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Health Extension vs Hill's Prescription Diet

Health Extension is made by Health Extension Pet Care, and Hill's Prescription Diet by Hill's Pet Nutrition (owned by Colgate-Palmolive Company). On KibbleLab, Hill's Prescription Diet averages 8.8 out of 10 across its scored foods, compared with 8.0 for Health Extension. Hill's Prescription Diet meets WSAVA's published criteria for evaluating a manufacturer, while Health Extension does not.

Health Extension and Hill's Prescription Diet compared

Health Extension Hill's Prescription 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 43
Serves Cats & dogs 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) 8.8 (avg of 43)
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 Prescription Diet: how they compare

Scores

Hill's Prescription Diet scores higher on KibbleLab, averaging 8.8 out of 10 across 43 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 Prescription 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 Prescription Diet meets WSAVA's published manufacturer criteria, while Health Extension does not. Hill's Prescription Diet is accredited by the Pet Sustainability Coalition; Health Extension is not. KibbleLab lists 64 Health Extension foods and 43 Hill's Prescription Diet foods.

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Common Questions

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

Hill's Prescription Diet scores higher: it averages 8.8 out of 10 across 43 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 Prescription Diet?

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

Which brand has more products on KibbleLab?

Health Extension has 64 products in the KibbleLab database, compared with 43 for Hill's Prescription Diet.

Where is each brand based?

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

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

Hill's Prescription 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 Prescription Diet PSC Accredited?

Hill's Prescription 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 Prescription Diet been recalled?

Neither Health Extension nor Hill's Prescription 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 Prescription 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.