A senior cat may need additional building blocks in its last years of life. If your cat has any of the following symptoms, it may be a good idea to support your cat with Purely Choline Extra: Less alert and exhibiting aimless behaviour. No longer greets you enthusiastically. Meows a lot and loudly at night. Reduced grooming. Disoriented. Reduced appetite. No longer able to find the litter box. Poorer hearing. Change in character and behaviour. No longer wants to be quoted or comes to ask for attention.