Royal Canin Veterinary Diet Canine Renal Support S Adult Dry Dog Food
- Veterinary Diet
- Veterinary Diet
- Bag
- Dog
- Better rated than 72%
- More reviewed than 60%
A targeted renal support formula worth discussing with a vet for dogs showing kidney-related appetite loss, though it isn't something to start without a prescription.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
How it ranks among the 50 veterinary diets we track
4.7★ across 405 Amazon ratings, Bayesian-smoothed toward the category average.
405 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 50 veterinary diets we track - how the scorecard works · full veterinary diets data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A prescription dry dog food from Royal Canin formulated to support kidney function in adult dogs, sold here in a 6 pound bag of the S (small kibble) Renal Support formula in chicken flavor.
This is a veterinary diet, meaning a veterinarian needs to authorize its use rather than it being a general over-the-counter food. The listed benefit is straightforward: it's built to ease strain on the kidneys and encourage appetite in dogs whose kidney issues have made them reluctant eaters. The formula is free of yam as a listed allergen consideration.
- Renal Support S formula for adult dogs
- Chicken flavor, dry kibble form
- 6 lb / 96 oz bag
- Prescription required
Who it's for
For dogs already diagnosed with kidney disease or reduced kidney function under a vet's care, not for otherwise healthy dogs looking for a general diet. The all-breed-size recommendation means it applies across dog sizes as long as the underlying kidney condition is present.
Strengths and trade-offs
Drawn from this product's published specifications.
- Formulated specifically for kidney support in adult dogs
- Addresses appetite loss, a common symptom of kidney issues
- Yam free formula
- Requires a prescription, so it can't be bought without vet sign-off
- No listed description or customer review text on this batch
- Very low recent purchase volume compared to similar-sized listings
Performance notes
The formula targets two things at once, supporting kidney function and stimulating appetite, which matters because dogs with kidney disease often eat less. It's positioned as ongoing dietary management rather than a short-term treatment.
Specifications
| Brand | ROYAL |
|---|---|
| Model | 561566 |
| Dimensions & fit | |
| Item Weight | 6 pounds |
| Package Size Name | 6 Pound |
| Dog Breed Size | All |
| Capacity & performance | |
| Age Range Description | Adult |
| Included components | |
| Unit Count | 6 pounds |
| Included Components | Pet Food |
| Other details | |
| Animal Food Diet Type | Veterinary Diet |
| Container Type | Bag |
| Pet Type | Dog |
| Number Of Items | 1 |
| Manufacturer | Royal Canin |
| Manufacturer Part Number | 561566 |
| Model Number | 561566 |
| Specific Uses For Product | Stomach |
| Occasion | Birthday |
| Target Species | Dog |
| Product Benefits | Supports kidney health and stimulates appetite in dogs with kidney issues. |
| Upc | 030111561565 |
| Customer Reviews | {'ratings_count': '405', 'stars': '4.7'} |
| Additional Features | Prescription Required, Kidney Health Support |
| Breed Recommendation | All Breed Sizes |
| Recommended Uses For Product | Kidney health support, Appetite stimulation, Promoting kidney function |
| Allergen Information | Yam Free |
| Item Form | Dry |
| Asin | B011QCY31W |
| Special Ingredients | Antioxidant |
| Best Sellers Rank | #41,117 in Pet Supplies (See Top 100 in Pet Supplies) #68 in Veterinary Diet Dog Food #1,083 in Dry Dog Food |
| Flavor | Chicken |
| Item Type Name | Veterinary Diet Canine Renal Support S Dry Dog Food |
Other ROYAL veterinary diets
How it compares
This product against the closest alternatives we track in veterinary diets.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Royal Canin Veterinary Diet Canine Renal Support S Adult Dry Dog FoodThis product | 4.7 / 5 | 405 | 3.8 / 5 |
| Hill's Prescription Diet c/d Multicare Urinary Care Dry Dog FoodHill's | 4.7 / 5 | 2,200 | 4.4 / 5 |
| Pro Plan Veterinary Diets Purina UR Urinary Ox/St Canine Formula Dog Food Dry KibblePro Plan Veterinary Diets | 4.6 / 5 | 453 | 4.1 / 5 |
| Blue Buffalo Natural Veterinary Diet KS Kidney Support Dry Dog FoodBlue | 4.2 / 5 | 413 | 3.8 / 5 |
| Hill's Prescription Diet i/d Low Fat Digestive Care Dry Dog FoodHill's | 4.7 / 5 | 2,000 | 4.4 / 5 |
Similar veterinary diets from other brands
Questions about the ROYAL 561566
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does the Royal Canin Renal Support S diet require a prescription?
Yes, it's a veterinary diet that needs a vet's authorization to purchase and feed.
What flavor is this Royal Canin renal formula?
Chicken.
What size bag does this come in?
A 6 pound (96 ounce) bag.