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Veterinarian recommended science-backed diets for better nutrition. Learn more


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  • Authority® Hairball Control Indoor Cat Wet Food - 3 Oz, Pate, With-Grain

    Old Price $1.23
    $1.17
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  • Authority® Everyday Health Small Breed Puppy Dry Dog Food - Chicken

    Discounted Price $16.99 Old Price $17.99
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  • Authority® Everyday Health Puppy Dry Dog Food - Beef

    Discounted Price $55.99 Old Price $59.99
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  • Authority® Gut Health Cat Wet Food - 3 Oz, Flaked in Broth, With-Grain

    Old Price $1.23
    $1.17
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  • 3 Sizes

    Authority® Gut Health Cat Dry Food - Salmon & Rice, With-Grain

    Discounted Price $15.99 - 48.99 Old Price $17.99 - 48.99
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  • 2 Flavors

    Authority® Digestive Support All Life Stage Wet Dog Food - 5 Oz.

    Old Price $1.99
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  • 2 Sizes

    Authority® Everyday Health Indoor Senior Cat Dry Food - Chicken & Rice, With-Grain

    Old Price $16.99 - 25.99
    $16.14 - 24.69
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  • 2 Sizes

    Authority® Everyday Health High Performance All Life Stage Dry Dog Food - Beef

    Old Price $49.99 - 59.99
    $47.49 - 56.99
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  • Authority® Everyday Health Puppy Dry Dog Food - Chicken

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  • Authority® Everyday Health Indoor Cat Wet Food - 3 Oz, Pate, With-Grain

    Old Price $1.23
    $1.17
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  • Authority® Weight Management Cat Wet Food - 3 Oz, Pate, With-Grain

    Old Price $1.23
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  • Authority® Gut Health Dog Treat - 16 Oz.

    Old Price $16.99
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  • Authority® Everyday Health Puppy Wet Dog Food - 5.5 Oz.

    Old Price $1.29
    $1.23
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  • Authority® Urinary Tract Health Cat Wet Food - 3 Oz, Pate, With-Grain

    Old Price $1.23
    $1.17
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  • 2 Sizes

    Authority® Everyday Health Indoor Kitten Cat Dry Food - Chicken & Rice, With-Grain

    Old Price $16.99 - 25.99
    $16.14 - 24.69
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  • Authority® Weight Management Dog Jerky Treat - Chicken, 16 Oz.

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  • Authority® Everyday Health Puppy Dry Dog Food - Beef

    Discounted Price $16.99 Old Price $17.99
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  • Authority® Weight Management Cat Wet Food - 3 Oz, Shreds in Broth, With-Grain

    Old Price $1.23
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    Free Same-Day Delivery!
  • 2 Sizes

    Authority® Everyday Health High Performance All Life Stage Dry Dog Food - Chicken & Rice

    Old Price $49.99 - 59.99
    $47.49 - 56.99
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  • Authority® Everyday Health Puppy Dry Dog Food - Chicken

    Discounted Price $16.99 Old Price $17.99
    $16.14
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  • Authority® Digestive Support All Life Stage Wet Dog Food - 5.5 Oz.

    Old Price $1.99
    $1.89
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  • Authority® Sensitive Stomach & Skin Adult Wet Dog Food - 5.5 Oz.

    Old Price $1.99
    $1.89
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  • Authority® Everyday Health Small Breed Adult Dry Dog Food - Chicken

    Old Price $44.99
    $42.74
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  • 4 Flavors

    Authority® Everyday Health Indoor Cat Wet Food - 5.5 Oz, Flaked in Gravy, With-Grain

    Old Price $1.50
    $1.43
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  • Authority® Everyday Health Adult Wet Dog Food - 78 Oz.

    Old Price $11.99
    $11.39
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  • Authority® Everyday Health Indoor Cat Wet Food - 5.5 Oz, Shreds in Gravy, With-Grain

    Old Price $1.50
    $1.43
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  • Authority® Everyday Health Cat Wet Food - 66 Oz, Flaked in Gravy, With-Grain

    Discounted Price $15.49 Old Price $17.49
    $14.72
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  • Authority® Everyday Health Indoor Kitten Cat Wet Food - 36 Oz, Pate, With-Grain

    Discounted Price $11.99 Old Price $13.99
    $11.39
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  • Authority® Digestive Support Cat Wet Food - 5.5 Oz, Puree, Grain Free

    Old Price $1.50
    $1.43
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Authority Dog Food

Give your dog balanced nutrition at every age and stage of life. Authority dog food is backed by decades of research and solution-focused formulas. Whether you prefer a grain-free formula, or if your dog does best on food with healthy grains, you'll find dry and canned food options with Authority. 

Authority dog food contains omega fatty acids to help support healthy skin and coat, with no artificial colors, flavors, preservatives or chicken by product meal. With Authority dog food, PetSmart makes it easy to give them the nutrients they need - and the flavors they love.

Support your dog’s well-being through all life stages with formulas driven by scientific research. Authority dog foods have solutions that are unique to your dog’s overall health, stage in life, and breed type. Each diet focuses on ingredients your dog needs including:
DHA to support brain health
Glucosamine to support joint health
L-carnitine to support lean muscles

In addition to overall health, Authority formulated dog foods promote digestive and dental health with formulas that include:
Natural fibers and prebiotic blends to support digestive health
Specifically formulated foods to reduce plaque and tartar

Shop our selection of dog food from Authority in-store or online at PetSmart. 


 

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