Dogs depend on a strong immune system and a healthy gut to thrive. Whether it’s recurring allergies, frequent infections, loose stools, or poor digestion, many common health issues can be traced back to immunity and digestive balance.
That’s where the right immunity and digestive supplements for dogs, along with functional foods like goat’s milk, can make a real difference. These products deliver probiotics, prebiotics, and immune-boosting nutrients such as colostrum, elderberry, and antioxidants, while goat’s milk is prized for its natural digestibility and nutritional benefits. Together, they help support overall wellness, resilience, and vitality.
We’ve rounded up some of the most trusted immunity and digestive supplements and goat’s milk products for dogs — ideal for pets with sensitive stomachs, recovering from illness, or simply in need of daily health support. If your dog also needs specialized nutrition, explore our guide to the best limited ingredient and hypoallergenic dog foods. And for full-body wellness, don’t forget the importance of quality rest — take a look at our recommendations for the best dog beds that keep dogs comfortable and supported.
💡 A Note from HeartForPooches
Many of the products you’ll find here are premium-quality selections. When an item isn’t marketed as “premium,” it has been included only if the ingredients, materials, or design are safe, reliable, and effective. Every product featured has been handpicked to balance quality, functionality, and value — so you can feel confident in your choice. If you choose to buy through our links, it won’t cost you anything extra — but it helps support our work so we can keep bringing you trusted, carefully selected finds for your dog. Thank you for your support! 🐾
Notes: Packaging and sized may vary between shopping sites, be sure to double check before buying.
Immunity and Wellness Support
🧫 1. ThorneVet Immune Support Formula (Immugen®) – 90 Soft Chews
Quick Pick: Vet-formulated immune booster featuring a broad spectrum of vitamins, adaptogenic botanicals, medicinal mushrooms, glandulars, and antioxidants for comprehensive immune balance.
Function: Supports healthy immune response, enhances resistance to pathogens, balances inflammation, and aids in recovery from stress or chronic immune challenges.
Key Features:
• Includes antioxidants like Vitamin C, Vitamin E, glutathione-boosting N-acetylcysteine, and Coenzyme Q10 for cellular protection
• Includes adaptogenic herbs (Ashwagandha, Eleuthero, Astragalus, Licorice) to support stress response and immune modulation
• Contains medicinal mushrooms (Reishi, Maitake, Cordyceps) for immune regulation and resilience
• Features a bovine thymus glandular to activate natural killer cells and bolster immune function
• Clean formula with no GMOs or fillers, third-party tested for quality
Best For: Pets with compromised or aging immune systems, chronic infection risks, allergies, cancer therapies, auto-immune conditions, or high-stress environments—great as foundational immune support.
Key Ingredients: L-Glutamine, Vitamin C, NAC, CoQ10, Medicinal Mushrooms (Reishi, Maitake, Cordyceps), Ashwagandha, Eleuthero, Astragalus, Licorice, Bovine Thymus, Vitamins A, B6, B12, Folate, Zinc, Selenium
👉 Buy on 🔴 Amazon.com
👉 Buy on 🔴 Amazon.sg (Powder Formula)
🧫 2. Pawfy Allergy + Immune for Dogs – Turkey Flavor (30 Soft Chews, 128 g)
Quick Pick: A premium allergy and immune support chew made with natural ingredients to ease itching, boost immunity, and promote gut health
Function: Strengthens immune response while soothing allergy-related skin irritation and supporting digestive balance
Type: Immune & Digestive Support Supplement, Allergy Relief (All Life Stages)
Key Features:
• Vet-formulated blend designed to address common canine allergies and sensitivities
• Colostrum and probiotics to strengthen gut health and immune defense
• Salmon oil provides omega fatty acids for skin and coat support
• Turmeric helps reduce inflammation and promote comfort
• Natural turkey flavor in soft chew form for easy daily feeding
Best For: Dogs with seasonal or environmental allergies, recurring skin issues, or weakened immune systems; suitable for all breeds and ages over 6 months
Key Ingredients: Colostrum, Probiotics, Salmon Oil, Turmeric, Natural Turkey Flavor
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 3. Real Mushrooms 5 Defenders for Dogs & Cats (90 Capsules)
Quick Pick: A premium vet-formulated mushroom blend rich in beta-glucans to strengthen immunity, promote resilience, and support overall vitality
Function: Enhances immune system response, provides antioxidant protection, and supports long-term health and healthy aging
Type: Immune Support Supplement, Functional Mushroom Complex (All Life Stages)
Key Features:
• Features five certified organic mushrooms: Turkey Tail, Reishi, Chaga, Shiitake, and Maitake
• Sourced from 100% fruiting bodies with no grains, fillers, or mycelium—ensuring purity and potency
• Standardized to contain ≥20% beta-glucans for clinically relevant immune support
• Vet-formulated by Dr. Rob Silver, DVM, MS, and backed by third-party testing
• USDA Organic, Non-GMO, vegan, and gluten-free; made in NSF and cGMP-certified facilities
Best For: Dogs and cats of all ages needing stronger immune defense, senior pets with age-related immune decline, or pets recovering from illness or stress
Key Ingredients: Organic Turkey Tail Mushroom, Organic Reishi Mushroom, Organic Chaga Mushroom, Organic Shiitake Mushroom, Organic Maitake Mushroom
