
Cats have unique nutritional requirements and are obligate carnivores, meaning they primarily eat animal tissue. While carbohydrates are not considered essential to a cat's diet, they are a good source of energy and can provide other benefits. Cats can digest carbohydrates, but they have lower levels of enzymes to do so compared to other animals. As such, it is important to limit the number of carbohydrates in a cat's diet, with a recommended range of 10% to 15% of their calorie intake.
| Characteristics | Values |
|---|---|
| Carbohydrates essential for cats | No |
| Carbohydrates as a source of energy | Yes, but cats have evolved to use protein as their primary energy source |
| Carbohydrates as filler ingredients | Yes |
| Carbohydrates as a source of fiber | Yes |
| Carbohydrates as a source of antioxidants | Yes |
| Carbohydrates in the form of grains essential for cats | No |
| Cats' ability to digest carbohydrates | Cats can digest carbohydrates, but they have lower levels of carb-digesting enzymes compared to other mammals |
| Cats' preference for a low-carb diet | Cats are adapted to a low-carb diet and may prefer this when given the choice |
| Commercial cat food and carbohydrates | Commercial cat food typically contains high levels of carbohydrates, ranging from 20% to 50% |
| Health impact of carbohydrates in cat food | Lower-carb diets may be beneficial in managing diabetes, but they can be harmful if they are higher in fat and calories, leading to obesity |
| Carbohydrate content in the wild cat diet | Wild cats consume carbohydrates by eating the stomach contents of their prey, which is usually plant-based |
| Ideal carbohydrate content in cat food | Between 10% to 15% of the calorie content; some veterinarians recommend even lower amounts |
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What You'll Learn
- Cats are carnivores and require nutrients from animal tissue
- Cats can digest carbohydrates, but not as efficiently as other animals
- Cats need far fewer carbohydrates than other animals
- Cats can get enough carbohydrates from plant matter in their prey's stomach
- Cats require a balanced diet with the right types of carbohydrates

Cats are carnivores and require nutrients from animal tissue
Cats are strict carnivores, and their nutritional requirements are unique. They require a higher concentration of protein, taurine, arginine, niacin, vitamin A, and vitamin D. These nutrients are found in animal tissue, and while carbohydrates are not essential, they can provide some benefits.
Cats have a lower activity level of some mechanisms for digesting carbohydrates, such as a lack of salivary amylase. However, they can still digest carbs with high efficiency, up to 90-100%. In the wild, cats consume their prey in its entirety, including the stomach contents and bones, which can be a source of carbohydrates. Domesticated cats usually eat canned or dry food, so they need carbohydrates added to their diet.
While cats can get carbs from plant-based sources, they must have the right balance of vitamins, minerals, and fiber. Cats lack the liver enzyme glucokinase, which converts glucose into a form that cells can use properly. Therefore, too much glucose from carbohydrates can be dangerous. However, cats have other carb-digesting enzymes and can use carbohydrates as an energy source.
It is important to limit the number of carbohydrates in a cat's diet because they can't process them as efficiently as other animals. A low-carbohydrate diet may be recommended for managing diabetes or weight, but it is essential to ensure it is not higher in fat and calories, which can also contribute to obesity. Commercial cat foods often contain high levels of carbohydrates, and veterinarians recommend keeping them below 15% of the diet, with some suggesting even lower amounts.
Overall, while cats can digest and benefit from some carbohydrates, they primarily require nutrients from animal tissue due to their carnivorous nature. A balanced diet with appropriate carbohydrate sources, such as specific fruits and vegetables, is key to ensuring cats get the nutrients they need.
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Cats can digest carbohydrates, but not as efficiently as other animals
Cats have unique nutritional requirements and process carbohydrates differently from other animals. They have a lower activity level of some mechanisms for digesting carbohydrates, such as a lack of salivary amylase and lower levels of carb-digesting enzymes. This means that while cats can digest carbohydrates, they do so less efficiently than other species.
Cats are obligate carnivores, and their natural diet consists of small prey, including rodents and birds, which are high in protein and moderate in fat, with minimal carbohydrates. In the wild, cats consume their prey in its entirety, including the stomach contents and bones, which can be a source of carbohydrates. However, domesticated cats typically eat canned or dry food, and even those fed fresh food may not have access to the entire prey animal. As a result, carbohydrates must be added to their diet.
While carbohydrates are not considered essential nutrients for cats, they provide a readily available and highly digestible source of energy. Carbohydrates are broken down into glucose during digestion, which serves as the preferred energy source for certain body cells, tissues, and organs. However, cats have unique nutritional requirements and are adapted to a low-carb diet, using protein as their primary energy source.
Despite the common belief that "carbs are bad for cats," extensive research has failed to show that the type and quantity of carbohydrates in typical cat foods are harmful. Lower-carbohydrate diets may be recommended in certain situations, such as managing diabetes, but they can also be harmful if they are higher in fat and calories, contributing to obesity. It is important to provide a balanced diet and ensure that carbohydrates are included in appropriate quantities, with most sources recommending between 10% to 15% of the diet consisting of carbohydrates.
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Cats need far fewer carbohydrates than other animals
Cats have unique nutritional requirements and process carbohydrates differently from other animals. They have a lower level of carb-digesting enzymes, such as a lack of salivary amylase and the liver enzyme glucokinase, which other mammals possess. This means that cats have a reduced ability to convert glucose into a form that their cells can use efficiently. Therefore, while carbohydrates are not essential to a cat's diet, they should be limited to a small percentage of fruits and vegetables.
Cats are obligate carnivores, and their bodies are adapted to a low-carb diet. In the wild, cats consume small prey, including rodents and birds, which are high in protein and fat and contain minimal carbohydrates. Domesticated cats usually eat canned or dry food, but even those fed fresh prey do not consume the entire animal, including the stomach contents and bones, which can be sources of carbohydrates.
