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Purina Tidy Cats Naturally Strong cat litter.

Advanced Urinary Support

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. UR Urinary St/Ox is available in several flavor and texture varieties to help you find her favorite.

Great taste illustration products made with flavors and textures to ensure adequate nutrient intake

Great Taste and Texture

Every product is made not just with the specific nutrition she needs, but flavors and textures to help ensure adequate nutrient intake.

Made by Experts

The science behind this nutrition represents a collaboration among a network of scientists, including veterinarians and nutritionists.

Exceptional Quality

In a typical production day, Purina conducts 100,000+ quality checks involving ingredient & packaging, receiving, processing and packing.

Responsible Sourcing

Each ingredient can be traced back to its trusted supplier. They're not just monitored at factories—quality is evaluated from the source.

Product comparison chart. Products are listed in columns, features in rows.
Product images and names	UR Urinary St/Ox Dry Kibble	UR Urinary St/Ox Canned Loaf	UR Savory Selects Urinary St/Ox Turkey and Giblet Recipe in Sauce	UR Savory Selects Urinary St/Ox Variety Pack	Urinary Health Treats
Features
About	Promotes a urinary environment unfavorable to the development of struvite and calcium oxalate crystals	Promotes a urinary environment unfavorable to the development of struvite and calcium oxalate crystals	Promotes a urinary environment unfavorable to the development of struvite and calcium oxalate crystals	Promotes a urinary environment unfavorable to the development of struvite and calcium oxalate crystals	Supports urinary health
Key Benefits	Helps dissolve struvite stones	Helps dissolve struvite stones	Helps dissolve struvite stones	Helps dissolve struvite stones	High-quality protein
Health Features	Promotes increased urine volume to dilute the urine	Contains significant moisture, contributing to total water intake	Contains significant moisture, contributing to total water intake	Contains significant moisture, contributing to total water intake	Contains antioxidants
Texture	Dry kibble	Canned loaf	Chunks in sauce	Chunks in Sauce, in two flavors	Crunchy treats

Product comparison chart. Products are listed in columns, features in rows.
Feature names	About	Key Benefits	Health Features	Texture
UR Urinary St/Ox Dry Kibble	Promotes a urinary environment unfavorable to the development of struvite and calcium oxalate crystals	Helps dissolve struvite stones	Promotes increased urine volume to dilute the urine	Dry kibble
UR Urinary St/Ox Canned Loaf	Promotes a urinary environment unfavorable to the development of struvite and calcium oxalate crystals	Helps dissolve struvite stones	Contains significant moisture, contributing to total water intake	Canned loaf
UR Savory Selects Urinary St/Ox Turkey and Giblet Recipe in Sauce	Promotes a urinary environment unfavorable to the development of struvite and calcium oxalate crystals	Helps dissolve struvite stones	Contains significant moisture, contributing to total water intake	Chunks in sauce
UR Savory Selects Urinary St/Ox Variety Pack	Promotes a urinary environment unfavorable to the development of struvite and calcium oxalate crystals	Helps dissolve struvite stones	Contains significant moisture, contributing to total water intake	Chunks in Sauce, in two flavors
Urinary Health Treats	Supports urinary health	High-quality protein	Contains antioxidants	Crunchy treats

Trusted Therapeutic Nutrition

Purina Pro Plan Veterinary Diets is committed to the health of every pet, especially those with unique nutritional needs. This advanced nutrition has been established through decades of research and supported by a global network of scientists. This knowledge and experience have laid the groundwork for innovative therapeutic products that are trusted by pet owners and veterinary professionals.