
Purina ONE Urinary Tract Health Cat Food Review 2026: Affordable Care
Our review of Purina ONE +Plus Urinary Tract Health dry cat food. Explore urinary pH balance, low magnesium formulation, and cat acceptance.
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Feline Lower Urinary Tract Disease (FLUTD) is one of the most common and painful conditions affecting cats. While prescription diets can cost $90+ a bag, Purina ONE +Plus Urinary Tract Health provides an effective over-the-counter preventative formula.

Purina ONE +Plus Urinary Tract Health Formula Dry Cat Food
Key Features
- ✓Reduces urinary pH
- ✓Low dietary magnesium (0.08%)
- ✓Real chicken is #1 ingredient
- ✓Added omega-6 fatty acids
Pros
- +Significantly cheaper than prescription urinary diets
- +Real chicken first ingredient provides 31% protein
- +Helps prevent struvite crystal formation
Cons
- −Not a replacement for clinical emergency blockage care
- −Contains corn gluten meal and brewer's rice
How It Protects the Feline Urinary Tract
The food is scientifically formulated to maintain an optimal low-acid urinary pH and strictly limits dietary magnesium to 0.08%, creating an environment where crystals struggle to form.
Taste & Palatability
Many prescription urinary diets are notorious for being rejected by picky cats. Purina ONE's crunchy kibble and real chicken formulation had a 100% acceptance rate in our multi-cat test panel.
Final Verdict
Purina ONE Urinary Tract Health is an affordable, effective preventative diet that protects your cat's bladder health without the steep prescription price tag.
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