Low Protein Cat Food: Ultimate Guide For A Specialised Kitty Diet

A large part of keeping your cat happy and healthy is good nutrition. This means feeding them the right stuff. Cat food should contain everything your cat needs as well as additional nutrients like antioxidants and fish oils.

Cats that suffer from an illness or disease often need specialty food to help them stay healthy. Sometimes, the best way to manage an illness is with some extra fiber, higher calories, or low protein.

Vets usually prescribe low protein food for cats that suffer from liver or kidney diseases. This special food can not only help assist in treating these diseases but also provide nutritional support and additional benefits.

Helping your cat deal with their diseases like constipation can seem overwhelming, but with the right nutrients, they can still live a long and happy life.

Here are some of the best low protein cat food options available.

black cat with green eyes up close in herb garden

What is Low Protein Cat Food?

Cats, like other carnivores, need protein to stay healthy. But in some cases, the amount of protein in normal cat food is too high for your kitty. If your cat has liver or kidney problems, excess protein can put additional strain on their organs.

Luckily, a low protein cat food can help ease this. And even though this cat food contains less protein, it still contains all the nutrients your kitty needs to stay healthy.

Most low protein cat foods are really tasty in order to stimulate the appetites of cats with illnesses. And they come in both dry and wet food, catering to even the pickiest kitty.

cat with multiple fish on plate

Picking a Low Protein Cat Food

There are a few things besides restricted protein that you need to look out for when buying low protein cat food.

  • It’s important that the proteins are of high quality, this will make sure your cat is able to digest and metabolise the food easily.
  • Your cat food should also contain low levels of phosphorus, this can help delay the progression of chronic kidney disease.
  • Additionally, a good low protein cat food should contain vitamins and minerals as well as antioxidants and fatty acids.

These will all give your cat the support they need to stay happy and healthy.

⇒ For everything you need to know about taking care of your finicky feline check out my guide to How to Groom a Cat, the Best Cat Brush, Caring for Cats guide and my quick cat check up guide.

cat up close about to eat a tin of cat food

Best Low Protein Cat Foods

Low protein cat foods are widely available online, but for some, you will need a veterinary prescription.

Here’s a list of the best low protein cat foods on the market.

Hills Prescription Diet Kidney Care

Not only does this food contain low protein and phosphorus, but it also includes fish oil, which can have numerous benefits for your cat. It’s also full of antioxidants and your cats shouldn’t need any persuading to eat this food, it’s delicious.

This food is specifically formulated to help cats with kidney disease and comes in both wet and dry options. It protects the kidneys, provides nutrients and will give your kitty a nice little energy boost.

Hills Prescription Diet Kidney Care low protein cat food pack

The best part, the nutrition of the Hills k/d is clinically tested to improve and lengthen the quality of life.

You will need a veterinary prescription for this food but your kitty will thank you for it.

⇒ Shop USA Hills Prescription Diet Kidney Care Wet Food / Dry Food

⇒ Shop UK Hills Prescription Diet Kidney Care Wet Food / Dry Food

⇒ Don’t miss my guide to buying Cat Walking products, the 7 Best Escape Proof Cat Harness options and the Best Carrier for Cats.

Purina Pro Plan Veterinary Diets NF Kidney Function Early Care / Advanced Care

Whether you’re taking care of a newly diagnosed cat or one who has been battling kidney disease for a while, Purina has a low protein food for you. This great-tasting food will stimulate their appetite while also satisfying their needs.

It was made in collaboration with nutritionists, vets and researchers to make sure your cat is getting all the nutrients they need. It has a high protein-to-calorie ratio that is both low in fat and contains omega-3 fatty acids as well as plenty of natural fibre. And it can also help with weight loss or maintenance.

When buying this food, the supplier may ask for a veterinary prescription, so it’s safest to check with your vet first.

⇒ Shop USA Purina Advanced Care Dry Food / Wet Food

⇒ Shop USA Purina Early Care Dry/ WetFood

⇒ For all things fun with your kitty check out my guides to clothing for cats, the best toys for cats, great gifts for cats and my annual cat planner for kitty photo opportunities across the year.

Purina Pro Plan Renal Function low protein cat food pack

Purina Pro Plan Veterinary Diets NF Renal Function

The UK equivalent of the Purina Kidney Function is named Renal Function and has similar benefits.

The food also has low levels of high-quality protein and a low level of phosphorus which will help slow down the progression of kidney disease. This will help slow the flood of toxins while helping to strengthen your cat’s muscles.

