Kidney Support Diet

Freeze-Dried, Pasteurized Food for Cats

This diet requires vet authorization. Learn More
This recipe requires signed authorization from your veterinarian. If you have a signed prescription, please send a copy to info@medicusveterinarydiets.com. Otherwise, we will reach out to you within the next business day to arrange authorization. Note the order will not ship till authorization is provided.

Medicus Kidney Support Diets for cats are therapeutic meals designed to provide the nutritional framework for the unique nutritional needs of a CKD cat. 

$4.78 – $29.95

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Diet Overview

Designed to nourish the body and protect the kidneys by lessening their workload.

The Medicus Feline Kidney Support Diet is made with real, whole foods picked for their unique properties.

Highlights

  • Bioavailable, high-quality proteins  
  • Reduced phosphorus 
  • Natural phosphorus binders
  • Enhanced potassium and vitamin B levels
  • Healthy fats – Omega 6: Omega 3 ratio 0.67:1

Who would benefit from this diet?

  • Chronic Kidney Failure
  • Acute Kidney Failure
  • Conditions Requiring Low Dietary Phosphorus

How It Works

The Medicus Feline Kidney Support Diet is meticulously crafted to address these key nutritional needs:

Nourishes the Body with Clean, Whole Food

  • Moderate levels of high-quality protein from meat and organs

  • Moderate levels of healthy fats 

  • Antioxidants

Limits the Nutrients that the Kidney has to Process

  • Low phosphorus ingredients for reduced phosphorus intake 

  • Chitosan and egg shells bind phosphorus in the gut

Replaces Nutrients Lost to Symptoms of CKD

  • Added Potassium and B vitamins to replace those lost with increased urination

Supports Crucial Kidney Function

  • Omega-3 fatty acids help the integrity of the kidney’s filter – Omega 6:Omega 3 Ratio 0.67:1

Nutrients vs Ingredients

Where Other Diets Fall Short

Other industry diets meet the nutrient profiles needed to address a disease state but do so using poor-quality ingredients like meat meals, corn, and a lengthy list of synthetic nutrients.

We know that when an animal is sick, nutrition matters most, and that you can provide a therapeutic kidney diet with whole foods.

 

Compare Our Ingredients

Medicus

Chicken, Rice, Egg, Chicken Liver, Flaxseed, Chicken Gizzards, Ground Krill, Cranberries, Blueberries, Potassium Salt, Sea Salt, Ground Egg Shell, Chitosan, Mixed Tocopherols, Zinc Proteinate, Niacin, Riboflavin, Thiamine, Vitamin B12, Pyridoxine, Folic Acid, & Kelp

Proof in the Numbers

The Medicus Kidney Support diet for cats meets all the nutrient requirements needed for a CKD diet with numbers comparable to, if not better, than leading diets within the industry.

Hill’s® Prescription Diet is a trademark of Hill’s Pet Nutrition, Inc., Blue Buffalo® is a trademark of Blue Buffalo Company, Ltd, Purina® is a trademark of Nestlé Purina PetCare

Ingredients

Chicken, A clean, highly digestible source of protein, also rich in iron, B vitamins, selenium, magnesium, and zinc.
Rice, Cats with kidney disease cannot properly process phosphorus. Adding just enough rice dampens the high phosphorus content of the high-quality meats, which is crucial for lessening the kidney’s workload and protecting kidney function.
Egg, The egg itself is a complete protein, meaning it has all 9 amino acids the body needs from food and is low in phosphorus.
Chicken Liver, Contains a concentrated amount of vitamin A and protein, along with iron, B vitamins, CoQ10, and fatty acids.
Flaxseed, Full of polyphenols, an antioxidant that defends against oxidative stress to decrease inflammation.
Chicken Gizzards, Rich in cartilage and glucosamine, plus a great source of protein, zinc, Vitamin B12, and iron.
Ground Krill, Brimming with nutrients including marine proteins, essential fatty acids, and a powerful antioxidant called astaxanthin, the combination is a powerful anti-inflammatory.
Cranberries, Cranberry acidifies urine to create an unfavorable environment for bacteria growth like E.coli, the most common culprits of UTIs. It also handcuffs itself to the bacteria preventing it from attaching to the bladder wall.
Blueberries, One of the most popular superfoods known for their antioxidant properties and ability to limit oxidative stress, which fights inflammation.
Potassium Salt, Used as an electrolyte replenisher to ensure adequate potassium levels.
Sea Salt, Salt helps cells move nutrients and waste where it needs to go.
Ground Egg Shell, The shell is rich in calcium carbonate, which binds phosphorus in the gut so it can be eliminated.
Chitosan, Comes from the outer skeleton of shellfish like lobster, crab, and shrimp. It binds to phosphorus, which gets eliminated. It’s a natural way to manage phosphorus levels.
Mixed Tocopherols, Part of the vitamin E family (akin to vegetable oil) & often used as a natural preservative to maintain freshness.
Zinc Proteinate, A chelated mineral bound to an amino acid that protects against oxidative stress.
B Vitamins (Niacin, Riboflavin, Thiamine, Vitamin B12, Pyridoxine, Niacin, Riboflavin, Thiamine, Vitamin B12, Pyridoxine, and Folic Acid are incredibly fragile B vitamins. They help a variety of enzymes do their jobs, so food more easily turns into energy in the body.
and Folic Acid) Niacin, Riboflavin, Thiamine, Vitamin B12, Pyridoxine, and Folic Acid are incredibly fragile B vitamins. They help a variety of enzymes do their jobs, so food more easily turns into energy in the body.
Chicken

