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    What Sets
    Purina ONE Cat Apart?

    Dry Cat Food Comparison
    Purina ONE SMARTBLEND
    Real poultry or fish is ALWAYS the #1 ingredient
    Purina® SMARTBLEND® approach to developing pet food
    Guaranteed minimum protein levels of 34% or higher for all formulas
    Over 80 years of innovation in pet nutrition
    Only manufactured in company-owned facilities
    No added artificial flavors or preservatives
    Iams
    Real poultry or fish is ALWAYS the #1 ingredient
    Purina® SMARTBLEND® approach to developing pet food
    Guaranteed minimum protein levels of 34% or higher for all formulas
    Over 80 years of innovation in pet nutrition
    Only manufactured in company-owned facilities
    No added artificial flavors or preservatives
    Hill's Science Diet
    Real poultry or fish is ALWAYS the #1 ingredient
    Purina® SMARTBLEND® approach to developing pet food
    Guaranteed minimum protein levels of 34% or higher for all formulas
    Over 80 years of innovation in pet nutrition
    Only manufactured in company-owned facilities
    No added artificial flavors or preservatives
    *17 out of 18 Science Diet dry cat foods contain real poultry or fish as the first ingredient
    Dry Cat Food Comparison
    Real poultry or fish is ALWAYS the #1 ingredient
    Purina® SMARTBLEND® approach to developing pet food

    Inspired by Nature,
    Advanced by Science.™

    When nature's ingredients are blended together with scientific precision, they provide the balanced nutrition your pet needs.

    Guaranteed minimum protein levels of 34% or higher for all formulas
    Over 80 years of innovation in pet nutrition
    Only manufactured in company-owned facilities
    No added artificial flavors or preservatives
    Purina ONE SMARTBLEND
    Iams
    Hill's Science Diet *
    *17 out of 18 Science Diet dry cat foods contain real poultry or fish as the first ingredient

    Compare

    Are you considering switching to Purina ONE? See how it compares to your current pet food.

    Compare

    Are you considering switching to Purina ONE? See how it compares to your current pet food.
    SmartBlend Salmon and Tuna Flavor - Cat Purina ONE® SMARTBLEND®

    Purina ONE® SMARTBlend® Salmon & Tuna Flavor

    Change
    Iams Iams

    ProActive Health™ Adult Original with Tuna

    Change
    Science Diet Hill's® Science Diet®

    Adult Optimal Care® Original

    Change
    Top 5 Ingredients Salmon
    Corn Gluten Meal
    Brewer's Rice
    Poultry By-Product Meal
    Soybean Meal
    Chicken By-Product Meal
    Corn Grits
    Corn Meal
    Chicken Fat (Preserved with mixed Tocopherols, a source of Vitamin E)
    Tuna
    Chicken
    Whole Grain Wheat
    Corn Gluten Meal
    Pork Fat
    Brewer's Rice
    Crude Protein (MIN)
    ?
    Crude Protein (MIN)

    Protein is necessary for building body tissues and other essential body compounds

    37.5% 32.0% 31.0%
    Crude Fat (MIN)
    ?
    Crude Fat (MIN)

    Essential for normal body function and a source of energy and essential fatty acids

    13.0% 14.0% 20.0%
    Crude Fiber (MAX)
    ?
    Crude Fiber (MAX)

    Necessary to help maintain a healthy digestive tract as well as normal digestive function

    2.0% 3.0% 3.5%
    Moisture (MAX)
    ?
    Moisture (MAX)

    A measure of the water content; monitored to maintain product integrity and storage life

    12.0% 10.0% 8.0%
    Linoleic Acid (MIN)
    ?
    Linoleic Acid (MIN)

    An essential omega-6 fatty acid that helps maintain healthy skin

    1.4% -- --
    Calcium (Ca) (MIN)
    ?
    Calcium (Ca) (MIN)

    An essential mineral that helps keep bones and teeth healthy

    1.0% -- --
    Phosphorus (P) (MIN)
    ?
    Phosphorus (P) (MIN)

    Required nutrient for strong, healthy bones

    0.9% -- 0.5%
    Zinc (Zn) (MIN)
    ?
    Zinc (Zn) (MIN)

    An essential mineral for healthy skin and many other body tissues

    150 mg/kg -- --
    Selenium (Se) (MIN)
    ?
    Selenium (Se) (MIN)

    An essential nutrient that helps support a strong immune system

    0.35 mg/kg -- --
    Vitamin A (MIN)
    ?
    Vitamin A (MIN)

    Helps support a healthy immune system; Promotes healthy vision

    10,000 IU/kg -- --
    Vitamin E (MIN)
    ?
    Vitamin E (MIN)

    Helps support a healthy immune system; Promotes strong muscles

    100 IU/kg -- 500 IU/kg
    Taurine (MIN)
    ?
    Taurine (MIN)

    Promotes healthy vision

    0.15% 0.15% 0.10%
    Omega-6 Fatty Acids (MIN)
    ?
    Omega-6 Fatty Acids (MIN)

    Essential nutrients that help support healthy skin and shiny coat

    1.5% 1.81% 2.5%
    Ash (MAX)
    ?
    Ash (MAX)

    not an ingredient or nutrient but a method for determining the total mineral content of a food

    -- 7.0% --
    Magnesium (Mg) (MAX)
    ?
    Magnesium (Mg) (MAX)

    An essential mineral for normal body function, helps promote healthy muscles and bones

    -- 0.1% --
    L-Carnitine (MIN)
    ?
    L-Carnitine (MIN)

    -- 80 mg/kg --
    Omega-3 Fatty Acids (MIN)
    ?
    Omega-3 Fatty Acids (MIN)

    A class of nutrients that help maintain healthy skin and shiny coat

    -- 0.18% --
    Phosphorus (P) (MAX)
    ?
    Phosphorus (P) (MAX)

    Required nutrient for strong, healthy bones

    -- -- 0.8%
    Ascorbic Acid (MIN)
    ?
    Ascorbic Acid (MIN)

    A form of vitamin C that helps protect other nutrients and may help support healthy cell membranes

    -- -- 85 mg/kg
      *Not recognized as an essential nutrient by the AAFCO Cat Food Nutrient Profiles

    *Not recognized as an essential nutrient by the AAFCO Cat Food Nutrient Profiles


    All competitive product information taken from Iams websites, June 2014. IAMS is a registered trademark of the Iams Company.

    *Not recognized as an essential nutrient by the AAFCO Cat Food Nutrient Profiles


    All competitive product information taken from Science Diet packaging, June 2014. Hill's and Science Diet are trademarks of Hill's Pet Nutrition, Inc.

    Find the formula of Purina ONE that’s right for your cat.