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    Boost™G Boost™Ground it Sustain™R Sustain™Root it Youthful Grasses & SproutsO Youthful Grasses & SproutsOptimize it Fiber & Fortifier™W Fiber & Fortifier™Work the soil Gussy's GutAbles® Treats Gussy's GutAbles®Treat between meals
    • Shop
      • 90-Day Reset · Best value
      • The GROW System
      • Gussy's GutAbles® treats
      • Gift card
    • The GROW System
    • 90-Day Reset
    • Shop by Concern
      • Loose or mushy stools
      • Gas & gurgling
      • Itchy skin & paw licking
      • Eating grass
      • Poop eating
      • Picky eater
      • Senior dog
      • Rescue or new dog
      • Raw & homemade feeders
    • Learn
      • How fermentation works
      • Ingredients
      • Dosing guide and video
      • Education blog
      • Dr. Billinghurst
    • Our Story
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    Fermented, whole-food powders that support your dog's gut. Small batch, made in the USA.

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    © 2026 Gussys Gut · Franklin, TN Blog · Partner with Us · Subscription Terms

    Risk-free full refund on your first order of any product. See full return policy.

    Gussy’s Gut®, Gussy’s Gut Boost™, Gussy’s Gut Sustain™, Youthful Grasses and Sprouts™, and Gussy’s GutAbles® are our trademarks. All rights reserved.

    Statements on this website have not been evaluated by the Food and Drug Administration. Our products are not intended to diagnose, treat, cure, or prevent any disease. Always consult your veterinarian before introducing new foods or supplements to your pet.

    Across thousands of dog and cat customers, we cannot and do not guarantee specific health outcomes from the use of our products. Nothing on our website, social media, emails, or any other assets we share should be construed as such.

    The information provided here is for educational purposes only and is not a substitute for professional veterinary advice. Dr. Ian Billinghurst and other veterinarians featured on this website cannot address specific medical questions about your pet or provide recommendations without an established veterinarian-client-patient relationship. Your pet’s diet, supplements, and medical care should be determined by your veterinarian.

    Every pet is unique, and their owners, in consultation with their veterinarians, are best positioned to understand their individual health needs. By using our products, you agree to obtain veterinary approval prior to use and to discontinue use if you notice any adverse reactions. Please refer to our Terms of Service for details on your responsibilities and rights.

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