A clean, highly digestible source of protein, also rich in iron, B vitamins, selenium, magnesium, and zinc.

Rice

Cats with kidney disease cannot properly process phosphorus. Adding just enough rice dampens the high phosphorus content of the high-quality meats, which is crucial for lessening the kidney’s workload and protecting kidney function.

Egg

The egg itself is a complete protein, meaning it has all 9 amino acids the body needs from food and is low in phosphorus.

Chicken Liver

Contains a concentrated amount of vitamin A and protein, along with iron, B vitamins, CoQ10, and fatty acids.

Flaxseed

Full of polyphenols, an antioxidant that defends against oxidative stress to decrease inflammation.

Chicken Gizzards

Rich in cartilage and glucosamine, plus a great source of protein, zinc, Vitamin B12, and iron.

Ground Krill

Brimming with nutrients including marine proteins, essential fatty acids, and a powerful antioxidant called astaxanthin, the combination is a powerful anti-inflammatory.

Cranberries

Cranberry acidifies urine to create an unfavorable environment for bacteria growth like E.coli, the most common culprits of UTIs. It also handcuffs itself to the bacteria preventing it from attaching to the bladder wall.

Blueberries

One of the most popular superfoods known for their antioxidant properties and ability to limit oxidative stress, which fights inflammation.

Potassium Salt

Used as an electrolyte replenisher to ensure adequate potassium levels.

Sea Salt

Salt helps cells move nutrients and waste where it needs to go.

Ground Egg Shell

The shell is rich in calcium carbonate, which binds phosphorus in the gut so it can be eliminated.

Chitosan

Comes from the outer skeleton of shellfish like lobster, crab, and shrimp. It binds to phosphorus, which gets eliminated. It’s a natural way to manage phosphorus levels.

Mixed Tocopherols

Part of the vitamin E family (akin to vegetable oil) & often used as a natural preservative to maintain freshness.

Zinc Proteinate

A chelated mineral bound to an amino acid that protects against oxidative stress.

B Vitamins

Niacin, Riboflavin, Thiamine, Vitamin B12, Pyridoxine, and Folic Acid are incredibly fragile B vitamins. They help a variety of enzymes do their jobs, so food more easily turns into energy in the body.

Kelp

Naturally high in antioxidants with anti-inflammatory properties, and it’s a natural form of iodine.

See More

Our Standards

Click on a standard to read more.

100% Real, Whole Foods

No Meat Meals

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Provides exactly what the body needs to nurture healing. Real food is more bioavailable, easier on digestion, and improves immune health, all crucial for immunocompromised pets. Grass-fed meats, wild-caught fish, and organic veggies are all responsibly sourced to provide clean, wholesome nutrition when your pet needs it most.

ingredient1

Rendering converts animal carcasses into ingredients for animal feed. They are ground, heavily cooked, pressed to remove fats, ground again, and then dried. Included in this process are bones, organs, blood, feathers, and slaughter floor waste. Meal is a heavily-processed ingredient before it’s added as an ingredient to kibbles.

Locally Sourced Ingredients

No High-Heat Cooking

Responsibly Sourced

Responsibly sourced from local, trusted food suppliers who prioritize the quality and safety of their ingredients. This gives us the ability to ensure we only use human-grade ingredients like USDA organic produce, wild-caught fish, and pasture-raised beef.

Top view of Dry dog food in a stainless steel bowl with concrete background.

Ingredients that are cooked in any way lose essential nutrients, like vitamins, minerals, active enzymes, and antioxidants. Kibble goes through four different cooking processes that reach 400℉, eliminating almost all nutrients that the ingredient had in its raw state. The freeze-drying process in all Medicus diets allows for the majority of the nutrients found in food to stay intact.

