Royal canin feline vet care nutrition neutered weight balance is a dietary wet cat food that has been formulated for sterilised cats from a veterinary point of view neutering is a sensible step and a responsible part of cat care it can help to reduce stress for your cat as well as double its life expectancy neutering causes changes in a cats metabolism too and an unfortunate side effect of this can be excess weight gain and urinary tract complaints royal canin feline neutered weight bal