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 4. VetSmart Formulas Critical Immune Defense for Dogs & Cats (180 g / 6.34 oz Powder)
Quick Pick: A premium vet-formulated mushroom and turmeric complex designed to strengthen immunity, fight inflammation, and support cellular health
Function: Boosts immune system resilience, protects against oxidative stress, supports healthy inflammatory response, and promotes long-term vitality
Type: Immune Support Supplement, Mushroom & Turmeric Complex (All Life Stages)
Key Features:
• Blend of Turkey Tail, Reishi, Shiitake, and Maitake mushrooms, rich in immune-boosting beta-glucans
• Includes white turmeric root extract for superior anti-inflammatory and antioxidant benefits
• Enhanced with milk thistle, CoQ10, selenium, and vitamins A, C, and E for cellular defense and detox support
• Veterinarian-formulated and made in the USA under cGMP standards for purity and safety
• Free from wheat, fillers, and artificial flavors; suitable for daily use with meals
Best For: Senior pets with age-related immune decline, dogs or cats recovering from illness, or pets needing advanced immune and antioxidant protection
Key Ingredients: Turkey Tail Mushroom, Reishi Mushroom, Shiitake Mushroom, Maitake Mushroom, White Turmeric Root Extract, Milk Thistle, Vitamin C, CoQ10, Selenium, Vitamin A, Vitamin E
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 5. Dr. Mercola SpiruGreen for Cats & Dogs (180 Tablets, 3.17 oz / 90 g)
Quick Pick: A premium antioxidant superfood blend of spirulina and astaxanthin to support immunity, vitality, and overall wellness in pets
Function: Strengthens immune defenses, protects cells from oxidative damage, supports skin, coat, vision, and aids in post-activity recovery
Type: Immune & Wellness Supplement, Antioxidant Superfood Complex (All Life Stages)
Key Features:
• Organic spirulina provides a rich source of carotenoids, phycocyanins, and essential enzymes for daily vitality
• Natural astaxanthin from microalgae delivers powerful antioxidant protection at the cellular level
• Promotes cardiovascular health, skin vibrancy, eye function, and joint recovery in active pets
• Tested to be free from contaminants such as microcystins for safe, clean supplementation
• Manufactured under high quality standards with no fillers, artificial flavors, or unnecessary additives
Best For: Dogs and cats of all ages needing immune reinforcement, antioxidant defense, and overall wellness support
Key Ingredients: Organic Spirulina (Arthrospira platensis), Microalgae Extract (Haematococcus pluvialis — source of Astaxanthin)
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 6. Real Mushrooms Mushroom Immune Pet Chews (60 Soft Chews, 240 g)
Quick Pick: Premium mushroom-based immune support with organic fruiting bodies and adaptogenic herbs
Function: Strengthens immune response, supports overall vitality, and helps maintain cellular health in dogs and cats
Key Features:
• Made with organic mushroom fruiting bodies (no grain-based mycelium fillers)
• Contains Reishi, Shiitake, Maitake, Turkey Tail, and Chaga mushrooms
• Includes ashwagandha and astragalus for adaptogenic and immune-boosting support
• Guaranteed ≥75 mg beta-glucans per chew for verified potency
• NASC-certified and formulated by veterinarian Dr. Rob Silver
• Third-party lab tested for purity and safety
Best For: Dogs and cats needing advanced immune system support, especially during seasonal or environmental challenges
Why It’s Great: Delivers clinically validated beta-glucans and adaptogens in a tasty chew, combining immune strength with holistic health support.
Key Ingredients: Organic Mushroom Fruiting Bodies (Reishi, Shiitake, Maitake, Turkey Tail, Chaga), Ashwagandha, Astragalus
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 7. Dr. Mercola Bark & Whiskers Organic Fermented Mushroom Blend for Dogs & Cats (2.11 oz / 60 g Powder)
Quick Pick: A premium USDA-certified organic blend of eight fermented mushrooms to support immunity, cellular health, digestion, and overall vitality
Function: Provides a concentrated source of antioxidants, beta-glucans, and bioactive compounds that strengthen immune defense, aid digestion, and promote long-term wellness
Key Features:
• Blend of 8 medicinal mushrooms including Reishi, Cordyceps, Lion’s Mane, Turkey Tail, Shiitake, and Maitake
• Fermented for higher bioavailability and improved nutrient absorption
• Rich in antioxidants like L-ergothioneine and beta-glucans to combat oxidative stress and support immune balance
• Contains natural glucosamine and chelated minerals to support joint and cellular health
• USDA-certified organic, Non-GMO, vet-formulated, and free from fillers, gluten, and artificial additives
Best For: Dogs and cats needing broad-spectrum immune, digestive, and wellness support; especially beneficial for aging pets or those with weakened immunity
Why It’s Great: Delivers premium, highly bioavailable mushroom nutrition that supports multiple systems in one formula, making it a versatile supplement for overall health
Key Ingredients: Organic Fermented Reishi Mushroom, Organic Fermented Cordyceps Mushroom, Organic Fermented Lion’s Mane Mushroom, Organic Fermented Turkey Tail Mushroom, Organic Fermented Shiitake Mushroom, Organic Fermented Maitake Mushroom, Organic Fermented Agaricus Blazei Mushroom, Organic Fermented Oyster Mushroom
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
