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


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  • 2 Sizes

    Authority® Everyday Health Large Breed Adult Dry Dog Food - Chicken

    Discounted Price $44.99 - 56.99 Old Price $44.99 - 59.99
    $42.74 - 54.14
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    (250)

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  • 5 Flavors

    Authority® Everyday Health Indoor Cat Wet Food - 5.5 Oz, Pate, With-Grain

    Old Price $1.50
    $1.43
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    (101)

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  • 4 Flavors

    Authority® Everyday Health Adult Wet Dog Food - 13 Oz.

    Old Price $2.09
    $1.99
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    (79)

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  • 2 Flavors

    Authority® Everyday Health Adult Wet Dog Food - 13 Oz.

    Old Price $2.09
    $1.99
    5% off Auto Ship
    (59)

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  • 3 Sizes

    Authority® Everyday Health All Life Stage Dry Dog Food - Chicken

    Discounted Price $16.99 - 55.99 Old Price $17.99 - 55.99
    $16.14 - 53.19
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    (123)

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  • 3 Sizes

    Authority® Sensitive Stomach & Skin All Life Stage Dry Dog Food - Salmon

    Old Price $19.99 - 59.99
    $18.99 - 56.99
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    (210)

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  • 2 Sizes

    Authority® Everyday Health High Performance All Life Stage Dry Dog Food - Turkey, Salmon & Duck

    Old Price $17.99 - 59.99
    $17.09 - 56.99
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    (171)

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  • Authority® Everyday Health Adult Dry Dog Food - Beef

    Discounted Price $55.99 Old Price $59.99
    $53.19
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    (60)

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  • 2 Flavors

    Authority® Everyday Health Senior Wet Dog Food - 13 Oz.

    Old Price $2.09
    $1.99
    5% off Auto Ship
    (65)

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  • Authority® Everyday Health Large Breed Adult Dry Dog Food - Lamb

    Discounted Price $56.99 Old Price $59.99
    $54.14
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    (58)

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  • 2 Sizes

    Authority® Everyday Health Large Breed Senior Dry Dog Food - Chicken

    Discounted Price $44.99 - 56.99 Old Price $44.99 - 59.99
    $42.74 - 54.14
    5% off Auto Ship
    (60)

    Save 35% On Your First Autoship Order!

    Free Same-Day Delivery!

  • Authority® Everyday Health Large Breed Adult Dry Dog Food - Chicken

    Old Price $55.99
    $53.19
    5% off Auto Ship
    (137)

    Save 35% On Your First Autoship Order!

    Free Same-Day Delivery!
  • 2 Sizes

    Authority® Sensitive Stomach & Skin All Life Stage Dry Dog Food - Lamb

    Old Price $19.99 - 59.99
    $18.99 - 56.99
    5% off Auto Ship
    (126)

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  • 3 Sizes

    Authority® Everyday Health Adult Dry Dog Food - Chicken

    Discounted Price $16.99 - 56.99 Old Price $17.99 - 59.99
    $16.14 - 54.14
    5% off Auto Ship
    (62)

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  • 2 Flavors

    Authority® Hip & Joint Dog Treat

    Old Price $16.99
    $16.14
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    (120)

    Buy 3, Get 1 Free All Dog Treats & Chews Excluding Whimzees Bulk.

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  • 3 Sizes

    Authority® Everyday Health Small Breed Adult Dry Dog Food - Chicken

    Discounted Price $16.99 - 56.99 Old Price $17.99 - 59.99
    $16.14 - 54.14
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    (111)

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  • 2 Sizes

    Authority® Everyday Health Large Breed Adult Dry Dog Food - Chicken

    Discounted Price $44.99 - 55.99 Old Price $44.99 - 59.99
    $42.74 - 53.19
    5% off Auto Ship
    (40)

    Save 35% On Your First Autoship Order!

    Free Same-Day Delivery!
  • 3 Sizes

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

    Old Price $16.99 - 59.99
    $16.14 - 56.99
    5% off Auto Ship
    (190)

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  • 2 Flavors

    Authority® Everyday Health Adult Wet Dog Food - 5.5 Oz.

    Old Price $1.29
    $1.23
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    (12)

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  • 3 Sizes

    Authority® Everyday Health Large Breed Puppy Dry Dog Food - Chicken

    Discounted Price $16.99 - 56.99 Old Price $17.99 - 59.99
    $16.14 - 54.14
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    (141)

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  • 2 Sizes

    Authority® Everyday Health Weight Management Adult Dry Dog Food - Chicken

    Old Price $17.99 - 59.99
    $17.09 - 56.99
    5% off Auto Ship
    (42)

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  • Authority® Everyday Health Senior Wet Dog Food - 5.5 Oz.

    Old Price $1.29
    $1.23
    5% off Auto Ship
    (11)

    Save 35% On Your First Autoship Order!

    Free Same-Day Delivery!
  • 2 Sizes

    Authority® Everyday Health Senior Dry Dog Food - Chicken

    Discounted Price $16.99 - 56.99 Old Price $17.99 - 59.99
    $16.14 - 54.14
    5% off Auto Ship
    (46)

    Save 35% On Your First Autoship Order!

    Free Same-Day Delivery!
  • 3 Sizes

    Authority® Hairball Control & Healthy Weight Cat Dry Food - Chicken & Rice, With-Grain

    Discounted Price $15.99 - 48.99 Old Price $17.99 - 48.99
    $15.19 - 46.54
    5% off Auto Ship
    (85)

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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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