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Hill's Prescription Diet vs Royal Canin

Hill's Prescription Diet is made by Hill's Pet Nutrition (owned by Colgate-Palmolive Company), and Royal Canin by Royal Canin (owned by Mars, Incorporated). On KibbleLab, Hill's Prescription Diet averages 8.8 out of 10 across its scored foods, compared with 8.4 for Royal Canin. Hill's Prescription Diet is accredited by the Pet Sustainability Coalition; Royal Canin is not.

Hill's Prescription Diet and Royal Canin compared

Hill's Prescription Diet Royal Canin
Manufacturer Hill's Pet Nutrition Royal Canin
Parent company Colgate-Palmolive Company Mars, Incorporated
Founded 1907 1968
Headquarters Topeka, Kansas, USA Aimargues, Gard, France
Products listed 43 269
Serves 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 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.
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, and no one can pay for a higher score. How scoring works .
8.8 (avg of 43) 8.4 (avg of 269)
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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Hill's Prescription Diet vs Royal Canin: how they compare

Scores

Hill's Prescription Diet scores higher on KibbleLab, averaging 8.8 out of 10 across 43 scored foods, compared with 8.4 across 269 for Royal Canin. 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

Hill's Prescription Diet is made by Hill's Pet Nutrition, owned by Colgate-Palmolive Company, based in Topeka, Kansas, USA, founded in 1907. Royal Canin is made by Royal Canin, owned by Mars, Incorporated, based in Aimargues, Gard, France, founded in 1968.

Standards and range

Both meet WSAVA's published manufacturer criteria. Hill's Prescription Diet is accredited by the Pet Sustainability Coalition; Royal Canin is not. KibbleLab lists 43 Hill's Prescription Diet foods and 269 Royal Canin foods.

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Common Questions

Which scores higher on KibbleLab, Hill's Prescription Diet or Royal Canin?

Hill's Prescription Diet scores higher: it averages 8.8 out of 10 across 43 scored foods, compared with 8.4 for Royal Canin. Scores reflect published veterinary science, and no one can pay for a higher score.

Who makes Hill's Prescription Diet and Royal Canin?

Hill's Prescription Diet is made by Hill's Pet Nutrition, which is owned by Colgate-Palmolive Company. Royal Canin is made by Royal Canin, which is owned by Mars, Incorporated.

Which brand has more products on KibbleLab?

Royal Canin has 269 products in the KibbleLab database, compared with 43 for Hill's Prescription Diet.

Where is each brand based?

Hill's Prescription Diet is based in Topeka, Kansas, USA. Royal Canin is based in Aimargues, Gard, France.

Do Hill's Prescription Diet and Royal Canin meet WSAVA criteria?

Both Hill's Prescription Diet and Royal Canin meet WSAVA's published criteria for evaluating a manufacturer. WSAVA publishes criteria; it does not certify or endorse brands.

Are Hill's Prescription Diet or Royal Canin 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 Hill's Prescription Diet or Royal Canin been recalled?

Neither Hill's Prescription Diet nor Royal Canin 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: Hill's Prescription Diet and Royal Canin .

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.