Trovet Urinary Struvite Dog Dry Food 3Kg Complete dietary food for adult dogs with struvite disorders Urinary Struvite is dietary food, specially formulated to prevent the formation of struvite crystals. Struvite is a common but well treatable condition. Urinary Struvite lowers the urine pH, preventing the formation of struvite crystals. In combination with the lowered mineral content (magnesium), the reoccurrence is further reduced.