Royal Canin Urinary Moderate Calorie is a complete dietetic feed for cats formulated to combat Idiopathic cystitis, Struvite urolithiasis, Struvite and calcium oxalate urolithiasis whilst providing a controlled calorie intake.RECOMMENDATIONS: It is recommended that a veterinarians opinion be sought before use or before extending the period of use.URINE DILUTION: Urine dilution makes the urine less liable to form struvite and calcium oxalate uroliths.STRUVITE DISSOLUTION: Helps dissolve struvite uroliths.LOW RSS: Helps lower the concentration of ions contributing to crystal formation.MODERATE CALORIE: Moderate calorie content to help maintain ideal weight.IngredientsMeat and animal derivatives, fish and fish derivatives, cereals, derivatives of vegetable origin, vegetable protein extracts, minerals, oils and fats, various sugars.AdditivesVitamin D3: 170 IU, E1 (Iron): 2 mg, E2 (Iodine): 0.25 mg, E4 (Copper): 2 mg, E5 (Manganese): 0.5 mg, E6 (Zinc): 5 mg, Urine acidifying substances: calcium sulfate: 0.25%.Feeding GuideCat Weight Lean 185 g 1+6/8 pouch 280 g 2+6/8 pouch 370 g 3+6/8 pouch 465 g 4+6/8 pouch 555 g 5/4/8 pouch 650 g 6+4/8 pouch 740 g 7+4/8 pouch 835 g 8+2/8 pouch 925 g 9+2/8 pouch Normal 145 g 1+4/8 pouch 220 g 2+2/8 pouch 290 g 3 pouch 365 g 3+6/8 pouch 435 g 4+2/8 pouch 510 g 5 pouch 585 g 5+6/8 pouch 655 g 6+4/8 pouch 730 g 7+2/8 pouch Overweight - - - - 240 g 2+4/8 pouch 300 g 3 pouch 360 g 3+4/8 pouch 415 g 4+2/8 pouch 475 g 4+6/8 pouch 535 g 5+2/8 pouch 595 g 6 pouch