👉 Buy on 🔴 Shopee.sg
👉 Buy on 🔴 Shopee.sg
🧫 8. Real Mushrooms Daily Dawg Bulk Powder for Dogs (2.65 oz / 75 g)
Quick Pick: A premium mushroom-based wellness powder combining adaptogens, probiotics, and prebiotics for all-round canine health
Function: Supports immune balance, digestive health, stress resilience, joint mobility, and overall vitality
Key Features:
• Made with seven organic fruiting-body mushrooms including Reishi, Turkey Tail, Chaga, Lion’s Mane, Shiitake, Cordyceps, and Maitake
• Verified ≥20% beta-glucans for proven immune activity
• Includes prebiotics and probiotics to promote gut balance and digestion
• Features ashwagandha and other adaptogens for stress and cognitive support
• NSF-certified, clean label—no grain fillers, artificial ingredients, or mycelium on grain
Best For: Dogs needing broad-spectrum immune, gut, and wellness support in a single daily supplement
Why It’s Great: Provides a vet-formulated, clinically backed blend of mushrooms and probiotics—an advanced all-in-one formula that goes far beyond typical single-focus supplements
Key Ingredients: Organic Fruiting Body Mushrooms (Reishi, Turkey Tail, Chaga, Lion’s Mane, Shiitake, Cordyceps, Maitake), Prebiotics, Probiotics, Ashwagandha
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 9. Animal Essentials Seasonal Allergy for Dogs & Cats (Two Sizes)
Quick Pick: A premium organic herbal formula designed to ease seasonal allergy symptoms, support respiratory comfort, and maintain healthy skin and immune balance
Function: Helps regulate histamine response, soothes allergy-related irritation, and promotes overall wellness using natural, vet-formulated botanicals
Key Features:
• Certified organic herbal blend including nettle leaf, licorice root, eyebright, and burdock root
• Supports healthy histamine levels for dogs and cats with seasonal or environmental allergies
• Promotes respiratory comfort and helps relieve skin irritation caused by allergens
• Liquid extract form ensures easy dosing and fast absorption
• NASC-certified for quality and safety; free from synthetic fillers, additives, or harsh chemicals
Best For: Dogs and cats of all ages dealing with seasonal or environmental allergies, skin sensitivity, or respiratory discomfort
Why It’s Great: Provides a natural, holistic alternative to synthetic allergy remedies—delivering safe, effective relief with certified organic herbs and trusted vet-formulated expertise
Key Ingredients: Organic Nettle Leaf, Organic Licorice Root, Organic Eyebright Herb, Organic Burdock Root, Vegetable Glycerin, Distilled Water
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 10. Mushroom Matrix Canine Maximum Recovery – Organic Mushroom Powder (7.1 oz / 200 g)
Quick Pick: Certified organic mushroom blend with Cordyceps, Reishi, Antrodia, and King Trumpet to support recovery, immune health, and vitality.
Function: Strengthens the immune system, promotes a healthy inflammatory response, supports circulation and oxygen use, and aids recovery from stress, illness, or surgery.
Key Features:
• USDA-certified organic, non-GMO, gluten-free, with no fillers or preservatives
• Blend of mushroom mycelium and fruit bodies: Cordyceps, Reishi, Antrodia, and King Trumpet
• Rich in antioxidants including L-ergothioneine plus amino acids and bioactive compounds
• Supports senior pets, rescue animals, and those recovering from surgery or illness
• Easy-to-use powder mixes into wet or dry food without fuss
Best For: Senior pets, dogs and cats in recovery, or any animal needing stronger immunity and overall wellness.
Why It’s Great: Delivers the healing power of organic mushrooms in a clean, natural formula designed to speed recovery, boost vitality, and improve long-term health.
Key Ingredients: Cordyceps Mycelium & Fruit Body, Reishi Mycelium & Fruit Body, Antrodia Mycelium, King Trumpet Mycelium & Fruit Body (all USDA-certified organic, grown on organic oats)
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
PROBIOTICS AND DIGESTIVE SUPPORT
🧫 1. Honest Paws Well Pre+ Probiotics for Dogs – 30 Stick Packs
Quick Pick: Vet-developed powdered sachets packed with 13 probiotic strains and prebiotic fibers—ideal for supporting gut health, digestion, and immune balance.
– Function: Each single-use stick contains over 1 billion CFUs from targeted probiotics plus inulin and spinach-derived prebiotics. Helps reduce loose stools, gas, and digestive irregularities while supporting overall digestion and immunity.
– Key Features:
• 13 canine-safe probiotic strains, including Bacillus subtilis DE111®, Lactobacillus acidophilus, and Bifidobacterium animalis lactis
• Prebiotics like inulin and spinach leaf extract support healthy gut flora and immune balance
• Individually packaged stick format — no scooping required
• Gluten-free, soy-free, non-GMO, and third-party purity tested
– Best For: Dogs with sensitive stomachs, frequent gas, or stress-related loose stools, maintaining digestive balance during travel or diet transitions, owners who prefer easy-to-use powder formats over pills or chews
– Key Ingredients: Probiotic blend (13 strains), inulin, spinach leaf extract, natural flavor
👉 Buy on 🔴 Amazon.com
👉 Buy on 🔴 Shopee.sg
👉 Buy on 🔴 Amazon.sg
🧫 2. Native Pet Probiotic & Prebiotic Powder for Dogs
Quick Pick: A clean, vet-formulated powder featuring probiotics, prebiotics, bone broth, and superfoods—designed to support gut health, nutrient absorption, and regular digestion.
