What Not To Feed Your Aging Cat. Add “smelly” things like tuna juice to their food, or consider trying a different flavor of their favorite foods. Catching something that is causing your cat to lose weight or not eat early will be beneficial to their overall health in the long run.

Catching something that is causing your cat to lose weight or not eat early will be beneficial to their overall health in the long run. An older cat who can’t smell very well anymore is often unlikely to eat. Cats should not eat onions, garlic, shallots, chives, or other foods that contain thiosulphate, a compound that can cause serious problems.
