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 safe for my kittens? Do I need to give my cat any other food besides Lovebug™ cat food? Can I alternate freely between feeding my cat Lovebug™ cat food and meat-based cat food? Comments 0 comments Article is closed for comments.