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Fiber isn’t just for humans — it’s an important part of balanced nutrition for cats, too!
But how much fiber do cats need, what kinds should they be eating and how can you make sure they’re getting the right amount for their bodies?
Cats and humans both need fiber in their diets, but that doesn’t mean cats should be eating the same amount as humans. People are growing more aware of the importance of fiber in our own diets today — and while it’s good to think about your cat’s fiber intake too, it’s important to remember that cats have different dietary needs than humans.
Cats have a much shorter digestive tract than humans, and unlike humans, cats are carnivorous, so their nutritional needs are better satisfied with mostly animal-based ingredients rather than plant matter.
Nondigestible fiber supports cat health by providing bulk that helps move food through the digestive system. This fiber is largely made up of carbohydrates that cats can’t break down in the same way they digest protein or fat. This undigested matter helps usher food through your cat’s system at a healthy pace that lets them absorb the nutrients in their food and eliminate waste comfortably. Higher levels of nondigestible fiber can even help address specific conditions like frequent hairballs.
Fiber can’t be broken down and digested like proteins and fats, but some kinds can be fermented (broken down by bacteria) in your cat’s digestive system. This breakdown produces short-chain fatty acids, which provide energy to your cat’s intestines as it is fermented.
Fiber sources used in pet foods include cellulose, which is poorly fermentable; beet pulp, which is moderately fermentable; and gums and pectin, which can be highly fermentable. Appropriate levels of moderately fermentable fiber, such as beet pulp, provide the benefits of energy for the intestinal lining and bulk without the negative effects of excessive stool or gas. That makes them ideal for the health and comfort of most cats!
While a high-fiber diet can be part of a weight-loss solution for humans, our research has found that it’s not as helpful as a weight-reduction option for cats.
High levels of poorly fermentable fiber in cat food dilute the calories and nutrients in a serving and may make your cat feel fuller. Unfortunately, high fiber content can also increase the rate at which food passes through your cat’s digestive tract, making it harder for them to digest other nutrients in their food. They may be going to the litter box more often, but that doesn’t mean their digestive system is working more efficiently.
When choosing a pet food, remember that cats and humans need different things from their food. All IAMS™ cat food products are made with the right amount of moderately fermentable fiber needed to promote intestinal health. Use the IAMS™ Cat Food Selector to find a recipe tailored to your cat’s unique needs.
Corn is found in many cat foods — but not all corn is created equal. Learn more about this ingredient, its forms and its role as a source of energy for your cat.
Corn is included in cat food formulas in various forms, such as ground corn, corn meal, corn grits, corn gluten meal and corn bran. When reviewing the ingredients list on cat food packaging, you may see one or more of the following corn ingredients:
Corn Ingredient | What It Is |
Ground corn or corn meal | Finely ground and chopped whole corn |
Corn grits | The portion of ground corn containing little or none of the bran (fiber) or germ (the small protein portion at the end of the kernel) |
Corn bran | The outer coating of the corn kernel; largely fiber |
Corn gluten meal | A dried protein source that remains after the corn’s bran has been separated and removed and a large portion of the carbohydrate and germ have been removed |
Corn is included in the formulas for all IAMS cat foods, including IAMS™ ProActive Health™ Healthy Adult and ProActive Health™ Healthy Kitten. It is more appropriate to associate the corn used in our products with “corn bread” rather than “corn on the cob.” The difference is similar to cooked corn versus raw corn. We use only the highest-quality corn in our products. The corn is finely ground to a meal, which breaks up the outside covering of each kernel, and then it is cooked, which increases its digestibility.
Corn grits and corn meal are used in our foods as high-quality sources of carbohydrates, which are an important source of energy. Corn generally also results in lower glycemic and insulin response than rice. This can be especially beneficial for senior and overweight cats.
