Low Phosphorus Cat Food

As humans, we are always in the look for food that contains enough nutrients and vitamins to keep us healthy. Often, we opt for food that have all the nutrients that our body needs for it to function actively in our day to day activities. However, nutritious food is not just enough. We also take into consideration the taste and flavor of the vitamins-loaded food that we consume.

There are instances that our cats suffer from various illness because the food that we give them contains too much of a certain nutrient. One of those is phosphorus that, if given at high levels, can be difficult to regulate. This is the reason as to why cats should be offered low phosphorus cat food.

Nowadays, making sure that your cat is healthy is one of the things you need to have on your checklist. Because of various factors that affect your cat’s kidney function, it is necessary to include low phosphate cat food in their diet. There are various cat foods that don’t have high phosphorus levels.

Low Phosphorus Cat Food Comparison Table

NameMain IngredientsProteinFatFiberPricing
Fussie Cat Premium Chicken with Vegetables in Gravy Cat FoodBoneless Chicken, Water Sufficient for Processing, Carrot, Potato, Tapioca Starch11%1.5%2.5%Click Here
Royal Canin Renal Support Canned Cat FoodWater Sufficient for Processing, Chicken By-Products, Chicken Liver, Pork Liver, Wheat Flour6.5%9.5%6.5%Click Here
Hill’s Prescription Diet K/D Feline Urinary Tract MulticareChicken, Whole Grain Corn, Corn Gluten Meal, Whole Grain Wheat, Brewers Rice30%13%1.6%Click Here
Wellness CORE Natural Grain Free Dry Cat FoodDeboned Turkey, Deboned Chicken, Turkey Meal, Chicken Meal, Peas45%18%3%Click Here
Purina ONE Urinary Tract Health Formula Dry Cat FoodCorn Gluten Meal, Ground Yellow Corn, Chicken, Brewer's Rice, Wheat Flour31%12.5%2%Click Here

The Fussie Cat Premium Chicken with Vegetables in Gravy Cat Food is one of the many cat food that does not high levels of phosphorus. This cat food contains all-white meat chicken with no seafood content. It will cater to cats that love chicken more than seafood.

Another thing to consider about this food is that it contains low amount of ash, magnesium, and phosphorus that is good in making sure that your cat’s urinary tract is healthy. Also, this food maintains urinary tract health by reducing or lowering the PH level of your cat’s urine.

Making sure that your cat food is low in phosphate level is very important, but it is also a must that the food that your cat is going to eat contains no grain and is rich in DHA (docosahexaenoic acid). These are all found in Fussie Cat Premium Chicken with Vegetables in Gravy Cat Food which will help your cats have good, stable health.


  • It contains low amount of ash, magnesium, and phosphorus.
  • It is an all-white meat chicken with no seafood meal.
  • It is grain-free and rich in DHA (docosahexaenoic acid).
  • It is made in human consumables manufacturing plants.


  • Some cats do not like vegetables especially peas.

The Purina ONE Urinary Tract Health Formula Dry Cat Food is made with 100% chicken that is best suited for cats that love chicken than any other meat or seafood. This cat food also has 0% fillers which means that the chicken meat is natural and is solely the source of minerals for your cat.

Another thing to keep in mind about this cat food is that your cat will not have a hard time digesting this meal because of its easy digestible formula. This formula is a plus point especially if your cats are having a hard time excreting waste from their body.

This meal is also fully loaded with healthy omega-6 fatty acids that are known to promote healthy skin and coat. It is important to know that a healthy cat should not only be healthy inside but also outside. The good thing about this cat food is that it ensures the well-being of your cats both inside and outside their bodies.

Its low magnesium and phosphorus content also promotes a healthier urinary tract for your cats. The minerals also reduce the urinary pH level of your cats’ urinary tract to ensure that their kidneys will function well. This cat food is also recommended and suggested by veterinarians especially for adult cats because of the good benefits that come from the chicken meat and minerals found within the food.


