Hill's Prescription Diet Feline c/d Cans 156g x 24 Feline Lower Urinary Tract Disease, struvite crystalluria For the nutritional treatment of cats with struvite-related feline lower urinary tract disease (FLUTD). FLUTD is a condition often associated with the formation of crystals in the urinary tract that can cause numerous painful symptoms for your cat. The two most common types of crystals that form in the cat's urinary tract are struvite and oxalate. Prescription Diet Feline c/d has been formulated to provide nutritional treatment for cats with FLUTD-related struvite. Struvite crystals generally form as a reaction to urine saturated with magnesium, ammonium, and phosphorus combined with an alkaline urinary pH. In a pack of 24 cans of 156Grs Main ingredients Meat and animal by-products, cereals, vegetable by-products, oils and fats, minerals, and yeasts. Urine acidifiers: DL-methionine, potassium chloride, choline chloride, sodium chloride, dicalcium phosphate, calcium sulfate. additives -Vitamin D3 248mg/kg -Chloride 0.19mg/kg -Iodine 0.39mg/kg -Magnesium 0.02mg/kg -Manganese 3.9mg/kg -Zinc 55mg/kg -Iron 42.1mg/kg Analytics -Proteins 11% -Fats 5.2% -Fibers 0.32% -Ashes 1.7% -Potassium 0.23% -Sodium 0.09% -Phosphorus 0.2% -Humidity 74.8% -Calcium 0.2%