USDA-Inspected Meats

No Corn

Ingredient Icons_Raw Beef

We use only high-quality, digestible animal proteins–wholesome cuts of meats from healthy USDA-Inspected animals being used for human consumption. They are processed and stored according to strict USDA standards.

corn

Corn is commonly used as a filler for commercial kibble companies, as it is inexpensive and easily accessible. Corn is used as a plant-based protein and isn’t as digestible or bioavailable for carnivores.

Organic Produce

No Antibiotics

Ingredient Icons_Cranberries

USDA-organic produce means whole, unadulterated fruits and vegetables free from synthetic pesticides and fertilizers, growth hormones, sewage sludge, and irradiation that are utilized in conventional farming methods.

Chicken

Because we only source meats from USDA-Inspected facilities, our animal-based proteins meet the same standards as human meat production. No antibiotics, hormones, or other medicines are administered to the animals prior to slaughter.

Freeze-Dried

No Pesticides

NEW LIFESTYLE IMAGE - Cat - kidney support - Medicus ingredient collage edits

Medicus Veterinary Diets are the first ever freeze-dried pasteurized therapeutic diets. The gentle freeze-drying process makes the food safe for immunocompromised pets as well as shelf-stable for easier feeding. Freeze-drying preserves about 97% of every single ingredient’s nutrients.

Barley Grass

Consumption of pesticides can increase the rate of oxidative damage to cells and inflammation The produce used in our formulas is grown organically, meaning no pesticides or herbicides, like glyphosate, are used in the growing process.

Veterinary Developed

No Hormones

medicus icons _Developed by veterinarians & nutritionists-

With over 30 years of veterinary experience, Dr. Chris Bessent utilized whole foods and a research-led approach to develop the first freeze-dried, whole food therapeutic diets for dogs and cats.

medicus icons _clean, quality food (sans hormones, antibiotics, chemicals, toxins)-

The beef in our formulas is pasture-raised and free from hormones.

Independently Reviewed

No Artificial Preservatives

medicus icons _Extensively tested -

We consulted with some of the brightest minds in the industry, including Independent Nutrition Consultants, to formulate these diets.

Ingredient Icons_Mixed Tocopherols

We only use mixed tocopherols, a natural preservative, in all Medicus Diets. While it functions as a way to keep each bag of food shelf-stable and fresh, it is also an antioxidant.

Made in WI

No Artificial Flavoring

Made in the USA

Dr. Chris Bessent is the owner and operator of the Wisconsin-based facilities where Medicus is made. This gives her the ability to provide strict oversight of every step of the production phases, from when the ingredients enter the door to when the finished food leaves the facility to be delivered to your door. Every ingredient, each production phase, and every batch of food is logged for complete traceability.

Natural Raw organic dog food in bowl and dog's paws on white background. BARF dog diet. Raw meat, eggs, vegetables.

Because all of our ingredients are freeze-dried, the original flavor remains, making it similar to a fresh or home-cooked diet in taste.

Limited ingredient

No Artificial Dyes

medicus icons _animal proteins (salmon, chicken, egg)

Our ingredient decks are small because we only use extensively researched foods that address your pet’s unique nutritional needs. The select few ingredients and proportions are chosen by the architecture of whole food and an intimate understanding of disease and its treatment.

beakers

Artificial dyes are used in pet foods to add color to brown kibble in an attempt to give them a more desirable and aesthetically pleasing color.

For Sick Pets

No Byproducts

Young female veterinarian checking up the dog at the veterinarian clinic

These therapeutic diets address the nutritional needs of sick pets, so you can give your pet exactly what they need when they need it most.

Oat Flour

Byproducts are the result of whole foods being broken down into smaller parts, like peas being broken down into pea protein, pea flour, pea fiber, and pea starch. This allows pet food companies to list these as separate ingredients on their ingredient decks.

Antioxidant-Rich

No Cellulose

Blueberries

Every Medicus formula is flooded with antioxidants like polyphenols from blueberries, the carotenoids and zeaxanthin found in spinach, and astaxanthin from krill. Antioxidants help protect pets from free radicals and oxidative damage.

chitosan

Cellulose is used as a filler for many kibbles. Dogs do not have the enzyme necessary to metabolize and break down cellulose, so it is difficult for them to digest and utilize the nutrients.