  • It contains low amount of magnesium and phosphorus.
  • It is made with 100% chicken meat. It has 0% fillers.
  • It reduces your cats’ urinary pH for healthier kidneys.
  • It is rich in Omega-6 that promotes healthy skin and teeth.
  • It is highly recommended by veterinarians.


  • It is not suggested for kittens.
  • It can sometimes cause diarrhea.

The Wellness CORE Natural Grain Free Dry Cat Food is perfect for your cats who easily lose their appetite by having only one flavored cat food being served to them regularly. This cat food has five different flavors that are loaded with vitamins and minerals that will give your cats’ taste buds a different feeling and taste.

The flavors that your cat can choose from are: Indoor Chicken and Turkey, Indoor Salmon and Herring, Kitten Turkey and Chicken, Original Turkey and Chicken, and Turkey and Duck. With the flavors mentioned, you can give your cat the flavor that it craves and loves the most.

This cat food an indoor formula that is naturally grain free, contains rich protein coming from turkey, chicken, and cranberries, and has less fat to ensure your cat’s optimal health needs.

It is also 100% natural to ensure the overall health of your cats and avoid any illnesses. The good thing about Wellness CORE Natural Grain Free Dry Cat Food is that its ingredients are proven safe. Each packaging of this cat food is made with premium ingredients and does not contain artificial food enhancers or components such as wheat, corn, soy, meat by-products, artificial flavors, colors, or preservatives.


  • It has various flavors that your cats can choose from.
  • It is made with 100% natural ingredients.
  • It does not contain artificial flavors, colors, and preservatives.
  • It has various packaging sizes to choose from.


  • Some cats might not like the available flavors.

The Royal Canin Renal Support Canned Cat Food is formulated to support the renal care of your cats. Many of them can suffer from kidney failure because of eating dry cat food for years, and this canned cat food gives them the right level of moisture they need. It is formulated to have chicken as the main ingredient.

It only offers 6% of crude protein which is enough for cats that have problems with their kidneys. It helps them to balance the nutrition they need and promote proper kidney care. This is recommended by many veterinarians and is for maintenance of adult cats.


  • It is formulated for cats with kidney problems.
  • It has low protein and phosphorus content.
  • It listed chicken as one of the first ingredients.
  • It is highly recommended by many veterinarians.


  • It is only for cats that needs low protein and low phosphorous diet.

The Hill’s Prescription Diet K/D Feline Urinary Tract Multicare, Chicken is another cat food that has low phosphorus levels. This cat food has controlled amounts of calcium, magnesium, phosphorus, and oxalate to reduce the high risk of developing crystals and bladder stones.

If you are having problems such as your cats not looking as clean and shiny as they were the first time you met them, you probably need to check their intake of Omega-3. Omega-3 is found in fish oil and is known to promote healthy skin and shiny coat. Luckily, Hill’s Prescription Diet K/d Feline Urinary Tract Multicare has a good amount of Omega-3 that your cats can surely benefit from.

This cat food also contains added potassium citrate to avoid the formation of bladder stones. This food is also rich in vitamin B6, together with potassium citrate, helps decrease oxalate formation.

If your cat is having problem with his blood pressure, this cat food is also suited for it. This cat food has low sodium that helps maintain the blood pressure of your cat.


  • It has controlled amount of calcium, magnesium, phosphorus, and oxalate.
  • It is loaded with Omega-3 to maintain a healthy and shiny skin of your cat.
  • It contains added potassium citrate and vitamin B6.
  • It has low sodium content to maintain your cat’s normal blood pressure.


  • You may need to buy 2 bags as it is small.

The Purina NF Kidney Function Cat Food is a well-balanced and nutritional food for your cat. This cat food offers low amounts of phosphorus, salts, and proteins. Also, this cat food contains added potassium to ensure that your cat’s kidney is healthy. In addition, this also decreases the risk of your cats having renal system failure.

