ADVANCE VETERINARY DIETS FELINE URINARY is a complete dietetic food for adult cats, formulated with urine subsaturation properties for struvite, urine acidification properties and a low level of magnesium, indicated for the dissolution of struvite stones and the reduction of struvite stone recurrence. Benefits COMPLETE AND BALANCED DIET: For long-term daily nutrition. MODERATE URINARY URINE pH ACIDIFICATION: Reduces the risk of struvite crystal formation. LOW MAGNESIUM LEVEL: Hinders the formation of struvite stones. OPTIMUM CONCENTRATION OF SODIUM AND POTASSIUM: Helps to increase urine volume and its dissolution. .