What age cats is Lovebug™ cat food suitable for? Updated 29 April 2021 14:35 Adult cats. Cats are generally considered to be an adult when reaching one year old. Related articles Is Lovebug™ cat food suitable for senior cats? Is Lovebug™ cat food safe for my kittens? What makes Lovebug™ cat food unsuitable for kittens? Are there any cats that should not eat Lovebug™ cat food e.g. those with any existing health conditions? Is it suitable for cats with conditions, for example weight or food sensitivity?