, Inulin Prebiotic Pure Powder - A plant-based prebiotic fiber that nourishes beneficial gut bacteria, improving digestion, nutrient absorption, and stool quality in dogs with irregular bowel movements.

NOW Foods Supplements, Psyllium Husk Powder - A soluble fiber that regulates bowel movements, alleviating both constipation and diarrhea while supporting a healthy gut environment in dogs.

NOW Foods Supplements, Certified Organic NOW Foods Supplements, Certified Organic. A general category of organic supplements from NOW Foods, often including nutrient-rich options to support overall health, digestion, and immunity in dogs (specific product details needed for precise use).

NOW Supplements, Kelp Powder, Certified Organic - A nutrient-dense seaweed powder rich in iodine and trace minerals, supporting thyroid function, metabolism, and skin health in dogs, indirectly aiding digestion and allergy management.

Rx Vitamins Rx Biotic Rx Vitamins Rx Biotic - A veterinarian-formulated probiotic blend with multiple bacterial strains to restore gut flora balance, enhance digestion, and boost immunity in dogs with digestive or allergic sensitivities.

Better Bones Bone Meal for Dogs Better Bones Bone Meal for Dogs - A natural source of calcium and phosphorus, supporting bone health and digestion by providing minerals that aid nutrient absorption, ideal for dogs on raw or home-cooked diets.

Diggin' Your Dog – Firm Up Pumpkin for Dogs & Cats: A pumpkin-based supplement rich in fiber to firm up loose stools, soothe digestion, and support gut health in dogs with diarrhea or constipation.

Bovine Colostrum for Dogs - from 100% Grass-Fed New Zealand Cows Bovine Colostrum for Dogs A nutrient-rich supplement packed with antibodies and growth factors to boost immunity, repair gut lining, and reduce inflammation in dogs with allergies or digestive issues.

Ease - an Anti Inflammatory for Dogs with Arthritis & Allergies Ease - an Anti Inflammatory for Dogs with Arthritis & Allergies. A blend of natural anti-inflammatory ingredients to reduce joint pain, skin irritation, and allergic reactions, supporting comfort in dogs with arthritis or allergies.

Turkey Tail Mushroom for Dogs Turkey Tail Mushroom for Dogs A medicinal mushroom known for its immune-boosting and anti-inflammatory properties, supporting gut health and allergy management by enhancing overall immunity.

Dr. Mercola, Complete Probiotics , for Cats and Dogs A comprehensive probiotic formula with multiple strains to promote healthy gut flora, improve digestion, and strengthen immunity in dogs prone to allergies or digestive upset.

Ultra Oil Dog & Cat Supplement with Hemp, Flaxseed & Fish Oils Ultra Oil Dog & Cat Supplement A blend of omega-rich oils to support skin health, reduce inflammation, and promote a shiny coat, helping dogs with allergies, dry skin, or digestive sensitivities.