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Question:

Royal Canin Renal Support dry food - A, S, or F?

I'm really at a loss here and could use some advice about my cat's diet. My sweet old cat, Whiskers, has recently been diagnosed with early-stage kidney disease, and our vet recommended the Royal Canin Renal Support dry food. I've done some research, but I'm confused about the different types—A, S, and F—since I want to make sure I'm giving Whiskers the best option for his health. He can be quite picky with kibble, so I'm concerned about finding one he actually likes while supporting his kidneys. It's been stressful trying to balance his nutritional needs and keeping him happy, especially now that he's more fragile. Any insights or personal experiences with these formulas would be greatly appreciated!

Answer:

Thanks for the question! It sounds like you're exploring dietary options for your pet with kidney issues, specifically looking at the Royal Canin Renal Support line. The "A," "S," and "F" denote different formulas designed to cater to varying palates and specific needs of pets with renal challenges.



Renal support diets are crucial because they help manage the buildup of waste products in pets with kidney problems. Generally, these diets have controlled phosphorus levels and high-quality protein to reduce the workload on the kidneys. The different formulas—Aroma, Savor, and Flavor—offer not just nutritional support but also enhance palatability, so you can find the one your pet likes best.



In terms of home care, make sure your pet stays hydrated, as kidney health is closely linked to fluid intake. Always provide fresh water and consider encouraging fluid intake through wet food.



Keep an eye out for signs of discomfort, such as vomiting, diarrhea, decreased appetite, weight loss, or increased thirst and urination. If you notice any of these symptoms, I recommend seeking veterinary advice right away.



To ensure you're choosing the best option tailored for your pet's specific needs, I encourage you to book a video consult with Dial A Vet. A vet can provide personalized advice, taking into account your pet's unique health profile.

Answered by

Louise - Senior Veterinary Nurse, Dial A Vet

June 26, 2025

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The "Ask a Vet" forum on Dial A Vet offers general information and helpful tips on pet health, but it's not a substitute for professional veterinary care. The advice here doesn't create a veterinarian-client-patient relationship, and our vets can't diagnose or treat your pet remotely. For emergencies or specific medical concerns, always contact your local veterinarian immediately. Your pet's health is unique, and decisions should only be made after consulting with a qualified professional. By using this forum, you acknowledge these limitations and agree to seek in-person veterinary advice for all your pet's health needs. View our content guidelines.
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