Hill's PRESCRIPTION DIET c/d Multicare Stress Cat Food with Chicken is a complete dietetic pet food for reduction of struvite stone recurrence (cause of feline lower urinary tract disease, FLUTD), for dissolution of struvite stones and for reduction of oxalate stones formation in adult cats. This food has urine undersaturating properties for struvite, urine alkalising properties and contains low levels of magnesium, calcium and vitamin D.