Care Rx Renal Formula Dry Dog Food
Verified Jun 5, 2026
This is a veterinary therapeutic dry food specifically designed for adult dogs with kidney (renal) disease. It uses brown rice, egg product, and potato protein to provide highly digestible but reduced protein, along with carefully controlled phosphorus and sodium levels to help reduce workload on the kidneys. Added fish oil, taurine, antioxidants, and probiotics support skin and coat, immune function, and digestive health for long‑term maintenance feeding under veterinary supervision.
Nutritionally, this is a well-designed renal diet for adult dogs who need kidney support and have been diagnosed with acute or chronic kidney disease. The formulation offers appropriately reduced but good-quality protein, low phosphorus and sodium, and higher fat and energy density, which helps maintain body weight while limiting kidney stress. It’s also backed by AAFCO feeding trials for maintenance and includes probiotics and omega fatty acids, making it a strong option when your veterinarian recommends a renal prescription kibble.
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At a Glance
KibbleLab Review
Strengths
- Formulated specifically for kidney disease with reduced protein (13%), low phosphorus (0.2–0.5%) and controlled sodium (max 0.25%), which is appropriate for many dogs with renal issues.
- Uses easily digestible protein sources (egg product and potato protein) and brown rice as a gentle carbohydrate, which can help dogs with reduced appetite or sensitive digestion.
- Includes menhaden fish oil, flaxseed, and a good omega-6 to omega-3 profile, plus added taurine and antioxidants (vitamin E), supporting skin, coat, and overall health.
- AAFCO maintenance-adequate and substantiated by feeding trials, giving added confidence in the diet’s real‑world performance and nutrient bioavailability, with added probiotics for digestive support.
Considerations
- Protein level is intentionally low for kidney support; it’s not suitable for healthy, growing, or very active dogs who need higher protein, and should only be used under veterinary guidance.
- Primary protein sources are egg and potato protein, not meat; most dogs do well on these, but very active or underweight dogs may require careful monitoring of body condition on a lower‑protein, higher‑fat diet.
- Energy density is quite high (about 488 kcal per cup), so portions are small; measuring accurately and monitoring weight is important to avoid unwanted weight gain.
- Contains chicken fat and egg, which are common allergens for some dogs, so it may not be appropriate for dogs with known chicken or egg allergies.
Full Ingredient List
Ingredients and analysis reflect manufacturer data at the time of our last update and can change without notice. Always check the actual product packaging before feeding.
Ingredient filtering helps identify compatible options but is not a substitute for a veterinary elimination diet.
Top 5 Ingredients Explained
01
Brown Rice
Brown rice is a whole-grain carbohydrate and fiber ingredient commonly used in dog and cat foods to provide digestible energy, dietary fiber, and modest amounts of B‑vitamins and minerals; it typically offers more nutrients and fiber than white rice. It’s generally well tolerated and can help with sensitive stomachs, but because it is high in carbohydrates (not a primary protein source) and can contain trace inorganic arsenic depending on sourcing, it should be included in balanced formulations and monitored in overweight or diabetic pets.
02
Chicken Fat
Chicken fat is used in dog and cat foods as a concentrated energy and flavor source that supplies essential fatty acids (notably linoleic acid) and aids absorption of fat‑soluble vitamins, improving palatability and supporting skin and coat health. Because it is calorie‑dense, diets must account for added fat to prevent weight gain, and quality (proper rendering and antioxidant protection to prevent rancidity) is important; although fats are less commonly allergenic than proteins, pets with poultry sensitivities may still react in some cases.
03
Mixed Tocopherol
Mixed tocopherols are a blend of natural vitamin E compounds (alpha, beta, gamma and delta tocopherols) used in pet foods primarily as a natural antioxidant and preservative to protect fats and fat‑soluble nutrients and extend shelf life. They also supply dietary vitamin E—an essential antioxidant for immune function, skin and coat health and cellular integrity in dogs and cats—and are generally safe at typical use levels, though they are not a substitute for a complete vitamin formulation and may be less effective in animals with fat‑absorption disorders.
04
Egg Product
Egg product is used in pet foods as a high-quality, highly digestible animal protein and palatability enhancer, providing complete essential amino acids, fats, vitamins (such as A, D and B12), minerals and choline, and it often serves as a binder or emulsifier when included as whole, dried or concentrated egg. It supplies bioavailable nutrients for dogs and cats but can be a food allergen for some individuals, may be higher in fat depending on yolk content, and should be properly processed (pasteurized or cooked) to reduce microbial risk.
05
Potato Protein
Potato protein is a concentrated plant-based protein used in pet foods as a protein source, binder and texture enhancer, offering a highly digestible amino acid profile with relatively good lysine content compared with other plant proteins. It can be a useful hypoallergenic alternative for dogs and a supplement in balanced formulas, but it should not be the sole protein for obligate carnivores like cats because it lacks certain nutrients (e.g., sufficient taurine and other animal-derived factors) and must be used within complete, nutritionally formulated diets; quality processing also minimizes potato-specific compounds such as glycoalkaloids.
Nutritional Breakdown
How to read As Fed versus Dry Matter
As fed shows the numbers straight off the label, water included. Dry matter removes the water so you can compare a wet food and a dry food fairly.What is calorie density
How many calories the food packs per unit. Denser foods mean smaller portions for the same calories.Product Details & Brand
Product Specs
AAFCO Nutritional Adequacy
What is AAFCO
Association of American Feed Control Officials. It sets the nutritional
adequacy standards US pet foods are measured against.
What is AAFCO
Association of American Feed Control Officials. It sets the nutritional adequacy standards US pet foods are measured against.Brand
Diamond CARE is a specialized line of dog foods designed to support specific health needs such as sensitive skin, kidney support, and weight management, offering veterinarian-inspired nutrition without the prescription requirement.
Visit Diamond CAREManufacturer
Diamond Pet Foods maintains a rigorous quality assurance program that includes in-house testing for mycotoxins, pathogens, and nutritional analysis. The company adheres to FDA, AAFCO, and HACCP standards, employing extrusion and cooking processes designed to ensure product safety.
Manufacturing details are compiled from public sources and not independently verified; they may not reflect contract manufacturing or co-packing.
Recall History
Diamond CARE Care Rx Renal Formula Dry Dog Food has no recalls since 2014.
Source: FDA Pet Food Recall Database · Monitored daily
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Frequently Asked Questions
Has Diamond CARE ever been recalled?
We have no recalls on record for Diamond CARE. We monitor the FDA Pet Food Recall Database daily.
How does KibbleLab rate foods?
Our scores are based on ingredient composition, nutritional profile, AAFCO compliance, and health considerations. We don't penalize by-products, grains, or synthetic preservatives. Brands cannot pay for higher scores.
Is KibbleLab a substitute for veterinary advice?
No. KibbleLab provides data-driven food analysis, not medical advice. Always consult your veterinarian before making dietary changes, especially for pets with health conditions.
KibbleLab provides informational content only. This is not veterinary advice. Always consult a qualified veterinarian before changing your pet's diet.
KibbleLab may earn affiliate commissions through product links. No one can pay for a higher score, or to change what we recommend for your pet.
Product data sourced from manufacturer websites, AAFCO statements, and FDA recall database. Last verified dates reflect our most recent data check.
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