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When a dog is diagnosed with kidney issues, their diet becomes a critical component of managing the condition and supporting overall health. Functional foods—those with added health benefits beyond basic nutrition—can make a meaningful difference. From supporting urinary health to easing inflammation, the right ingredients can help your pup feel their best. Here are six functional foods that are particularly helpful for dogs with kidney problems.

Pumpkin

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Pumpkin is rich in fiber and contains essential vitamins and minerals that can aid digestion and support kidney function. It’s particularly beneficial for dogs who struggle with constipation or irregular bowel movements, which are sometimes associated with kidney disease. The natural moisture content of pumpkin also contributes to hydration—an important factor when supporting kidney health. Pure canned pumpkin (without added sugars or spices) is easy to incorporate into your dog’s meals and can be served alone or mixed with their regular food.

Omega-3 Fatty Acids from Fish

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Omega-3 fatty acids, especially EPA and DHA found in fish like salmon and sardines, are known for their anti-inflammatory properties. These healthy fats can reduce inflammation in the kidneys, potentially slowing the progression of kidney disease. Omega-3s also support heart and joint health, offering a well-rounded benefit for aging dogs who may be dealing with multiple conditions. Adding cooked, boneless fish or a high-quality fish oil supplement to your dog’s diet is a simple way to boost their intake of these essential fatty acids.

Cranberries

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Cranberries are best known for their role in supporting urinary tract health, which makes them particularly beneficial for dogs with kidney issues. They help prevent the adhesion of harmful bacteria to the bladder wall, reducing the risk of urinary tract infections that can worsen kidney problems. Some specialized supplements include cranberries as a key ingredient, like the Extra Strength Urinary, Bladder, and Kidney Support for Dogs (on Amazon). These chews combine the power of cranberries with other supportive ingredients to promote kidney and bladder health.

Bone Broth

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Bone broth is a nutrient-dense liquid that provides hydration and essential minerals without taxing the kidneys. It contains amino acids like glycine and proline that help repair tissues and reduce inflammation. Bone broth is also enticing for picky eaters, making it an excellent choice for dogs whose appetites have decreased due to kidney disease. Just make sure to choose low-sodium versions with no added onions or garlic, which can be toxic to dogs. Bone broth can be poured over kibble or served on its own as a nourishing treat.

Blueberries

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Blueberries are rich in antioxidants, which protect cells from oxidative stress and may help reduce the damage associated with chronic kidney disease. They also contain fiber, vitamin C, and vitamin K—all beneficial to a dog’s immune and vascular systems. Fresh or frozen blueberries can be given as a treat, added to food, or blended into smoothies designed for dogs. Their natural sweetness makes them a popular choice for pups while still being low in phosphorus and sodium, which is important for kidney support.

Low-Phosphorus Proteins

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For dogs with kidney disease, managing phosphorus intake is key. High-phosphorus foods can put extra strain on the kidneys, so incorporating low-phosphorus proteins such as eggs or certain lean meats (like chicken or turkey) can help. Egg whites, in particular, are an excellent source of high-quality protein with minimal phosphorus. You can gently cook egg whites and mix them with your dog’s regular food to boost protein without overloading the kidneys. Always consult with your vet to find the right protein balance for your dog’s specific condition.

Give Your Dog the Kidney Support They Deserve

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Supporting your dog’s kidney health doesn’t have to be complicated. By adding a few functional foods to their daily routine—and using targeted supplements like the Extra Strength Urinary, Bladder, and Kidney Support for Dogs (on Amazon)—you can help manage their symptoms and improve their quality of life. As always, work with your veterinarian to tailor your dog’s diet to their individual health needs. Disclosure: As an Amazon Associate, iHeartDogs earns from qualifying purchases.

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