This cat food is loaded with Omega-3 and Omega-6 fatty acids which are known to provide a shiny and healthy skin for your cat and is a good source of EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid). This also promotes a good pH level of 6.7-7.5, has added vitamin B-complex, and is formulated with antioxidants.


  • It has low amounts of phosphorus, salts, and proteins.
  • It has added potassium and vitamin B-complex.
  • It is rich in Omega-3 and Omega-6.
  • It promotes good pH level. It has added antioxidants.


  • Some cats do not like its taste.

This is our top pick for us and we think it is the best cat food for kidney disease available on the market right now. This low-protein blend is made by Royal Canin, a brand associated with specialist formulas specifically targeted towards pets with health problems.

This Royal Canin Feline Select blend is a great option for kitties suffering from kidney disease who have a problem digesting protein, because it includes a very simple but high-quality duck protein. Duck is actually a protein, which cats can digest very easily. Plus, it has low phosphorus because there are not tons of it present.

With boosted Omega-3 fatty acids to keep skin and coat healthy, added antioxidants for immune system support and added moisture, it is a brilliant renal cat food for cats suffering from kidney disease. It is a well-balanced food which, in our view, ticks all the boxes and will help your kitty on the road to recovery.


  • Low amount of high-quality protein.
  • High amount of moisture and low in phosphorus.


  • Limited flavours available.

Wellness Complete Health Natural Dry Cat Food is a great option because its formula includes a special fiber blend which is designed to move hair through the digestive system with relative ease, and pass hairballs which have already formulated. Using deboned chicken and chicken meal as its top ingredients, it is a protein-rich formula which is full of good and natural flavour.

Wellness is one of my favourite cat food brands and is trusted throughout the pet industry. When it comes to their food options, there is no doubting that this is one of the best cat foods for kitties suffering from kidney disease.

This limited protein blend lists turkey as its primary ingredient, which is present in a limited amount and is easily digestible for cats. This low-protein cat food, like the others, contains added Omega-3 and Omega-6 fatty acids thanks to the presence of salmon, as well as taurine which helps maintain a healthy heart.

Additionally, there is low phosphorus and magnesium levels which help the urinary tract function properly.


  • Added magnesium for urinary health.
  • Two sources of high-quality protein in limited amounts. Low in phosphorus.


  • Some cats hate paté foods.

Although this product itself is not directly targeted towards cats with kidney disease, it is still a great choice. Thanks to its grain-free nature and the low amount of phosphorus present, this is a brilliant food which you can feed your kitty without worrying about upsetting his or her kidney problems.

The primary ingredient is chicken which is a high-quality protein source, and there is a limited amount of it. As it is grain-free, it will not overwork your kitty’s kidneys and the low amount of phosphorus helps maintain calcium levels. It also supports urinary tract health with the addition of magnesium.

Chicken is a good choice of protein here, because other proteins, especially seafood, contain higher amounts of phosphorus than other protein sources; all that is present here is lean all-white chicken.


  • Supports urinary tract health.
  • Is targeted towards fussy cats.
  • All-white quality chicken with no phosphorus.


  • Vegetables some cats do no like.

Hi-Tor is a specially designed formula tailored to help cats suffering from kidney disease, so it is a perfect renal dietary staple. It is highly recommended by veterinarians and is quite often one of the first brands that you would have recommended to you if you have a kitty who has just been diagnosed with kidney disease.

Hi-Tor is a specially designed formula tailored to help cats suffering from kidney disease, so it is a perfect renal dietary staple. It is highly recommended by veterinarians and is quite often one of the first brands that you would have recommended to you if you have a kitty who has just been diagnosed with kidney disease.

It has a great taste, too (well, reportedly – I haven’t tasted it!) which means that even the fussiest of kitties should be able to transfer over to this with minimal fuss. With its low phosphorus and restricted protein, it is the perfect choice to feed a kitty on who is suffering from kidney disease.