Most suppliers will ask you for veterinary approval when buying this food

⇒ Shop UK Purina Kidney Function Dry Food/ Wet Food

⇒ Check out my guides to the best treats for cats, high-calorie cat food, high fiber cat food, low protein cat food, best food for cats with ibd, best cat foods for older cats that vomit, best food for constipated cats, best kitten dry food and a complete cat feeding guide wet and dry food.

Royal Canin Renal Support

The Royal Canin Renal Support cat food range varies quite greatly. Their range comes with different letters on the pack. Each letter offers uniquely shaped food and aims to stimulate your cat’s appetite and encourage eating.

The energy-dense formula will ensure that even if your cat only eats a little, they’ll still receive all the benefits.

royal canin renal with chicken low protein cat food pack

This food has low-protein levels as well as antioxidants, fatty acids and low phosphorus levels. You can use it in combination with a variety of their other appetite-stimulating wet and dry cat foods.

When purchasing this food, the supplier may ask you for veterinary authorisation because it is a specialty food.

⇒ Shop UK Royal Canin Renal Support Dry / Wet Food

⇒ Shop USA Royal Canin Renal Support Dry / Wet Food

⇒ Check out my guides to the Best Cat Products and the Best Cat Litter

HI-TOR Veterinary Select Neo Diet Canned Cat Food

If you’re looking for a budget-friendly, low-protein wet food for your feline friend, it doesn’t get much better than this. Not only does it have restricted protein but it also has reduced phosphorus and sodium.

HI-TOR Veterinary Select Neo Diet Canned Cat Food

Unfortunately, it’s not as low in protein as some of the other more expensive options on this list but it’s still a better option for renal conditions than standard cat food. The well-balanced food can also be fed to cats without dietary issues since it contains everything your cat needs.

⇒ Shop USA HI-TOR Veterinary Select Neo Diet Canned Cat Food

⇒ About to become a fur parent? Check out my Complete Guide to How to Look After a Kitten.

Blue Buffalo Natural Veterinary Diet Kidney + Mobility Support

Blue Buffalo’s Kidney + Mobility Support food has controlled protein and mineral levels. This grain-free food also has low levels of phosphorus and sodium.

It’s made from high-quality protein and plenty of other great things that will not only help with your cat’s mobility but will also keep their joints healthy. It includes both omega-3 and omega-6 fatty acids as well as selected vitamins and minerals to help boost immunity.

Blue Buffalo Natural Veterinary Diet Kidney + Mobility Support l

It comes in both wet and dry food, and you’ll need a veterinary prescription to purchase this food.

⇒ Shop USA Blue Buffalo Natural Veterinary Diet Kidney + Mobility Support Dry Food/ Wet Food

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Eukanuba Cat Veterinary Diet Renal Formula

This specially-designed food is ideal for cats with kidney problems. It’s low in phosphorus and contains balanced protein levels to reduce pressure on the kidneys. It has also got omega-3 and omega-6 fatty acids which can aid filtration and lower hypertension and inflammation.

Eukanuba Cat Veterinary Diet Renal Formula low protein cat food

This food will also aid digestion through fibre and prebiotics, reducing additional strain on your cat’s kidneys. Plus your cats will gobble this food up in no time.

⇒ Shop UK Eukanuba Cat Veterinary Diet Renal Formula

Specific (VetXX) FKD & FKW Kidney Support Cat Food

This food provides an ideal diet for cats no matter what stage of renal failure they’re in. It provides the necessary support for all vital organs and slows down any further kidney decline in your cat.

It has low levels of phosphorus and a high level of fish oil, helping to keep your cat’s blood pressure down.

Specific (VetXX) FKD & FKW Kidney Support Cat Food pack

The low levels of protein and minerals decrease the workload of the kidneys. It supports a healthy heart with L-carnitine and Taurine. This food also has increased vitamins and lower salt levels.

It comes in both dry and wet food, which will help maintain your cat’s weight while preventing any appetite loss.

⇒ Shop UK Specific (VetXX) FKD & FKW Kidney Support Cat Food

Final Thoughts on Low Protein Cat Food

Putting your kitty on a special diet can seem tricky, but there are plenty of delicious and appetising foods available for your feline friend. When caring for your cat, making sure they get the right nutrients is vital to their quality of life.

black cat in soft grey hammock on cat tree

Not only do they need low protein, but you also need to ensure that they’re getting any vitamins, minerals and fatty acids they might need. Specialist cat foods normally cost a little more than supermarket brands, but the support they give your cat is definitely worth the extra money.

Please Note: This post contains affiliate links. That means if you click through on most of the links and end up making a purchase I will receive a small commission. This will not effect the price that you pay. I wanted to make sure that you were aware of this.

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