High levels of Omega 3 fatty acids

No Soy

Ingredient Icons_Krill

Omega 3 fatty acids promote a robust immune system and healthy heart, nourish the skin & coat, and support renal function. The key to getting all these benefits is the ratio of Omega 6:3. Every Medicus formula has the optimal 1:1 Omega 6:3 (or even <1:1 ratio), ensuring your pet benefits from all the whole food Omega 3 fatty acids.

medicus icons _single source novel carb (organic oat)-

Medicus Diets only contain fragile B vitamins and zinc proteinate. B vitamins (Niacin, Riboflavin, Thiamine, Vitamin B12, Pyridoxine, and Folic Acid) play an essential role in helping a variety of enzymes do their jobs, like turning food into energy. Zinc proteinate binds to amino acids and protects against oxidative stress.

Anti-Inflammatory Diets

No Rendered Fats

Cows_Pasture-Raised

Each diet is flooded with high levels of antioxidants and Omega 3 fatty acids from organic produce and grass-fed beef, krill, or wild-caught fish. 

Top view of Dry dog food in a stainless steel bowl with concrete background.

Rendered fats in kibble are typically low quality and from unidentifiable animals. They may also contain fat-soluble toxins that can be harmful when consumed. All the healthy fats in Medicus Diets come from clean, whole food sources.

3rd-Party Tested

No Brewers Rice

medicus icons _cGMP facility-

Each Medicus diet went through complete comprehensive 3rd party testing. Several rounds of AAFCO Nutrient Profile testing ensured that both macro and micronutrient levels are tending to your pet’s specific nutritional needs.

Ingredient Icons_White Rice

Many kibble diets contain brewers rice, which is a low-quality carbohydrate source. It is the leftovers of white rice after it has been processed and offers very few nutrients. We only use white rice that provides highly-digestible nourishment.

Minimally Processed

No Wheat

Ingredient Icons_Spinach

Utilizing a gentle process like freeze-drying preserves all of the benefits food offers – from the macro and micronutrients, including high levels of antioxidants that are vulnerable to heat processes.

medicus icons _low carbs--27

Wheat is commonly used as a filler for commercial kibble companies, as it is inexpensive and easily accessible. Wheat is used as a plant-based protein and isn’t as digestible or bioavailable for carnivores.

Bioavailable Proteins

No Feed-Grade Ingredients

Ingredient Icons_Chicken Breast

We use high-quality, bioavailable animal proteins in all of our formulas, like grass-fed beef, guinea fowl, and chicken. Real, whole ingredients are easily digestible and allow the body to absorb and use more of the nutrients in the food.

ingredient1

That means no 4D meats, meat meals, or any other ingredient or supplement not considered human edible.

Ingredients

Chicken, Rice, Egg, Chicken Liver, Flaxseed, Chicken Gizzards, Ground Krill, Cranberries, Blueberries, Potassium Salt, Sea Salt, Ground Egg Shell, Chitosan, Mixed Tocopherols, Zinc Proteinate, Niacin, Riboflavin, Thiamine, Vitamin B12, Pyridoxine, Folic Acid, & Kelp

Cups In A Bag

96.88 g/cup  |  4 2/3 cups 

Calorie Content

4227 kcal/Kg  |  409.5 kcal/cup

Guaranteed Analysis

Crude Protein (min.) 30%

Crude Fat (min.) 15%

Crude Fiber (max.) 6%

Moisture (max.) 5%

Supplemental Feeding

 
The Medicus Feline Kidney Support Diet is intended for intermittent or supplemental feeding only. 

Nutritional Facts

How to Feed

Feeding Guide

Always consult your veterinarian before introducing this diet to your cat. Start with these daily feeding guidelines and follow your veterinarian’s suggestions about the number of meals per day and whether the daily recommendation is right for your cat.

REHYDRATION RECOMMENDED

Water helps with digestion, circulation, and other bodily processes like perfusion (movement of fluids through the organ), which helps move the harmful byproducts through the filtration system and out of the body.

Nugget Rehydration Directions: 

Rehydrate by adding +/-  ¾ cup of warm water for every cup of food. Mix the water and food, and wait 3-4 minutes, then serve.

 

Paté Rehydration Directions:  Rehydration Directions: 

Add 1 1/2 cups of hot water (120 degrees F) for every 1 cup of Medicus pate powder. Mix and let rest for 5-10 minutes. Prior to serving, add two additional tablespoons of warm water and mix. 

Palatability Suggestions

Consult with your veterinarian before following these suggestions. Every cat and their condition is different, so it is best to learn whether the recommendations are right for your cat.

Chicken Bone Broth 

Hydrate your cat’s food with chicken bone broth (no sodium) as a nutritious and enticing way to add moisture and flavor. It is low in calories and fat so the nutritional makeup of the Medicus Diet will not be altered.