– Function: This probiotic and prebiotic blend helps balance gut bacteria, improve stool consistency, and reduce gas or bloating. It supports digestive wellness during food transitions, stress, or diet sensitivities.
– Key Features:
• Contains multiple live probiotic strains for healthy gut flora
• Includes prebiotic fibers from organic pumpkin seed and Jerusalem artichoke
• Fortified with grass-fed beef bone broth for added gut support and flavor
• Human-grade ingredients with no fillers, artificial additives, or grains
• Easy-to-use powder that mixes well with food; dogs love the mild taste
– Best For: Dogs with sensitive stomachs, loose stools, or frequent gas, maintaining daily digestive balance, dogs that dislike chews or pills, pet owners who prefer clean, simple ingredient lists
– Key Ingredients: Probiotic blend, organic pumpkin seed, Jerusalem artichoke, grass-fed beef bone broth
👉 Buy on 🔴 Shopee.sg (Various Sizes)
👉 Buy on 🔴 Shopee.sg (Various Sizes)
👉 Buy on 🔴 Amazon.sg
🧫 3. Codeage DNA Pet Synbiotic Chew for Dogs (100 Soft Chews, 8 oz / 227 g)
Quick Pick: A premium synbiotic chew blending prebiotics, probiotics, and postbiotics with collagen and whole-food nutrition for complete gut and immune health
Function: Supports balanced digestion, nutrient absorption, and microbiome health while reinforcing immunity, skin, and joint function
Type: Digestive & Immune Support Supplement, Synbiotic Formula (All Life Stages)
Key Features:
• Combines prebiotics, probiotics, and postbiotics for advanced gut health synergy
• Includes beef collagen peptides to support joint, skin, and coat wellness
• Contains ground beef and shrimp for added nutrition and palatability
• Enhanced with flaxseed and chicory root for fiber, omega support, and prebiotic effect
• Grain-free, gluten-free, and air-dried to preserve potency; manufactured in the USA under cGMP standards
Best For: Dogs of all ages needing comprehensive digestive, immune, skin, and joint support in a single, multifunctional chew
Why It’s Great: Goes beyond basic probiotics by delivering a true synbiotic with collagen and whole-food nutrients—premium quality designed for holistic wellness
Key Ingredients: Prebiotics, Probiotics, Postbiotics, Beef Collagen Peptides, Ground Beef, Shrimp, Flaxseed, Chicory Root
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 4. Australian Pet Organics Digestive Health Supplement (Various Concern Options Available)
Quick Pick: Certified organic powder packed with gentle prebiotics, probiotics, and their signature Supaw™ blend—formulated to calm upset tummies, support regular digestion, and maintain overall gut wellbeing.
– Function: This vet-inspired formula helps soothe sensitive or gassy stomachs, improve stool consistency, and support metabolic function through a unique combination of gentle plant-based nutrients and gut-balancing boosters.
– Key Features:
• Certified organic prebiotics and probiotics help stabilize gut flora and ease digestion
• Part of the trademarked Supaw™ blend delivered in each supplement for gut and overall health support
• Free from fillers, wheat, and soy—designed for sensitive tummies
• Australian-made and certified organic for quality and transparency
– Best For: Dogs with mild digestive upset—bloating, loose stool, or discomfort, mintaining daily gut balance and nutrient absorption, owners who value organic ingredients and holistic care
– Key Ingredients: Organic probiotics/prebiotics blend, Supaw™ botanical and nutrient mix
👉 Buy on 🔴 Shopee.sg
👉 Buy on 🔴 Shopee.sg
👉 Buy on 🔴 Shopee.sg
🧫 5. VetSmart Formulas Critical Digestive Restore Soft Chews – 60 chews (~180 g)
Quick Pick: Vet-strength probiotic/prebiotic/enzyme soft chews delivering 5 billion CFUs per chew (10 B CFUs daily dose), designed to restore gut balance, ease bloating, firm up stools, and support skin & coat vitality.
– Function: Chef-formulated by veterinarians, this soft-chew supplement blends probiotics, prebiotics, digestive enzymes, and superfoods like pumpkin and broccoli seed powder to improve digestion, nutrient absorption, immune health, and coat condition. Works well during digestive upset, travel stress, or dietary change.
– Key Features:
• Probiotic/prebiotic/enzyme blend in each chew to regulate gut flora and digestion
• Superfoods—pumpkin powder for fiber and broccoli seed extract for inflammation reduction and coat support
• No wheat, soy, artificial fillers, flavors, or colors; made in the USA with clean ingredients
• Palatable soft-chew format that many dogs happily consume
• Helps reduce gas, diarrhea, bloating while boosting energy and wellness
– Best For: Dogs dealing with digestive irregularities, upset tummies, poor stool quality, low energy, or skin/coat dullness
– Key Ingredients: Probiotic strains (multi‑strain blend), prebiotic FOS, digestive enzymes (amylase/protease/lipase), pumpkin powder, broccoli seed extract (sulforaphane), natural flavors
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 6. The Missing Link Digestion Superfood Supplement Powder
Quick Pick: A vet-developed superfood powder with probiotics, prebiotics, and antioxidant-building botanicals—designed to ease loose stools, reduce gas, support nutrient absorption, and promote energetic gut balance in dogs and cats.
