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Grains provide valuable nutrients, but pet owners may believe that grains are “fillers” or that they may be a source of food allergies.

The terms “food allergy” and “food intolerance” are often used interchangeably, but they are not the same. How do they compare, and how are they diagnosed and managed?

Gluten-free diets are increasingly popular in human nutrition and this in turn can influence pet food decisions. What exactly is gluten and why is it found in pet food?

Vitamins are important nutrients for pets and people. What are their functions, and should pets be given vitamin supplements?

Nutritional interventions tailored to the individual cat with CKD can play a key role in slowing disease progression, reducing signs of uremia, addressing homeostatic changes resulting from CKD, and improving quality of life as well as life span.

Learn about the history, uses, and benefits of amino acid-based enteral diets.

Similar to human foods, ingredients used in pet foods come from a number of sources. Many are obtained directly from animal or plant raw materials, but they can also be manufactured (or synthesized) and are referred to as ‘synthetic’ ingredients. What types of synthetic ingredients are used in pet foods and what is their role?

The developing brain has unique nutritional demands to set the foundation for lifelong brain health. Metabolic changes and risk factors associated with brain aging, age-related cognitive decline, and the resulting behavioral changes can be targeted with nutritional interventions that support healthier brain aging.​

See a list of additional key publications from the 14-Year Purina Life Span Study.

See results from the 14-Year Purina Life Span Study.

See results from the 14-Year Purina Life Span Study.

Neutered cats are predisposed to becoming overweight or obese.​