Best Cat Food for Kidney Disease | Our Top 3

Kidney disease is fairly common to find in cats and is a completely manageable condition. While no specific cure exists for kidney issues like this, cats can still live a full and happy life with some minor modifications to their daily routines. One of the biggest shifts that cat owners will have to make is in their kitty’s diet. You will need to find the best cat food for kidney disease.

Sorting through all of the available cat food options for a specific condition can be overwhelming when you’re already distraught over your cat’s new diagnosis. That’s why we assembled this list of the best cat food for kidney disease to make your shopping a little simpler.


In this article:

  • What is kidney disease in cats?
  • Hill’s Prescription Diet k/d Feline Renal Health Dry Food
  • Royal Canin Feline Renal Support E Wet Food
  • Purina NF Kidney Function Cat Food

What is Kidney Disease in Cats?

Cat owners should really know the warning signs of what kidney disease looks like in their feline friends. When their renal glands and kidneys are affected, the body will struggle to filter impurities out of the blood and to make urine the way it should.

Cats may experience more illnesses as a result of the waste buildup flowing through their bloodstream.

Diagnosing a cat with kidney disease, particularly chronic kidney disease, means keeping an eye out for a few key symptoms. A feline with kidney issues may have any of the following symptoms:

  • Lethargy
  • Poor grooming habits compared to normal
  • Weight loss
  • Increased urine output and water intake
  • High blood pressure
  • Anemia
  • Pale pink gums

A veterinarian can run the necessary tests to determine whether your cat is suffering from kidney disease. They will be looking at the blood for blood urea nitrogen and creatinine content. A urine sample can also reveal information that would point to an official diagnosis of kidney disease in your kitty.

Best Cat Food for Kidney Disease | Fluffy Kitty

If your cat is diagnosed with kidney disease, the best thing you can do is change their diet. This gives them the best chance at normal functioning and improving their quality of life.

Kidney disease doesn’t have to be a death sentence for a well-cared-for cat. You will simply need to adjust their food to one of these options for the best cat food for kidney disease to help their bodies adjust.

Hill’s Prescription Diet k/d Feline Renal Health Dry Food

Hill’s is a leading name brand when it comes to prescription food options. Their Hill’s Prescription Diet k/d Feline Renal Health Dry Food is definitely a candidate for the best cat food for kidney disease.

This standard product comes highly recommended by veterinarians and helps to support a number of important functions related to your cat’s kidneys. For example, this dry food can help to support them by reducing the kidney’s workload with these features:

  • Reduced protein
  • Lower phosphorous
  • Reduced sodium
  • Increased omega-3 fatty acids
  • Increased B-complex vitamins

Best Cat Food for Kidney Disease | Fluffy Kitty

Click to see it on Amazon

The reviews of this particular product on Amazon are rather telling. Fifty cat owners have purchased this food with a veterinarian’s prescription and the majority gave it a five-star rating. It has a 4.3-star rating overall.

Some consumers complained that their cat didn’t like the flavor of the food, which could be specific to your feline. Others complained about the expense, but a prescription food to support a feline with major health issues is bound to be more expensive than the usual variety. This particular bag costs about $10/lb for 4lbs pounds of food.

Royal Canin Feline Renal Support E Wet Food

Royal Canin has long been accepted as one of the preferred brands for felines with various medical conditions. This company puts a lot of research into the specific ailments facing household pets before developing the perfect product. Your cat can benefit from this research with their best cat food for kidney disease, the Royal Canin Feline Renal Support E Wet.

This is the only wet food included on our ranking of the best cat food for kidney disease, so it might satiate a cat who has a distinguished palate. The formula has been refined to have a better smell that is more appealing and appetizing to lethargic felines.

Best Cat Food for Kidney Disease | Fluffy Kitty

Click to see it on Amazon

Like many of the other foods available for cats with kidney disease, it has a lower phosphorous level and provides more digestive support with vitamins and antioxidants.

All of the consumer reviews are extremely positive toward this brand and version. It currently ranks with a 4.3 out of 5-star rating with most consumers commenting on how much their cat loves the taste and smell.

For 24 cans, you pay just slightly over $50 shipped directly to your door ($2.08 per can).

Purina NF Kidney Function Cat Food

Particular cat owners who want the familiarity of a common household name brand might want to try the Purina NF Kidney Function cat food. This variety is a great contender for the best cat food for kidney disease because it drastically reduces the workload to your cat’s kidneys with:

  • Lower protein intake
  • Low sodium levels
  • Lower phosphorus
  • Added B-complex vitamins

All of the consumer reviews on Amazon are positive (4.7-star rating), even when it comes to picky eaters. Cats seem to love the taste of this prescription diet food, which makes it easier to embrace your feline’s new medical needs.

Best Cat Food for Kidney Disease | Fluffy Kitty

See it on Amazon meow

There is one major complaint that tends to surface among the reviews though. This is perhaps the most expensive offering on our ranking of the best cat food for kidney disease. However, it also comes in a much larger 16lb bag for approximately $90 (so around $5.63 per pound).

Final Thoughts: Best Cat Food for Kidney Disease

If you want the best cat food for kidney disease, a prescription diet is going to be a must-have item. The most important thing to do when choosing the right cat food is to consult with your veterinarian.

All three of these are excellent choices, but the Purina NF Kidney Function cat food provides the greatest value with a larger bag for those who can afford the upfront cost.

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