They are particularly short of specialist cat and kitten food at present https://www.amazon.co.uk/hz/wishlist/ls/2ROGLYQA3M393?ref_=wl_share&fbclid=IwAR0ixbBXgjbU3h5yi3X5EwOJSwG5vAnPeoypLT34SWK4A3xFx9YjuPKqX4c

Alternatively, you can take food and other items to their shop at 136 Cherry Orchard Road.