Cats have evolved to use protein as their primary energy source, and their diet should consist mainly of animal tissue. They require higher concentrations of specific nutrients, including protein, taurine, arginine, niacin, vitamin A, and vitamin D, which they cannot produce themselves. While carbohydrates are not essential nutrients for cats, they can provide critical nutrients and antioxidants when included in appropriate quantities.
The average dry food for cats contains 35-50% carbohydrates, which is significantly higher than the recommended range of 10-15% of the diet. Many veterinarians recommend even lower amounts, with some recipes formulated for as little as 5% carbohydrates. Carbohydrates in cat food are often considered “filler” ingredients, and common ingredients like corn and rice are cheap and used to bind kibble together. However, these ingredients do not provide the protein or vitamins that cats need and can lead to malnutrition and deficiencies.
Lower-carbohydrate diets may be beneficial in certain circumstances, such as managing diabetes, but they can also be harmful if they are higher in fat and calories, contributing to obesity. Research suggests that a low-carb, high-protein diet may result in increased weight gain compared to a high-carb, low-protein diet. Therefore, while cats need far fewer carbohydrates than other animals, it is essential to ensure that their diet is properly balanced and meets their unique nutritional requirements.
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Cats can get enough carbohydrates from plant matter in their prey's stomach
Cats are obligate carnivores, meaning they primarily eat animal tissue. In the wild, cats consume small prey, including rodents and birds, that are high in protein and moderate in fat, with minimal carbohydrates. However, when cats eat their prey whole, they also ingest the contents of their prey's stomach, which can include plant matter and provide a source of carbohydrates.
Cheetahs, the wild cat species most similar to domestic cats, tend to eat the stomach contents of their prey first, ensuring they get some plant matter in their diet. This plant matter is typically the food their prey consumed, which is often plant-based.
Domesticated cats, on the other hand, usually eat canned or dry food rather than fresh prey. Even when they do consume whole prey, they may not have access to the stomach contents, so any carbohydrates they require must be added to their food. While cats can get enough carbohydrates from plant matter in their prey's stomach, it is important to note that their primary source of energy is protein.
Cats have unique nutritional requirements and process carbohydrates differently from other animals. They lack the liver enzyme glucokinase, which converts glucose into a form usable by cells. Therefore, excessive glucose from carbohydrates can be dangerous for cats. However, cats possess other carb-digesting enzymes, allowing them to utilise carbohydrates as an energy source, albeit less efficiently than other species.
While some sources recommend a low-carbohydrate diet for cats, with 10% to 15% of calories from carbs, others argue that carbohydrates are essential to a cat's diet. Carbohydrates provide critical nutrients and antioxidants that cats require for healthy ageing. The key is to include the right types of carbohydrates in appropriate amounts, such as cranberries and blueberries, rather than relying on filler ingredients like corn and rice that lack sufficient protein and vitamins.
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Cats require a balanced diet with the right types of carbohydrates
Cats have unique nutritional requirements and are obligate carnivores, meaning they primarily need a diet rich in animal tissue. They require a higher concentration of protein, taurine, arginine, niacin, vitamin A, and vitamin D. Cats can get these nutrients from animal tissue, but they also need a balanced diet that includes the right types of carbohydrates.
Cats do not need grains to live healthy lives, but they can get carbs from other plant-based sources as long as they have the right balance of vitamins, minerals, and fiber. In the wild, cats consume their prey in its entirety, including the stomach contents, which can be a source of carbohydrates. Domesticated cats usually eat canned or dry food, so they need carbohydrates added to their diet.
While cats can get their energy primarily from protein, they can also use carbohydrates as an energy source. Carbohydrates are broken down into glucose during digestion, which is the preferred energy source for certain body cells, tissues, and organs. However, cats lack the liver enzyme glucokinase, which converts glucose into a form that cells can use efficiently. Therefore, too many carbohydrates in a cat's diet can be dangerous.
The right kinds of carbohydrates in species-appropriate amounts are essential for a cat's diet. Carbohydrates should make up around 10-15% of a cat's diet, with some veterinarians recommending even lower amounts. Carbohydrate sources should be carefully chosen to provide essential nutrients and antioxidants, such as cranberries and blueberries. Common pet food ingredients like corn and rice are cheap fillers that can leave cats malnourished and deficient.
While some believe that carbohydrates are harmful to cats and can increase the risk of obesity and diabetes, extensive research has failed to support these claims. Lower-carbohydrate diets may be useful in some cases, such as managing diabetes, but they can also be harmful if they are higher in fat and calories. A balanced diet with regular exercise is essential to protect against diabetes in cats.
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Frequently asked questions
Cats have unique nutritional requirements and can get all the nutrients they need from animal tissue. They don't need carbohydrates but can use them as an energy source.
Carbohydrates are broken down into glucose during digestion, which is the preferred source of energy for certain body cells, tissues, and organs. Cats have carb-digesting enzymes and can digest carbs with high efficiency, but they have lower levels of these enzymes than other animals.
Cats have lower levels of the enzymes that digest carbohydrates, so too much glucose from carbohydrates can be dangerous as their cells can't use it. However, this does not mean that carbohydrates cause diabetes, as some claim. Instead, indoor lifestyles, low physical activity levels, and obesity are risk factors for diabetes mellitus.
Cats only need around 10-15% of their diet to come from carbohydrates, and many veterinarians recommend an even lower percentage. Carbohydrates should be included in species-appropriate amounts and carefully chosen to provide your cat with a healthy dose of antioxidants.











