– Function: Delivers over 5 billion CFU per 3 tsp serving from seven probiotic strains, along with chicory root, ginger, chamomile, and flaxseed. This helps soothe mild digestive distress, firm stool consistency, and enhance gut ecosystem health.
– Key Features:
• Packed with a 7-strain probiotic blend totaling 5+ billion CFU per serving
• Includes dried chicory root prebiotic, ginger for soothing, chamomile for GI comfort, and flaxseed for omega support
• Blended with whole-food bases like pumpkin and yeast—easy to sprinkle on meals
• No fillers or unnecessary ingredients; crafted for clean nutrition
– Best For: Dogs and cats experiencing mild digestive irritations, gas, irregular stool, or gut imbalance
– Key Ingredients: Ground flaxseed, chicory root (prebiotic), ginger, chamomile, pumpkin, probiotic blend (LactoSpore®, L. acidophilus, E. faecium, B. licheniformis, B. subtilis, B. animalis, L. delbrueckii), kelp, yucca
👉 Buy on 🔴 Amazon.com
👉 Buy on 🔴 Amazon.sg
🧫 7. Purina Pro Plan FortiFlora Pro Synbiotic Action Powder – 30 × 2 g Sachets (≈60 g)
Quick Pick: A veterinarian‑recommended probiotic powder containing Enterococcus faecium SF68® and psyllium fiber. Trusted for managing canine diarrhea, promoting stool quality, reducing gas, and supporting immune health.
– Function: Each pre‑measured sachet delivers 1 × 10⁸ CFU of Enterococcus faecium SF68 along with psyllium prebiotic fiber to support a balanced gut microbiome, ease occasional GI upset, and improve nutrient absorption. Microencapsulation enhances probiotic stability through digestion.
– Key Features:
• Contains clinically validated Enterococcus faecium SF68® (probiotic) and psyllium husk (prebiotic) for gut microbiota balance
• Includes fermentation product flavoring (“animal digest”) for high palatability
• Formulated with antioxidants such as vitamin C, vitamin E, brewer’s yeast, zinc, and beta-carotene to support immune resilience
• No artificial colors—simple powder that’s easy to sprinkle on food
– Best For: Dogs experiencing mild to moderate digestive disturbance, stress-related loose stool, or post-antibiotic recovery; suitable for puppies and adults alike.
– Key Ingredients: Enterococcus faecium SF68® probiotic, psyllium husk prebiotic, brewer’s yeast, vitamins C & E, zinc proteinate, beta-carotene
👉 Buy on 🔴 Shopee.sg
🧫 8. Zesty Paws Vet Strength Pre-, Post- & Probiotic Bites for Dogs (Chicken & Harvest Vegetable, 90 Soft Chews, 12.6 oz / 360 g)
Quick Pick: A premium blend with prebiotics, postbiotics, and enzymes plus 8 powerful probiotic strains to support both digestion and immune function
Function: Enhances gut flora, supports bowel regularity, aids nutrient absorption, and bolsters immune performance
Type: Probiotics & Digestive Support, Pre-/Post-/Probiotic Complex (All Ages)
Key Features:
• Proprietary Digestive Health Blend includes VitaFiber® IMO (prebiotic), 7 digestive enzymes (amylase, protease, bromelain, and more), LBiome™ (inactivated post-biotic), and Gingever™ ginger extract to support digestive comfort and motility
• Proprietary Gut Health Blend combines elite probiotic strains—DE111® (Bacillus subtilis), Bacillus coagulans, Lactobacillus acidophilus, L. plantarum, L. fermentum, L. brevis, and Lactococcus lactis—for comprehensive gut support
• NASC-certified and veterinarian-formulated for quality, safety, and dog-friendly taste
Best For: Dogs of all ages who need effective gut health support—especially those with digestive upsets, immune stress, or slow motility
Why It’s Great: Offers an advanced, multi-stage gut health formula featuring clinically backed prebiotics, enzymes, probiotics, and postbiotics for maximum digestive and immune resilience
Key Ingredients: VitaFiber® IMO, LBiome™, Gingever™ (ginger extract), Bacillus subtilis DE111®, Bacillus coagulans, Lactobacillus acidophilus, L. plantarum, L. fermentum, L. brevis, Lactococcus lactis
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 9. GNC Pets Advanced Digestion Support Supplement for Dogs
Quick Pick: A daily chewable digestive support supplement made by GNC, packed with enzymes, probiotics, and prebiotics to support balanced gut health.
Function: Promotes healthy digestion, reduces bloating and gas, supports nutrient absorption, and helps maintain stool quality.
Key Features:
• Contains digestive enzymes, probiotics, and prebiotics for full-spectrum gut support
• Soft chew format — easy to administer and palatable for picky eaters
• Helps break down proteins, fats, and carbs more efficiently
• Designed for dogs with occasional digestive upset or sensitive stomachs
• From GNC, a trusted name in wellness and nutritional products
Best For: Dogs with gas, loose stool, irregular digestion, or transitioning diets; also great for dogs on high-protein or processed food.