  • It is palatable and cats usually like it.
  • Around 8% protein from high quality sources and high in moisture.


  • Not all cats like the taste.

Non-Prescription Low Phosphorus Cat Food

If you are suspecting that your cats have a kidney disease and would like to prevent it as early as now, then switching to a non-prescription low phosphorus cat food can be a great choice for them.

The Hi-Tor Neo Diet for Cats is convenient for many because it is offered for a very affordable price and it is a non-prescription low phosphorus cat food. It has a low phosphorus level of 71% and is ideal for cats that are having a hard time switching to the other formulas. Aside from that, the protein content is also restricted and is made of chicken, animal liver and beef as well.


  • It comes with limited protein content.
  • It is a highly palatable recipe.
  • It is offered for a very cheaper price.
  • It has low calorie to support healthy muscles.


  • It doesn’t come with omega-3 supplement.
  • It comes with higher phosphorus than other foods.

The Blue Natural Veterinary Diet Canned Cat Food is made of chicken, chicken broth, potatoes, water, and potato starch as the first five ingredients. Even though it is a veterinary diet formula, you can have without any prescription. This is a standard renal diet that has been formulated with chondroitin and glucosamine that are needed for joint health support.

It is a pate-style food that comes with more phosphorous content than the protein.


  • It has restricted phosphorous content.
  • It comes with added omega-3 fatty acids.
  • It helps to support the health of joints.
  • This is pate-style food.


  • It comes with carrageenan.
  • It has a higher level of phosphorus than others.

The Wellness Complete Health Natural Grain-Free Wet Canned Food comes with a tasty salmon and turkey ingredients that are made to be fresh and all natural. There are other flavors available but it will surely suit the needs of your cat. It has a low phosphorous level that can be purchased without a prescription and is high in antioxidants to avoid inflammation.


  • It helps to increase moisture intake.
  • It is carefully balanced fat and protein.
  • It has cranberries for urinary tract health.
  • It has all natural ingredients.


  • The price is a little high.

What is Phosphorus?

Grain free canned cat food that we give to our cats has phosphorus inside it. Phosphorus is a mineral found in most food that helps maintain good health. This mineral makes up 1% of the total body weight of a person. Phosphorus is the second most abundant mineral in the body and is mostly found in the bones and teeth.

Aside from skin allergies that is one of the most common problems for cats, there are far more serious issues concerning their health that needs to be addressed. Issues regarding kidney function, muscle contractions, normal heartbeat, and nerve signaling are common problems that cats face. These problems, however, are lessened or solved through the presence of Phosphorus partnered with vitamin B.

It is no doubt that food rich in phosphorus is good for your cat’s body but just like any food, too much of something is not good.

Why Should Your Cats Take Low Phosphorus Cat Food?

Yes, phosphorus is good for your cat’s body. A lot of cat food reviews, such as organix have already have already mentioned the mineral phosphorus as one of the ingredients they used in producing cat foods because of its good effect on the overall health of cats. However, through various examinations conducted in the field of medicine and other related fields, it has been found out that excessive amounts of phosphorus inside the body is dangerous.

Speaking of dangerous, this is not just about your cats having fever or stomach ache that can easily be treated with some oil, medicinal syrups, or tablets. The most common illness that results from too much consumption of phosphorus is Chronic Kidney Disease (CKD).

Kidneys are known to regulate the amount of phosphorus found in the body. But when the kidneys fail to function and filter waste and excess fluids from the blood, that is when your cat suffers from Chronic Kidney Disease or Chronic Kidney Failure.

The kidneys’ job is to regulate the amount of phosphorus in the body but when your cat is suffering from Chronic Kidney Disease or Chronic Kidney Failure, the said organ can no longer do its job and will result into your cat’s blood having high levels of phosphorus. The medical condition that will develop from this is called hyperphosphatemia.

