Background: ownership, sourcing and positioning
Hill's Science Diet and Purina Pro Plan both sit inside multinational consumer goods groups, but the two brands draw on very different corporate heritages. Hill's Science Diet built its Australian presence by cultivating veterinary clinic relationships rather than retail shelves. Purina Pro Plan launched LiveClear in 2020, the first cat food using an egg-derived anti-Fel d 1 protein to reduce environmental cat allergens. The two brands differ in several ways beyond the one point highlighted here.
Hill's Science Diet is made in the United States. It employs more than 150 in-house veterinarians and PhD nutritionists, and runs a veterinary-only clinical portal at myhillsvet.com.au.
Purina Pro Plan is produced at the Blayney NSW factory that has made Pro Plan since 1989, after absorbing roughly AUD$200 million in Nestlé investment over the past decade and now running on 100 percent renewable electricity.
Compare individual products
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No Hill's Science Diet products are eligible for side-by-side comparison. Specialty formulations, and labels that do not publish the figures needed for a like-for-like comparison, are excluded.
Data reflects manufacturer-published information at the time of collection; formulations change, so always verify against the label on the product you intend to buy.
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