Key Ingredients: Probiotics (Lactobacillus), Prebiotics (Fructooligosaccharides), Digestive Enzymes (including amylase, protease, and lipase), Ginger Root Extract
👉 Buy on 🔴 Amazon.com
🧫 10. PetLab Co. Probiotics for Dogs – Digestive Support Chews
Quick Pick: One of the top-rated probiotic supplements for dogs — supports gut health, digestion, and overall wellness with a powerful blend of 8 beneficial strains.
Function: Helps maintain a healthy digestive tract, reduces occasional diarrhea, supports nutrient absorption, and promotes balanced gut flora.
Key Features:
• Contains 8 strains of beneficial probiotics with over 6 billion CFUs per chew
• Includes inulin prebiotic to feed and support the probiotics
• Soft chews with a pork flavor dogs love — easy to give daily
• Supports immune system and digestion simultaneously
• Made in the USA in GMP-certified facilities
• Vet-approved formula with no artificial additives
Best For: Dogs with digestive issues, loose stool, flatulence, or transitioning diets; great for daily gut health maintenance.
Key Ingredients: Probiotic Blend (Bacillus coagulans, Lactobacillus plantarum, Lactobacillus acidophilus, etc.), Inulin (prebiotic), Honey, Pork Liver Powder
👉 Buy on 🔴 Amazon.com (2 Flavours and Choices of Packs)
👉 Buy on 🔴 Shopee.sg
👉 Buy on 🔴 Amazon.sg
🧫 11. MacroLife Naturals MacroPets Daily Superfood – Powder (6.35 oz / 180 g)
Quick Pick: A greens-based daily powder with probiotics, enzymes, and superfoods to boost digestion, immunity, energy, and skin health in dogs and cats.
Function: Supports digestive balance, strengthens the immune system, promotes skin and coat vitality, and increases overall energy.
Type: Pet Supplement, Digestive & Immune Support Powder
Key Features:
• Blend of organic barley grass, spirulina, spinach, apple, carrot, pumpkin seed, flaxseed, and beef liver for whole-food nutrition
• Contains 4 billion CFU probiotics and digestive enzymes to aid nutrient absorption and gut health
• Provides antioxidants and vitamins to support immunity, energy, and skin wellness
• Grain-free, vet-approved, and easy to sprinkle over meals
• Awarded Gold for Best Pet Supplement in the 2023 Delicious Living Supplement Awards
Best For:Pets with digestive imbalance, low energy, dull coats, or those needing a daily nutritional boost.
Key Ingredients:Organic Barley Grass, Apple Powder, Carrot Powder, Beef Liver Powder, Pumpkin Seed Powder, Organic Spirulina, Flaxseed Powder, Spinach Powder, Digestive Enzyme Blend, Probiotic Blend (4 Billion CFU)
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 12. Natural Dog Company Dog Probiotics – Gut Health & Digestion (45 Soft Chews)
Quick Pick: Premium gut health formula featuring canine-specific probiotic strains, prebiotic fiber, and digestive enzymes to balance the microbiome, improve digestion, and support immune function.
Function: Supports healthy digestion, nutrient absorption, and overall gastrointestinal health while easing issues like loose stools, gas, and occasional digestive discomfort.
Key Features:
• NASC Quality Seal guarantees high safety, purity, and manufacturing standards
• Canine-specific probiotic strains ensure optimal gut survival and effectiveness
• Includes prebiotics to nourish beneficial gut bacteria and maintain balance
• Digestive enzymes aid in breaking down proteins, fats, and carbohydrates for better nutrient absorption
• Grain-free, all-natural formula with no artificial preservatives or flavors
• Suitable for all breeds and life stages
Best For: Dogs with sensitive stomachs, digestive irregularities, or those recovering from illness, antibiotics, or stress—ideal for maintaining daily gut health and immune support.
Key Ingredients: Probiotic blend (multiple canine-specific strains), Prebiotic fiber (inulin), Digestive enzymes, Pumpkin powder, Natural chicken flavor.
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 13. Fera Pets Postbiotics Plus – Gut & Immune Support (60 g Powder)
Quick Pick: Vet-formulated powder combining prebiotics, postbiotics (Tynagen®), and organic botanicals for gentle yet powerful gut barrier, digestive, and immune support.
Function: Strengthens the intestinal lining, supports healthy digestion, nurtures gut flora balance, and enhances immune and inflammatory responses.
Key Features:
• Contains Tynagen® postbiotics for gut lining integrity and immune modulation
• Includes Actigen® prebiotics to feed beneficial gut bacteria and promote digestion
• Features AstraGin® (Astragalus & Ginseng extracts) to enhance gut barrier function and nutrient uptake
• Proprietary herbal blend with organic fennel seed, licorice root (DGL), slippery elm bark, thyme, and ginger for comprehensive digestive comfort
• No inactive fillers—pure and efficacious formula
Best For: Dogs with digestive imbalance, leaky gut concerns, weakened immunity, or seasonal gastrointestinal stress—ideal for daily digestive and immune maintenance.
Key Ingredients: Tynagen® (postbiotics), Actigen® (prebiotics), AstraGin® (Astragalus & Ginseng), Organic Fennel Seed, Licorice Root (DGL), Slippery Elm Bark, Organic Thyme Leaf, Organic Ginger Root.
