4VETS Veterinary Diet Dog - Urinary Tract is a complete dietetic food for dogs with urinary tract problems. Indicated for cystitis and struvite stones caused by low magnesium and protein content, and due to urine acidifying properties. It can be used as a prophylactic food after a reduction in the symptoms of the disease(s). With a low sodium and potassium content, this food positively affects kidney function, accelerating the dissolution of residual stones.