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Health Extension vs Hill's Science Diet

Health Extension is made by Health Extension Pet Care, and Hill's Science Diet by Hill's Pet Nutrition (owned by Colgate-Palmolive Company), and both make food for cats and dogs. On KibbleLab, Hill's Science Diet averages 8.6 out of 10 across its scored foods, compared with 8.0 for Health Extension. Hill's Science Diet meets WSAVA's published criteria for evaluating a manufacturer, while Health Extension does not.

Health Extension and Hill's Science Diet compared

Health Extension Hill's Science Diet
Manufacturer Health Extension Pet Care Hill's Pet Nutrition
Parent company Independent Colgate-Palmolive Company
Founded 1963 1907
Headquarters Hauppauge, New York, USA Topeka, Kansas, USA
Products listed 64 73
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.
No Yes
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.
No Yes
Score The average KibbleLab score across this brand's scored foods, on a 0 to 10 scale. Foods are scored on published veterinary science, and no one can pay for a higher score. How scoring works .
8.0 (avg of 64) 8.6 (avg of 73)
Recalls on record KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.
None None
Where to buy Amazon Amazon

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Health Extension vs Hill's Science Diet: how they compare

Scores

Hill's Science Diet scores higher on KibbleLab, averaging 8.6 out of 10 across 73 scored foods, compared with 8.0 across 64 for Health Extension. Scores apply the same criteria-based rubric to every food, drawn from published veterinary science, and no one can pay for a higher score.

Who makes them

Health Extension is made by Health Extension Pet Care, an independent maker, based in Hauppauge, New York, USA, founded in 1963. Hill's Science Diet is made by Hill's Pet Nutrition, owned by Colgate-Palmolive Company, based in Topeka, Kansas, USA, founded in 1907.

Standards and range

Hill's Science Diet meets WSAVA's published manufacturer criteria, while Health Extension does not. Hill's Science Diet is accredited by the Pet Sustainability Coalition; Health Extension is not. KibbleLab lists 64 Health Extension foods and 73 Hill's Science Diet foods.

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Common Questions

Which scores higher on KibbleLab, Health Extension or Hill's Science Diet?

Hill's Science Diet scores higher: it averages 8.6 out of 10 across 73 scored foods, compared with 8.0 for Health Extension. Scores reflect published veterinary science, and no one can pay for a higher score.

Who makes Health Extension and Hill's Science Diet?

Health Extension is made by Health Extension Pet Care. Hill's Science Diet is made by Hill's Pet Nutrition, which is owned by Colgate-Palmolive Company.

Which brand has more products on KibbleLab?

Hill's Science Diet has 73 products in the KibbleLab database, compared with 64 for Health Extension.

Where is each brand based?

Health Extension is based in Hauppauge, New York, USA. Hill's Science Diet is based in Topeka, Kansas, USA.

Do Health Extension and Hill's Science Diet meet WSAVA criteria?

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

Are Health Extension or Hill's Science Diet 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 Health Extension or Hill's Science Diet been recalled?

Neither Health Extension nor Hill's Science Diet has a recall on record in the KibbleLab database. KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.

See the full profiles: Health Extension and Hill's Science Diet .

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 and manufacturer notices, and a notice may name the parent company rather than the brand. KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.

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.