👉 Buy on 🔴 Shopee.sg
🧫 14. Native Pet Pumpkin Powder – Organic Fiber Topper
Quick Pick: USDA-certified organic pumpkin powder made from just three natural ingredients—pumpkin, pumpkin seed, and apple—to support smooth digestion, regulate stool consistency, and improve nutrient absorption.
Function: Adds veterinarian-formulated soluble and insoluble fiber to your dog’s diet to ease diarrhea, relieve constipation, encourage healthy digestion, and promote a balanced gut microbiome.
Key Features:
• Made with 100% USDA Organic ingredients, without GMOs, artificial additives, or preservatives
• Vet-developed balance of soluble and insoluble fiber for gentle yet effective digestive relief
• Convenient, mess-free powder format—easy to scoop, mix, and store with long shelf life
• Great taste that pets love, adding natural flavor without animal-based fillers
• Supports dogs at all life stages and breeds
Best For: Dogs struggling with inconsistent stools, diarrhea, constipation, or needing gentle fiber support—especially useful as a daily digestive aid or during diet transitions.
Key Ingredients: Organic Pumpkin, Organic Pumpkin Seed, Organic Apple.
👉 Buy on 🔴 Amazon.com (Three Sizes)
👉 Buy on 🔴 Amazon.sg
👉 Buy on 🔴 Shopee.sg (Three Sizes)
🧫 15. Dr. Mercola Bark & Whiskers Probiotics + Enzymes for Dogs & Cats (3.59 oz / 102 g Powder)
Quick Pick: A premium vet-formulated probiotic and enzyme blend enhanced with superfoods and functional mushrooms for complete digestive and immune support
Function: Restores healthy gut flora and enzyme activity while nourishing immunity, circulation, and overall vitality
Type: Probiotics & Digestive Support Supplement (All Life Stages)
Key Features:
• Provides 14 resilient probiotic strains plus digestive enzymes for balanced gut function
• Superfood blend includes spirulina, fermented chlorella, organic broccoli sprouts, and organic turmeric for added antioxidant and cellular support
• Includes a functional mushroom mix with Reishi and Chaga to promote immune health and liver function
• Veterinarian-formulated under high-quality standards, free from fillers, artificial flavors, or preservatives
Best For: Dogs and cats needing enhanced digestive efficiency, immune resilience, or systemic wellness—ideal for pets with sensitive digestion or gut imbalance
Key Ingredients: Probiotic strains (Bifidobacterium, Lactobacillus, Enterococcus), Digestive Enzymes, Spirulina, Fermented Chlorella, Organic Broccoli Sprouts, Organic Turmeric, Reishi & Chaga Mushrooms
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 16. Animal Essentials Plant Enzyme & Probiotic Powder (10.6 oz / 300 g)
Quick Pick: Plant-based enzyme and probiotic blend to aid digestion and nutrient absorption
Function: Supports healthy digestion, reduces gas and bloating, and helps improve nutrient uptake from food
Type: Dog Supplement, Digestive Support
Key Features:
• NASC-certified for safety and quality assurance
• Contains plant-based digestive enzymes to break down fats, proteins, and carbohydrates
• Includes stable probiotic Bacillus coagulans for balanced gut flora
• Powder form mixes easily with meals for convenient daily use
• Suitable for both dogs and cats
Best For: Pets with sensitive digestion, nutrient absorption issues, or occasional digestive discomfort
Why It’s Great: Combines gentle plant-based enzymes with a stable probiotic to keep your dog’s digestion smooth and effective.
Key Ingredients: Plant-Based Digestive Enzymes, Bacillus coagulans
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 17. Pawfy Pumpkin & More – Superfood Meal Topper (8 oz / 227 g)
Quick Pick: Pumpkin-based fiber and veggie blend that supports healthy digestion, stool consistency, and gut comfort.
Function: Promotes digestive health, regulates stool, soothes sensitive stomachs, and helps maintain healthy weight.
Type: Dog Supplement, Digestive Health Powder Topper
Key Features:
• Made with pumpkin, sweet potato, carrot, apple juice, ginger root, and psyllium husk for natural fiber and gut support
• Helps regulate stool consistency—useful for occasional constipation or loose stools
• Provides antioxidants and prebiotics to balance gut bacteria and support overall wellness
• Unflavored powder mixes easily into kibble or can be made into a paste with warm water
• Vet-reviewed, made in cGMP facilities, and free from artificial fillers or additives
Best For: Dogs with sensitive stomachs, irregular stool, or those needing added dietary fiber and digestive support.
Why It’s Great: Combines the digestive power of pumpkin with additional superfoods and fiber sources, offering a tasty, natural way to keep your dog’s tummy happy.
Key Ingredients: Pumpkin, Sweet Potato, Carrot, Apple Juice, Ginger Root, Psyllium Husk
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🧫 18. Dr. Goat Milk Powder
Quick Pick: Nutrient-rich goat milk powder fortified with prebiotics and probiotics to support healthy digestion, boost immunity, and provide a natural source of vitamins and minerals for dogs and cats of all life stages.
Function: Works as a gentle, lactose-free supplement to promote gut health, enhance nutrient absorption, and strengthen overall wellness. Goat’s milk enzymes aid digestion, while added probiotics and prebiotics balance the gut microbiome for better stool quality and immunity.