Sardines

Place a sardine on top of your cat’s meal. They are rich in Omega 3 fatty acids, which have been shown to slow the decline of kidney function associated with kidney conditions.

Kefir

Hydrate your cat’s food with kefir, which contains probiotics, beneficial enzymes, and vitamins B & K. It is also a great source of calcium.

Transitioning

Day 1-2

Feed 25% | 75%
Medicus | Current Food

Day 3-4

Feed 50% | 50%
Medicus | Current Food

Day 5-6

Feed 75% | 25%
Medicus | Current Food

Day 7

Feed 100%
Medicus

FAQs

Store freeze-dried food like you would any of your dry goods. Keep them in a cool, dry place, out of direct sunlight for peak freshness.

It is important to note that because these foods are freeze-dried, moisture can affect the shelf life. To prevent that, reseal the product properly after every use by pushing out all residual air. If you live in a hot, humid environment, the product may be exposed to more moisture and shorten shelf life, so follow the above and store it in the fridge.

We recommend keeping the food in its original packaging since that bag was picked specifically to keep oxygen out. Our recipes are only packaged in individual, resealable bags to ensure the freshest food. And if you order more than 16 oz, you’ll get multiple individually packaged bags, so you only have to open one at a time.

All of our diets are freeze-dried and undergo a pasteurization process that eliminates any bacteria to be safe and shelf-stable for immunocompromised pets. The freeze-drying process is not only a safe and effective pasteurization process but also retains 97% of food’s original vitamins and minerals, meaning these diets are undeniably as close to fresh, whole foods as possible.

It is extremely recommended that you add some kind of moisture to your pet’s meal, whether that be from warm water, bone broth, or kefir. Moisture aids overall digestion and helps move any harmful substances out of the body. It is also essential for pets with kidney or bladder problems, as it replenishes fluid lost during increased urination and flushes bacteria out of the bladder.

If there is remaining food left in your pet’s bowl, you can transfer it to an air-tight container and store it in the refrigerator for up to five days.

We use locally-sourced ingredients for the freshest and highest-quality possible. All of our grass-fed meats, wild-caught fish, and organic produce are grocery-grade from trusted food suppliers.

All Medicus Diets for dogs are packaged in 32 oz. bags and all Medicus Diets for cats are packaged in 16 oz. bags. This is to maintain peak freshness to preserve the quality and nutrients of the whole food ingredients. We also use mixed tocopherols, which is a natural preservative, in every diet to keep it shelf-stable and also provide additional antioxidants.

We recommend looking at our palatability enticers for each diet on their respective page, as they are catered to each aspect of health that the diet is centered around.

Following our transitioning guide can also help pets gradually adapt to their new food before fully feeding Medicus.

Medicus Therapeutic Diets consist of both Complete & Balanced Diets and those for Supplemental Feeding only.

Each Medicus diet went through complete comprehensive 3rd party testing. Several rounds of AAFCO Nutrient Profile testing ensured that both macro and micronutrient levels are tending to your pet’s specific nutritional needs.

Formulated to meet the nutritional levels established by the AAFCO Dog/Cat Food Nutrient Profiles for adult maintenance.

  • Canine Sensitive Stomach Diet
  • Canine Skin Health Diet
  • Canine Cancer Support Diet
  • Feline Bladder Health Diet
  • Feline Metabolic Support Diet

Intended for intermittent or supplemental feeding only. 

  • Canine Kidney Support Diet
  • Feline Kidney Support Diet
  • Canine Bland Diet

Customer Reviews

Based on 12 reviews
75%
(9)
8%
(1)
17%
(2)
0%
(0)
0%
(0)
J
Jane Malik
No instructions

I ordered trial packets of the feline kidney disease food. But there are no instructions on how to feed with it...(i.e. how much water to add).

C
Cynthia Lease
My cat is not eating it very well.

Unfortunately my cat is not eating very well but it may be the heat and it may be the illness. Just no appetite for most food sadly. Maybe in another situation things would be different.

C
Carolyn Sellers
Kidney support

The food is too hard i am afraid it will bother their teeth they are older. They like it sosked in warm water but they dont eat much at a time
Could you offer a different flavor?

A
Astrid Davis
Happy to find this food

So far I’m using the pate as a topper and the dry as a treat to get my cat used to it. He’s interested, so I’ll slowly try to transition him fully or continue to use it for supplemental feeding.

S
Stacey Weston
Medicus cat food review

Neither of my cats will eat the pate or the food that needs to be dehydrated. Any suggestions?

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