Royal Canin Veterinary Urinary S/O LP 18 is a nutritionally complete dog food designed to dissolve kidney and bladder stones and help minimise the chance of them reoccurring. With reduced magnesium and carefully controlled quality proteins, LP 18 works to dissolve and prevent struvite uroliths and struvite or calcium oxalate urolithiases as well as bacterial cystitis.The low RSS formulation in Veterinary Urinary S/O LP 18 helps to dilute the urine and reduces the concentration of ions, helping to remove leading factors in the formation of kidney and bladder stones. We recommend that you seek an opinion from a veterinarian before beginning this diet. Please do not feed Veterinary Urinary S/O LP 18 to pregnant or lactating dogs, puppies, or dogs with chronic renal failure, metabolic acidosis, pancreatitis, heart failure, or hyperlipidaemia.IngredientsMeat and animal derivatives (chicken and pork meat), oils and fats (sunflower oil, fish oil), cereals (corn flour, corn starch), derivatives of vegetable origin (cellulose, gelling agent, marigold extract), minerals, various sugars (caramel).Analytical ConstituentsCrude ash: 2%. Crude fibre: 1.4%. Crude oil fats: 6%. Moisture: 78%. Protein: 8%.AdditivesVitamin D3: 190 IU, E1 (Iron): 3.4 mg, E2 (Iodine): 0.24 mg, E4 (Copper): 2 mg, E5 (Manganese): 1 mg, E6 (Zinc): 10 mg, Urine acidifying substances: calcium sulfate: 0.25%. Technological additives: (acidity regulator) sodium bisulfate: 0.56 g.Analysis TableWet Can FormulaArachidonic acid (%) 0.04Ash (%) 1.5Biotin (UI/kg) 0.09Calcium (%) 0.24Fibre (%) 1.5Dietary fibre (%) 2.3DL-methionine (%) 0.14EPA/DHA (%) 0.34Fat (%) 8.0Linoleic acid (%) 2.0Lutein (mg/kg) 6.0Metabolisable energy (calculated according to NRC85) (kcal/kg) 1275.0Metabolisable energy (measured) (kcal/kg) 1344.0Methionine Cystine (%) 0.25Moisture (%) 72.0Nitrogen-free extract (NFE) (%) 11.0Omega 3 (%) 0.45Omega 6 (%) 2.5Phosphorus (%) 0.25Protein (%) 6.0Starch (%) 10.2Taurine (mg/kg) 1900.0Vitamin A (UI/kg) 3500.0Vitamin E (mg/kg) 200.0Feeding GuideWet Can FormulaDog\'s weight 2 kg 195 g 1/2 can 155 g 1/4 can 115 g 1/4 can 5 kg 380 g 1 can 305 g 3/4 can 230 g 1+2 can 10 kg 630 g 1+1/2 can 505 g 1+1/4 can 380 g 1 can 15 kg 850 g 2 can 680 g 1+1/2 can 510 g 1+1/4 can 20 kg 1045 g 2+1/2 can 835 g 2 can 630 g 1+1/2 can 25 kg 1230 g 3 can 985 g 2+1/4 can 740 g 1+3/4 can 30 kg 1405 g 3+1/4 can 1125 g 2+3/4 can 845 g 2 can 35 kg 1575 g 3+3/4 can 1260 g 3 can 945 g 2+1/4 can 40 kg 1735 g 4+1/4 can 1390 g 3+1/4 can 1040 g 2+1/2 can