Please note that all food items will be sent separately from other goods ordered. Royal Canin Urinary S/O is ideal for cats that are overweight, which are more at risk of developing mineral stones than cats at their ideal weight so Feline Urinary Moderate Calorie tackles the problems caused by Lower Urinary Tract Disease while allowing for controlled weight loss and weight management. The diet is specially formulated to increase urine volume and increase the acidity of the urine produced. Royal Canin Urinary is a veterinary diet tailored for use in several clinical conditions relating to Lower Urinary Tract Disease and should be used under the guidance of your veterinary surgeon. Royal Canin Feline Urinary S/O Moderate Calorie is a diet which helps to dissolve mineral stones which can be found in the bladder and kidneys of cats and dogs.