Hyperphosphatemia is presented as your cat showing lack of appetite, lack of coordination, and showing signs of weakness and twitching. Also, cats are said to have this illness when their heads are mostly held down which is a sign of them being weak.

According to researches, reducing the phosphate content of cat food is effective in protecting the cat’s kidney from further damage. It is the reason low phosphorus cat food is recommended for cats experiencing renal failure. The removal of high phosphate content from cat food according to some cat food reviews such as friskies is beneficial in making your cat’s kidney better and thus reducing any further damage that may occur to your cat’s kidneys.

There are various low phosphorus cat foods out in the market that you can offer to your cats. Either they have kidney failure, or you just want to make sure that they will not experience this illness, it is important to take into consideration purchasing low phosphorus cat food to ensure a long and healthy life for your cats.

Tips for Cats Suffering from Kidney Failure

Having Chronic Kidney Disease or Chronic Kidney Failure, your cat will surely be weak and lose the bubbly energy it has before. However, as a cat owner, you should not let this illness take over your cat’s life.

A lot of solid gold cat food reviews have agreed that cats suffering from kidney problems can be treated with proper medication and diet. If your cat is suffering from kidney problems and you want to make sure that your cat will be back into a healthier and livelier version, you must remember the following tips.

First, make sure that your cat will have low phosphorus cat food. Too much phosphorus is not good for your cat and will result to its kidney not functioning well. Take in mind that cat food with less phosphorus is more beneficial to your cat.

Second, avoid too much protein. Cats are fond of eating meats and other food that is rich in protein. However, cats that are having renal failure should only take highly digestible protein found in rabbit and poultry.

Third, increase water intake. With cats having problems in their kidney, they tend to get dehydrated immediately. This is the reason behind their supposed increased water intake.

Lastly, find a cat food that has low amounts of protein, phosphorus, and sodium. Rather, look for cat food that has high levels of Omega-3 and Omega-6 fatty acids, B-vitamins, and antioxidants. These will help your cat’s kidney to function more effectively and reduce any further damage.

There are numerous brands out offering cat foods that promises to have low levels of phosphorus but to be safe, make sure to research well and ask for help or recommendations from a veterinarian to ensure that your cat will be well.

Kidney Disease Prognosis

Most cats will survive kidney disease for months or years after they have been diagnosed, but kidney disease is generally not curable. It is a progressive and chronic disease and, over time, it is fatal in cats, because the disease causes kidneys to weaken.

That being said, however, it is possible to help prolong your kitty’s life for as long as possible and lead a quality life by feeding the right diet, with the right foods and taking the right care of your kitty. Having a kitty suffering with kidney disease is not easy… it will require a lot of care on your part, but this can be relieved by feeding the best cat food for kidney disease.

With all of the above in mind, here are our reviews of the best cat foods for kidney disease available on the market right now. These specially formulated renal foods tick all the boxes and will help your kitty on the road to recovery from kidney disease. Not all of these are specially-formulated renal foods, however, some are just regular cat food brands!

The Round Up

Whether you have made up your mind or not about purchasing low phosphorus cat food, it is necessary that you read all possible cat food reviews that you can find. This is to ensure that what you will get for your cat is really what it really needs. Another thing to keep in mind is that cat food with low levels of phosphorus has really been found effective in reducing your cat’s kidney problem.

When we find food that is nutritious and flavorful at the same time, that’s when we know we’ve hit the jackpot. This idea goes the same with the food that our cats eat. Just like a human body, a cat’s body also needs to be healthy for them to stay alive.

Rebecca Welters

Yes, I am that weird cat lady with 200 cats and live in the darkest corner of the city where no one dares to go! Joking! But I am a cat lover and have 2 Ragdoll cats called Toby, he's 3 years old and Dory, she's 8 years old. I'm 36 years old and live in the quiet town of Washington.

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