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  • Preferred Protein: Chicken

Recommended use for: dietary management of struvite stones, support for feline lower urinary tract disease


Struvite management formula

  • Well-balanced mineral and optimal protein content
  • Control of urinary pH (acidification) and relative supersaturation (RSS) of struvites
  • URINARY TRACT HEALTH COMPLEX – advanced combination supporting the physiological functioning of the urinary tract:
    • Unique herbal blend (lingonberry & nettle & silver thistle)
    • Omega 3 (from salmon oil, algae and green lipped mussel)
    • Vitamins & antioxidants (polyphenols and flavonoids from green tea and turmeric)

Package: 2 kg


Composition: Rice (35 %), chicken protein (30 %), chicken fat (preserved with tocopherols), pea protein, dried apples, sodium chloride, salmon oil, brewer´s yeast, hydrolysed chicken liver, algae (1 %, Schizochytrium limacinum), treated yeast culture, calcium sulphate (0.5 %, urine acidifying substance), dried herbal mix of Vaccinium vitis-idaea, Urtica dioica, Carlina acaulis (2,500 mg/kg), glucosamine (260 mg/kg), fructo-oligosaccharides (220 mg/kg), β-glucans (200 mg/kg), mannan-oligosaccharides (180 mg/kg), chondroitin sulphate (160 mg/kg), Mojave yucca (150 mg/kg), turmeric & green tea extracts (a source of polyphenols 80 mg/kg & flavonoids 40 mg/kg), green-lipped mussel extract (100 mg/kg), Lactobacillus acidophilus HA – 122 inactivated (15x109 cells/kg).

Analytical constituents: crude protein 32 %, crude fat 15 %, crude fiber 2.5 %, crude ash 8 %, omega-3 fatty acids 0.5 %, omega-6 fatty acids 2 %, calcium 0.7 %, phosphorus 0.6 %, sodium 1.1 %, magnesium 0.06 %, potassium 0.6 %, chlorides 1.5 %, sulphur 0.5 %, hydroxyproline 0.4 %, taurine 0.25 %, vitamin D3 500 I.U./kg

Metabolizable energy value: 3,755 kcal/kg – 15.72 MJ/kg

Nutritional additives per 1 kg: vitamin A (3a672a) 20,000 I.U., vitamin D3 (3a671) 500 I.U., vitamin E (3a700) 600 mg, choline chloride (3a890) 2,000 mg, biotin (3a880) 3 mg, calcium-D-panthothenate (3a841) 65 mg, niacinamide (3a315) 80 mg, organic zinc (3b606) 120 mg, organic iron (3b106) 60 mg, organic manganese (3b504) 60 mg, organic copper (3b406) 3 mg, potassium iodide (3b201) 4 mg, organic selenium (3b810) 0.2 mg, taurine (3a370) 2,500 mg, L-methionine (3c305) 2,000 mg, L-tryptophan (3.4.1) 1,000 mg, L-carnitine (3a910) 500 mg
Contains EU approved natural antioxidants: tocopherol extracts from vegetable oil (1b306(i)), ascorbyl palmitate (1b304) & rosemary extract.

Suggested feeding quantity

Adult cat weight (kg)










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Feeding instructions

Feeding instructions: Complete feed with urine undersaturating properties for struvite and urine acidifying properties. It is recommended that advice from a veterinarian be sought before use and before extending the period of use.  

Recommended length of time: for struvite dissolution 5 to 12 weeks, for reduction of struvite stone recurrence initially up to 6 months. Feed the food dry or slightly moistened. Water should be available at all times. Recommended daily amounts are shown in the feeding table and should be adapted to the actual condition.

Veterinary Diets

Calibra veterinary diets help resolve some of the most common health issues in dogs and cats. The recipes include more than just dry food. For those pets who have physiological issues regarding digestibility and whose biggest problem is consuming food in granule form, we also offer an alternative in the form of canned food.

The canned food line is conceptually based on the same philosophy as that of the dry foods, and the canned and dry foods can be freely interchanged. What makes Calibra veterinary diets effective is their emphasis on respecting the most recent independent studies as well as the use of the highest quality ingredients.

Calibra veterinary diets address health issues in pets relating to the liver, skin and coat, the stomach and intestines, the urinary tract, diabetes and obesity, the kidneys and heart, as well as joints and overall regeneration.