Science Diet

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Hill's Science Diet
IndustryPet food
FoundedTopeka, Kansas (1960s)
HeadquartersTopeka, Kansas, United States
Area served
ProductsDog food, Cat food

Science Diet is a brand of cat and dog foods marketed by Hill's Pet Nutrition, Inc.[1] (a subsidiary of the Colgate-Palmolive Company). In the United Kingdom, Science Diet is known as Science Plan.


Science Diet was developed in the 1960s by Mark L. Morris, Jr. PhD DVM (February 3, 1934 – January 14, 2007). Dr. Morris Jr. was the son of famed veterinarian Dr. Mark Morris Sr. DVM, who pioneered the field of veterinary clinical nutrition when asked to create a specialized diet for the original seeing-eye dog, Buddy, a female German Shepherd with kidney disease. That success led Dr. Morris Sr. and his son to create additional condition-specific and life-stage pet food formulas under the Prescription Diet and Science Diet brand names.[2]

The Hill's Science Diet and Hill's Prescription Diet brands steadily gained market share, peaking in 2008 at 10.7% of dog food sales, but by 2011 this had dropped to 9.4% with shifts in consumer preferences toward pet foods marketed as "natural" and consumer perceptions of Science Diet as being "artificial".[3]


Science Diet has had multiple product recalls.[4]

  • March 16, 2007 [5] & March 27, 2017 [6] — FDA Recall on Science Diet Savory Cuts canned cat food due to "melamine contamination" (chemical used in plastics manufacture)
  • April 1, 2007 — Manufactured Recall on Prescription Diet m/d Feline dry cat food due to "melamine contamination" (chemical used in plastics manufacture)[7]
  • June 2, 2014 — FDA Recall for Science Diet Adult Small & Toy Breed dry dog food products for potential "salmonella contamination" regarding 62 bags in total. This was limited to the following states: California, Hawaii and Nevada. [8] [9]
  • November 28, 2015 — Manufactured Recall due to "Labeling problems" on Adult Perfect Weight Chicken and Vegetables, Small & Toy Adult Gourmet Beef Entrée, Small & Toy Mature Gourmet Beef Entrée, Adult Beef Entrée, Adult Beef & Chicken Entrée, and Mature Adult Gourmet Beef Entree.[8]
  • January 31, 2019 — Manufactured Recall on Hill's Prescription dog food as well as wet Science Diet for "Elevated levels of Vitamin D" [10]


  1. ^ "Hill's Pet Nutrition".
  2. ^ "Mark Morris Sr". Mark Morris Institute. Retrieved December 5, 2010.
  3. ^ Ng, Serena (2013-02-06). "Pet-Food Brand's Image Bites Back Colgate: Sales Decline for Science Diet Line as Dog and Cat Owners Increasingly Value Marketing Pitches Like 'Natural' and 'Wild'". The Wall Street Journal. Retrieved 2013-02-07.
  4. ^ Barrington, Kate. "Science Diet Dog Food : 2019 Review, Recalls & Coupons". Dog Food Guide.
  5. ^ "Hill's Pet Nutrition, Inc., Announces Voluntary Participation in Menu Foods' Nationwide U.S. and Canadian recall ofSpecific Canned Cat Foods" (PDF). March 16, 2007. Retrieved 2019-08-18.
  6. ^ "Hill's Pet Nutrition, Inc., Announces Voluntary Participation in Menu Foods' Nationwide U.S. recall of Specific Canned Cat Foods". January 30, 2009. Archived from the original on January 30, 2009.
  7. ^ "Hill's Pet Nutrition, Inc". July 24, 2008. Archived from the original on July 24, 2008.
  8. ^ a b "Hill's Science Diet Recall History". Petful.
  9. ^ "Hill's Pet Nutrition, Inc. Voluntarily Recalls 62 Bags of "ScienceDiet® Adult Small & Toy Breed™" Dry Dog Food in California,Hawaii and Nevada Because of Potential Health Risk" (PDF). June 2, 2014. Retrieved 2019-08-18.
  10. ^ "Dog Food Recalls 2018-2019: Is Your Brand on This List?". Petful. August 6, 2019.

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