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Hill's Science Diet

Hill's Science Diet. Lifelong health starts with science.

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Hill's Pet Food: Science Diet, Prescription Diet & Ideal Balance

Explore Petco's selection of Hill's Science Diet prescription pet food products for the ideal balance of taste and nutrition for your furry family member.

Frequently Asked Questions

Hill’s pet foods aren’t just your average pet food. That’s why you’ll only find them in above-average pet retail stores, like Petco, and veterinary offices. Shop online at and in Petco stores. You can also buy online and pick up your order at your neighborhood Petco, or sign up for Repeat Delivery.

Science Diet is a brand of cat and dog foods made and marketed by Hill's Pet Nutrition, Inc. (a subsidiary of the Colgate-Palmolive Company).

Dr. Mark Morris' son, Dr. Mark Morris Jr., continued to help grow Hill's Pet Nutrition over the next several decades and noticed a demand for consistent, high-quality pet food. He developed a food for healthy pets, which, in 1968, made available through veterinarians and pet professionals as Hill's® Science Diet®. In 1976, the Colgate-Palmolive Company purchased Hill's Pet Nutrition.

Pro Plan crafts 99% of their pet products in the U.S., in their own factories by their own associates. Purina sources the majority of their ingredients in the U.S. from trusted suppliers. Please learn more about Pro Plan dog and cat foods at

The Hill's Science Diet products sold at Petco stores in the USA are made in the USA with global ingredients you can trust.

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