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Is Apple toxic to cats?

YES (TOXIC)
Unfortunately, Apple is toxic and potentially harmful to cats. We recommend you keep your feline friends away from this plant. See the table below for more information.
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Additional Names:Includes crabapples
Scientific Name:Malus sylvestrus
Family:Rosaceae
Toxic Principles:Cyanogenic glycosides
Clinical Signs:Stems, leaves, seeds contain cyanide, particularly toxic in the process of wilting: brick red mucous membranes, dilated pupils, difficulty breathing, panting, shock.
If you think your cat may have ingested a poisonous substance, call 888 426 4435 or your local vet
Detailed Write-up
Author:
Alec
Last Updated:
7/13/25

Is Apple Toxic to Cats?

Cats are one of the most popular pets in the world, and as pet owners, it is important to ensure that they stay healthy. This often involves paying careful attention to the food and drink that they consume. While cats are obligate carnivores and require a diet rich in protein, they may also occasionally ingest certain fruits and vegetables. One fruit that is commonly consumed by humans is the apple, but is it safe for cats to eat?

Apple Nutrition

The apple is a fruit that is rich in vitamins and minerals. It contains vitamin C, a powerful antioxidant that helps to protect cells from damage caused by free radicals. It is also a source of dietary fiber, which is essential for good digestive health. Along with these, apples also contain smaller amounts of potassium, vitamin K, and vitamin B6.

Can Cats Eat Apples?

The good news is that apples are not toxic to cats. This means that if your cat happens to eat a small amount of apple or snack on a piece of apple that you have dropped on the floor, they are unlikely to suffer any adverse effects.

Cats are able to digest plant matter, although they do not require the same nutrients as omnivores or herbivores. The majority of a cat’s diet should consist of protein from animal sources, such as meat. However, in limited amounts, cats can receive some added health benefits from consuming fruits, including apples.

Benefits of Apples for Cats

While cats do not necessarily need to consume fruits and vegetables, there are some potential benefits to be had from the nutrients found in apples.

  • Antioxidants - Apples contain health-promoting antioxidants such as vitamin C and polyphenols that can help to reduce inflammation and promote good health.
  • Digestive health - The fiber in apples can help to promote healthy digestion in cats by aiding in bowel movements and preventing constipation.
  • Good for teeth - Apples can help to clean a cat’s teeth as they are chewed, which can aid in preventing dental issues such as tartar buildup and gum disease.

Potential Risks of Apples for Cats

While apples are not typically dangerous for cats, it is important to recognize that they are not necessary in a cat’s diet. Additionally, there are a few potential risks to be aware of if your cat consumes apples in large amounts:

  • Gastrointestinal upset - If cats eat large amounts of apple, they may experience stomach upset, vomiting, or diarrhea.
  • Sugar content - Like many fruits, apples are high in natural sugars. If cats eat large amounts of apple regularly, it can lead to weight gain and other health issues such as diabetes.
  • Seeds and stems - Apple seeds contain cyanide, which can be toxic to both cats and humans if ingested in large amounts. Additionally, the stems and leaves of the apple plant contain cyanide, which can also be dangerous if consumed.

Other Fruits and Vegetables for Cats

While apples are one fruit that cats can safely consume, it is worth noting that there are other fruits and vegetables that can also be incorporated into a cat’s diet. Here are a few of the fruits and vegetables that are considered safe for cats to eat in moderation:

  • Blueberries - Rich in antioxidants, blueberries can provide cats with a range of health benefits, including potential eye health benefits.
  • Carrots - Low in calories and high in fiber, carrots can aid in digestive health in cats and provide a healthy snack.
  • Green beans - Low in calories and high in nutrients, green beans can make a good, low-fat snack for cats.
  • Pumpkin - Pumpkin is often used to help cats with digestive issues such as diarrhea and constipation. It is also high in vitamins and minerals.

Cat Nutrition

While cats may occasionally consume fruits and vegetables, it is important to remember that the majority of their diet should come from animal-based sources of protein. Cats are obligate carnivores, which means that they require nutrients such as taurine and arachidonic acid that are primarily found in animal products. Feeding an all-plant-based diet to cats can result in serious health issues, including malnutrition and deficiencies of essential nutrients.

Conclusion

Given that apples are non-toxic to cats, it is fine for your feline friend to occasionally snack on a small piece of apple. However, it is important to remember that cats do not require fruits and vegetables in their diet and should primarily consume animal-based proteins. Additionally, always be sure to remove the stem and seeds of the apple before offering it to your cat and start with small amounts to avoid stomach upset.

If you are ever concerned about your cat’s diet and whether it is suitable for your specific cat's needs, it is always recommended to consult with your veterinarian before making any significant changes to their diet.

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