---
product_id: 60091052
title: "Purina UR Urinary St/Ox Feline Formula Dry Cat Food - 6 lb. Bag"
brand: "pro plan veterinary diets"
price: "$174.71"
currency: USD
in_stock: true
reviews_count: 13
category: "Pro Plan Veterinary Diets"
url: https://www.desertcart.us/products/60091052-purina-ur-urinary-st-ox-feline-formula-dry-cat-food
store_origin: US
region: United States of America
---

# Increases urine volume to dilute minerals High-quality protein for balanced nutrition Dissolves struvite and calcium oxalate crystals Purina UR Urinary St/Ox Feline Formula Dry Cat Food - 6 lb. Bag

**Brand:** pro plan veterinary diets
**Price:** $174.71
**Availability:** ✅ In Stock

## Summary

> 💎 Keep your cat’s urinary health crystal clear with Purina Pro Plan UR!

## Quick Answers

- **What is this?** Purina UR Urinary St/Ox Feline Formula Dry Cat Food - 6 lb. Bag by pro plan veterinary diets
- **How much does it cost?** $174.71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/60091052-purina-ur-urinary-st-ox-feline-formula-dry-cat-food)

## Best For

- pro plan veterinary diets enthusiasts

## Why This Product

- Trusted pro plan veterinary diets brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Vet-Backed Formula:** Developed by Purina nutritionists and veterinarians for trusted care
- • **Dilution Power Boost:** Promotes increased urine volume for a healthier bladder environment
- • **All Life Stages Ready:** Safe and effective nutrition for cats at every age
- • **Premium Protein Punch:** Supports overall health with high-quality protein and essential nutrients
- • **Crystal Clear Urinary Health:** Clinically formulated to reduce and dissolve urinary stones

## Overview

Purina Pro Plan Veterinary Diets UR Urinary St/Ox Feline Formula is a vet-recommended dry cat food designed to prevent and dissolve urinary crystals and stones. It increases urine volume to dilute minerals, reduces the risk of struvite and calcium oxalate stone recurrence, and provides balanced nutrition with high-quality protein suitable for all life stages.

## Description

Purina Pro Plan Veterinary Diets UR Urinary St/Ox Feline Formulas are made with high-quality ingredients and formulated to help reduce the risk of urinary stone formation. The science behind our therapeutic diets represents a collaboration between Purina nutritionists, researchers and veterinarians.

Review: Good quality product - Vet recommended this for our older cat that was having some calcium build up in her bladder. She has been on it for 6 months now and doing great! Worth the money.
Review: Effective urinary health formula worth the cost - After switching my cat to this prescription formula, I've noticed a significant improvement in his urinary health. The kibble is formulated by Purina nutritionists and veterinarians to create a urinary environment that helps dissolve struvite crystals and reduce the risk of forming new stones. It uses high2-quality ingredients and increases urine volume to dilute minerals, while providing complete and balanced nutrition in a manageable 620 bag. My cat enjoys the taste32, and he hasn't had any crystals or discomfort since being on this diet. Although it's more expensive than regular food, the peace of mind and my cat's comfort makes it worth the price.

## Features

- Promotes a urinary environment unfavorable to the development of struvite and calcium oxalate crystals
- Helps dissolve struvite stones
- Helps reduce the risk of both struvite and calcium oxalate stone recurrence
- Promotes increased urine volume to dilute the urine
- High-quality protein

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0721NKV84 |
| Additional Features | Urinary Stone Prevention and Dissolution, Increased Urine Volume |
| Age Range (Description) | All Life Stages |
| Age Range Description | All Life Stages |
| Allergen Information | Allergen-Free |
| Animal Food Diet Type | Veterinary Diet |
| Best Sellers Rank | #7,390 in Pet Supplies ( See Top 100 in Pet Supplies ) #12 in Veterinary Diet Cat Food #287 in Dry Cat Food |
| Brand | Pro Plan Veterinary Diets |
| Brand Name | Pro Plan Veterinary Diets |
| Breed Recommendation | All Breed Sizes |
| Container Type | Bag |
| Customer Reviews | 4.7 out of 5 stars 337 Reviews |
| Flavor | Unflavored |
| Global Trade Identification Number | 00038100138309, 10038100138306 |
| Included Components | (1) 6 lb. UR StOx Urinary Feline Formula |
| Item Form | Kibble |
| Item Type Name | Cat Food |
| Item Weight | 6 Pounds |
| Manufacturer | Nestle Purina Pet |
| Manufacturer Part Number | 00038100138316 |
| Model Number | 00038100138306 |
| Number of Items | 1 |
| Occasion | Birthday |
| Package Size Name | 6 Pound |
| Pet Type | Cat |
| Product Benefits | Promotes urinary health by reducing crystal formation |
| Recommended Uses For Product | Feline Urinary Tract Health |
| Special Ingredients | taurine, fish oil |
| Specific Uses For Product | FLUTD; Urinary Tract Health; |
| Target Species | Cat |
| UPC | 038100138309 |
| Unit Count | 6 Pounds |
| Warranty Description | Purina guarantees outstanding quality and taste. If for any reason you’re not satisfied, simply let Purina know why. Please contact Purina directly at (800) 778-7462 within 60 days of date on receipt for assistance. Or, feel free to mail your original purchase receipt with the price circled, a brief explanation of why you were dissatisfied with our products, the “Best If Used By” date box from the… |

## Product Details

- **Age Range (Description):** All Life Stages
- **Brand:** Pro Plan Veterinary Diets
- **Flavor:** Unflavored
- **Item Form:** Kibble
- **Specific Uses For Product:** FLUTD; Urinary Tract Health;

## Images

![Purina UR Urinary St/Ox Feline Formula Dry Cat Food - 6 lb. Bag - Image 1](https://m.media-amazon.com/images/I/71W5-vg3A-L.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality product
*by B***Y on January 5, 2026*

Vet recommended this for our older cat that was having some calcium build up in her bladder. She has been on it for 6 months now and doing great! Worth the money.

### ⭐⭐⭐⭐⭐ Effective urinary health formula worth the cost
*by C***E on March 30, 2026*

After switching my cat to this prescription formula, I've noticed a significant improvement in his urinary health. The kibble is formulated by Purina nutritionists and veterinarians to create a urinary environment that helps dissolve struvite crystals and reduce the risk of forming new stones. It uses high2-quality ingredients and increases urine volume to dilute minerals, while providing complete and balanced nutrition in a manageable 620 bag. My cat enjoys the taste32, and he hasn't had any crystals or discomfort since being on this diet. Although it's more expensive than regular food, the peace of mind and my cat's comfort makes it worth the price.

### ⭐⭐⭐⭐⭐ Excellent Product, VERY expensive
*by A***R on February 4, 2026*

Excellent product, VERY expensive

## Frequently Bought Together

- Purina Pro Plan Veterinary Diets UR Urinary St/Ox Feline Formula Dry Cat Food - 6 lb. Bag
- Purina Pro Plan Veterinary Diets UR Urinary St/Ox Savory Selects Wet Cat Food Variety Pack - (Pack of 24) 5.5 oz. Cans
- Purina Pro Plan Veterinary Diets Urinary Health Cat Treats - 1.8 oz. Bag

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/60091052-purina-ur-urinary-st-ox-feline-formula-dry-cat-food](https://www.desertcart.us/products/60091052-purina-ur-urinary-st-ox-feline-formula-dry-cat-food)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-08*