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Hill's Science Diet vs Supreme Source

Hill's Science Diet is made by Hill's Pet Nutrition (owned by Colgate-Palmolive Company), and Supreme Source is made by American Pet Nutrition (owned by Alphia (C.J. Foods)), and both make food for cats and dogs. On KibbleLab, Hill's Science Diet averages 9.6 out of 10 across its scored foods, compared with 8.6 for Supreme Source. Hill's Science Diet meets WSAVA's published criteria for evaluating a manufacturer, while Supreme Source does not.

Hill's Science Diet and Supreme Source compared

Hill's Science Diet Supreme Source
Manufacturer Hill's Pet Nutrition American Pet Nutrition
Parent company Colgate-Palmolive Company Alphia (C.J. Foods)
Founded 1907 1972
Headquarters Topeka, Kansas, USA Ogden, Utah, USA
Manufacturing Whether a brand makes its own food in-house or has it produced by an outside contract manufacturer or co-packer.
In-house In-house
Made in United States United States
Manufacturing region Kansas Utah
Products listed 74 14
Serves Cats & dogs Cats & dogs
Price tier A relative price guide, from $ (most affordable) to $$$$$ (most premium), based on the brand's typical retail cost.
$$$$ $$$$
WSAVA guidelines The World Small Animal Veterinary Association (WSAVA) publishes criteria for evaluating a manufacturer: qualified nutritionists on staff, feeding trials, and published research. It does not certify or endorse brands.
Yes No
PSC accredited The Pet Sustainability Coalition is a nonprofit that accredits pet companies on their environmental and social impact, through third-party verification. It reflects sustainability practices, not food quality.
Yes No
Score The average KibbleLab score across this brand's scored foods, on a 0 to 10 scale. Foods are scored on published veterinary science. How scoring works .
9.6 (avg of 74) 8.6 (avg of 14)
Recalls on record We track the FDA's animal food recall listings back to January 2019 and publish every pet food recall automatically. A filing that isn't pet food may not appear here.
2 None
Where to buy
Amazon
Amazon

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Hill's Science Diet vs Supreme Source: how they compare

Scores

Hill's Science Diet scores higher on KibbleLab, averaging 9.6 out of 10 across 74 scored foods, compared with 8.6 across 14 for Supreme Source. Scores apply the same criteria-based rubric to every food, drawn from published veterinary science.

Who makes them

Hill's Science Diet is made by Hill's Pet Nutrition, owned by Colgate-Palmolive Company, based in Topeka, Kansas, USA, founded in 1907. Supreme Source is made by American Pet Nutrition, owned by Alphia (C.J. Foods), based in Ogden, Utah, USA, founded in 1972.

Standards and range

Hill's Science Diet meets WSAVA's published manufacturer criteria, while Supreme Source does not. Hill's Science Diet is accredited by the Pet Sustainability Coalition; Supreme Source is not. KibbleLab lists 74 Hill's Science Diet foods and 14 Supreme Source foods.

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Common Questions

Which scores higher on KibbleLab, Hill's Science Diet or Supreme Source?

Hill's Science Diet scores higher: it averages 9.6 out of 10 across 74 scored foods, compared with 8.6 for Supreme Source. Scores reflect published veterinary science.

Who makes Hill's Science Diet and Supreme Source?

Hill's Science Diet is made by Hill's Pet Nutrition, which is owned by Colgate-Palmolive Company. Supreme Source is made by American Pet Nutrition, which is owned by Alphia (C.J. Foods).

Which brand has more products on KibbleLab?

Hill's Science Diet has 74 products in the KibbleLab database, compared with 14 for Supreme Source.

Where is each brand based?

Hill's Science Diet is based in Topeka, Kansas, USA. Supreme Source is based in Ogden, Utah, USA.

Do Hill's Science Diet and Supreme Source meet WSAVA criteria?

Hill's Science Diet meets WSAVA's published criteria for evaluating a manufacturer; Supreme Source does not, based on public information. WSAVA publishes criteria; it does not certify or endorse brands.

Are Hill's Science Diet or Supreme Source PSC Accredited?

Hill's Science Diet is a PSC Accredited business. The Pet Sustainability Coalition is a nonprofit that Accredits pet companies on their environmental and social impact, through third-party verification.

Have Hill's Science Diet or Supreme Source been recalled?

Hill's Science Diet has 2 recalls on record in the KibbleLab database; Supreme Source has no recalls. We track the FDA's animal food recall listings back to January 2019 and publish every pet food recall automatically. A filing that isn't pet food may not appear here.

See the full profiles: Hill's Science Diet and Supreme Source .

More comparisons

KibbleLab provides informational content only. This is not veterinary advice. Always consult a qualified veterinarian before changing your pet's diet.

This is a neutral, factual comparison, not a ranking or an endorsement of either brand. KibbleLab may earn affiliate commissions through links. No one can pay for placement or a higher score.

Brand and manufacturer details are compiled from public sources and not independently verified; they may not reflect contract manufacturing or co-packing. Recall data is compiled from public FDA filings, and a filing may name the parent company rather than the brand. We track the FDA's animal food recall listings back to January 2019 and publish every pet food recall automatically. A filing that isn't pet food may not appear here.

KibbleLab scores and commentary are editorial opinions based on published data. Represent one of these brands? Request a correction. Anyone else can email us. See our Terms.