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5 Best Vegetables to Supplement Your Cat's Diet

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Are you concerned that your cat may not be getting enough nutrients in her diet? If you have a finicky eater (or a cat who’s struggling with weight gain), you may want to supplement your cat’s diet with veggies.

Please note that cats should never eat 100% vegetarian diets. Because your cat is an obligate carnivore, she needs, “to get her nutritional needs met by the consumption of a large amount of animal-based proteins (meat/organs) and derives much less nutritional support from plant-based proteins (grains/vegetables),” explains veterinarian Lisa Pierson. 

The bulk of your cat’s diet should be meat, fish, or other animal proteins. According to the ASPCA, “All cats require taurine, an amino acid that is important for normal heart function, vision and reproduction. Since taurine is found only in animal-based protein, all cats need meat-based diets to meet their nutritional requirements.” 

Vegetables and grains should be a much smaller percentage of her food. They can add much-needed fibre, minerals, and vitamins. Plus, they can help your cat maintain a healthy weight.

Here are the 5 best vegetables to feed your cat.


This low-calorie vegetable contains antioxidants, fiber, and vitamins. Peas are also an excellent source of minerals, including zinc, calcium, copper, iron, and manganese. It's recommended that you cook peas before feeding them to your cat.

Winter Squash

This hearty vegetable is packed with antioxidants, vitamins, minerals, and omega-3 fatty acids. But its most beneficial feature is a bacteria that can aid in relieving constipation or bowel issues. Cook the squash, and add a teaspoon or two to your cat's regular food.

Cooked Carrots

Carrots contain several vitamins, including Vitamin A (from beta-carotene), vitamin B6, and Vitamin K. Chop the carrots into small pieces, and cook them before serving to your cat.


Containing valuable vitamins and minerals, this legume is found in many commercial cat foods. With few calories and lots of fibre, it's an excellent snack for a cat who's watching his weight!

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Green Beans

Not just for Jack and the beanstalk, these nutritious vegetables are high in fiber, vitamins, and minerals. Studies show that green beans can reduce the risk of heart disease, strengthen immunity, and prevent colon cancer in humans. They may have similar benefits for your cat.

How to Include Veggies In Your Cat's Diet

For best results, serve vegetables in small amounts--either combined with your cat's regular food or alone. Always chop vegetables into small pieces, and cook thoroughly before serving. As a supplement, vegetables can help your cat stay healthy, fit, and strong.

Disclaimer: Our content should not be considered as, or used as a substitute for, veterinary medical advice, diagnosis or treatment. The information provided on the website is for educational purposes only and is not meant as a substitute for professional advice from a veterinarian or other professional. If you suspect that your pet has a medical problem, please contact a qualified veterinarian immediately.

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