Key Features:
• Fortified with prebiotics and probiotics for digestive and immune support
• 100% natural, lactose-free, with no fillers, preservatives, or artificial additives
• High in calcium, protein, and essential vitamins for growth, recovery, and vitality
• Gentle on sensitive stomachs, making it suitable for pets with food intolerances
• Convenient powder format—easy to mix with food or water for daily use
Best For: Dogs and cats of all ages, especially those with sensitive stomachs, poor digestion, low appetite, or in need of an immune system boost. Also ideal as a nutritional topper for picky eaters.
Key Ingredients: Premium Goat Milk Powder, Prebiotics, Probiotics.
👉 Buy on 🔴 Shopee.sg (Single or Bundle of Three)
👉 Buy on 🔴 Shopee.sg (Single or Bundle of Three)
👉 Buy on 🔴 Amazon.sg
🧫 19. Altimate Goat Milk Powder – Premium Digestive & Immune Support
Quick Pick: Easily digestible goat milk powder fortified with probiotics, DHA (for brain support), and essential nutrients to boost digestion, immunity, and overall vitality for dogs and cats.
Function: A lactose-friendly supplement that supports gut health, enhances nutrient absorption, promotes immune resilience, and supports cognitive and bone development.
Key Features:
• Probiotics added for digestive and immune support
• DHA-rich goat milk for brain development
• Hypoallergenic and lactose-friendly — ideal for sensitive pets
• High in calcium and minerals to support strong bones and joints
• Convenient powder form—mixes easily with food or water
Best For: Dogs and cats of all life stages—especially puppies, kittens, seniors, or pets with digestive sensitivities or immune needs.
Key Ingredients: Goat Milk Powder, Whey Protein Powder, Fruit Oligosaccharides (prebiotic), Taurine, Galactooligosaccharide
👉 Buy on 🔴 Shopee.sg
👉 Buy on 🔴 Shopee.sg
🧫 20. Raw Paws Whole Goat Milk Powder – Premium Digestive & Immune Support
Quick Pick: Made in the USA, this whole goat milk powder naturally contains probiotics and digestive enzymes—designed to support gut health, strengthen immunity, and deliver wholesome nutrition in an easy-to-use form.
Function: A gentle lactose-friendly supplement that enhances digestive comfort, boosts immune defenses, and alleviates allergy and joint-related discomfort—great as a milk replacer or daily topper.
Key Features:
• Naturally occurring probiotics for digestive and immune support
• High in vitamins, minerals, fatty acids, enzymes, and antioxidants
• Made in the USA from antibiotic- and hormone-free goats
• Easy to mix with water or sprinkle over food—perfect for busy pet parents
• Helps soothe itchy paws, skin hot spots, and supports joint health
Best For: Dogs and cats of all life stages, particularly those with sensitive digestion, food allergies, joint discomfort, or needing extra hydration and nutrient support.
Key Ingredients: Whole Goat Milk Powder (naturally probiotic-rich)
👉 Buy on 🔴 Amazon.sg
🧫 21. StrellaLab Probiotics for Dogs – Digestion & Immunity Support (Two Sizes)
Quick Pick: Soft chews packed with probiotics, prebiotics, and digestive enzymes designed to support healthy digestion, ease tummy troubles, and strengthen immunity at any life stage.
Function: Supports gut flora balance, aids digestion, and helps soothe common digestive issues like gas, bloating, diarrhea, and allergies. Promotes overall wellness by enhancing nutrient absorption and immune response.
Key Features:
• Potent blend of probiotics, prebiotics, and digestive enzymes for comprehensive gut support
• Helps ease gas, diarrhea, constipation, indigestion, and bad breath
• Supports allergy relief and boosts immune function through better digestion
• Suitable for dogs of all ages (puppy through senior)
• Made in the USA with premium ingredients
Best For: Dogs with digestive sensitivities, food allergies, or those in need of immune reinforcement; also great as a daily wellness chews for senior dogs’ digestive health.
Key Ingredients: Probiotics, Prebiotics, Alpha-Amylase, Protease, Lipase, Cellulase, Fiber Blend
👉 Buy on 🔴 iHerb.com
👉 Buy on 🔴 iHerb.sg
🐶 Bonus Tips
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🦴 Keep their diet simple. Too many proteins or fillers can stress the digestive system.
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💧 Hydration matters. A well-hydrated dog flushes toxins more easily and maintains better gut function.
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🧼 Clean bowls, clean belly. Regularly wash food and water bowls to prevent bacterial buildup.
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🧘 Minimize stress. Stress can weaken immunity and upset digestion. Calming treats or routines may help.
❓Frequently Asked Questions
Q: Can I give these supplements daily?
Yes, most are designed for daily use — but always follow the dosage guide based on your dog’s size and age.
Q: How soon will I see results?
For digestive symptoms, some dogs show improvement in a few days. For immune health, it may take a few weeks of consistent use.
Q: Are these safe for puppies or seniors?
Most are, but check the product label. Some are tailored for adults, while others are gentle enough for dogs of all ages.
Q: Can these replace medication?
No — they’re not a substitute for prescribed treatments but can support your dog’s system alongside veterinary care.
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🐕 Final Thoughts
A healthy gut and a strong immune system are the foundations of your dog’s well-being. Whether you’re dealing with food sensitivities, recurring tummy troubles, or simply want to boost your dog’s natural defenses, these supplements are a great step toward long-term health. Just be sure to introduce them gradually and observe your dog’s response.