URINARY S / O is a complete diet food for dogs in order to dissolve struvite uroliths and reduce the recurrence of struvite uroliths, thanks to the acidification properties of urine, its low magnesium content and limited quality but high protein.Recommendations: It is advisable to consult a veterinarian before use. Use the URINARY S / O for 5 to 12 weeks to dissolve struvite uroliths and up to 6 months to limit recurrence of struvite uroliths.Composition: cornflour, rice, animal fats, dehydrated poultry protein, corn gluten, minerals, hydrolyzed animal proteins, fiber, soybean oil, fish oil, fructooligosaccharides, mono- and diglycerol (source of lutein)Detailed Ingredients: Protein: 18%, Fat content: 17%, Inorganic matter: 6.4%, Crude fiber: 2.2%, Calcium 0.5%, Phosphorus 0.5%, Sodium 1.1%, Chlorine 2.14%, Potassium 0.8%, Magnesium 0.04%, Sulfur 0.5%, Calcium Sulfate 0.88%, DL-methionine (0.6%) - EPA and DHA: 0.21%.Additives (per kg): Nutritional additives: Vitamin A: 15500 IU, Vitamin D3: 1000 IU, Iron: 44 mg, Iodine: 4.4 mg, Copper: 13 mg, Manganese: 57 mg, Zinc: 147 mg, Selenium 0.06 mg.