FidoSpore™ is a clinically studied, spore-based probiotic designed to support digestive health, microbiome balance, and gut barrier integrity in dogs and cats. Formulated with resilient probiotic strains and enhanced with natural grass-fed beef liver for taste, FidoSpore™ makes daily gut support simple and effective for your pet.
In clinical research evaluating gut dysbiosis in dogs, this unique formula was shown to help reduce inflammation, diarrhea, and vomiting in as little as 30 days, supporting a healthier, more resilient digestive system.*
Targeted Support for Your Pet’s Gut Health*
Digestive imbalance in pets can lead to symptoms such as loose stools, gas, vomiting, skin issues, and reduced vitality. FidoSpore™ works to restore microbial balance and strengthen the gut from within by:
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Supporting a healthy, diverse microbiome*
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Promoting gut barrier integrity to help reduce “leaky gut”.
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Helping reduce occasional diarrhea, vomiting, and digestive upset*
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Supporting normal immune and inflammatory responses*
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Encouraging better nutrient absorption and overall vitality*
Because a large portion of your pet’s immune system resides in the gut, daily microbiome support plays a critical role in whole-body health.
Clinically Selected Spore-Based Probiotics
Each serving delivers 4 billion CFU of durable, research-supported strains:
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Bacillus subtilis HU58™ – Supports microbiome balance and digestive resilience*
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Bacillus licheniformis (SL-307) – Helps maintain a healthy intestinal environment*
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Pediococcus acidilactici – Supports digestive comfort and microbial diversity*
Spore-forming probiotics are naturally resistant to heat, stomach acid, and storage conditions, ensuring they reach your pet’s intestines alive and active.
Highly Palatable, Clean Formula
Defatted Grass-Fed Beef Liver Extract (180 mg) provides a natural aroma and flavor pets love, making daily supplementation easy.
Free From:
Wheat • Gluten • Dairy • Soy • Nuts • Chicken • Casein • Whey
Suggested Use
Dogs & Cats: Give 1 capsule daily.
Capsule may be opened and sprinkled onto food or given whole.
Dosage is not weight-dependent.
Supplement Facts (Per Capsule)
Proprietary Probiotic Blend — 4 Billion CFU
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Bacillus subtilis HU58™
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Bacillus licheniformis (SL-307)
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Pediococcus acidilactici
Defatted Grass-Fed Beef Liver Extract — 180 mg
Other Ingredients: Cellulose, vegetable capsule (cellulose and water)
Daily Gut Support for a Healthier Pet
FidoSpore™ helps restore balance to your pet’s microbiome—supporting digestion, immune health, and overall well-being for happier, healthier dogs and cats.*