>>58840050A. Different reactions to the different flavors, even though it's just flavor (haha) text that doesn't actually do anything.
B. Easter egg food flavor combos, even if it's more flavor (haha) text, like eating too much spicy shit in a row, or eating some weird secret pattern that 100x the Snivy's weight.
C. Combine them into packs, like turning ten bad common ones into a pack/bag to let the Snivy eat more in one go.
D. Sell extra/unwanted food to earn money to buy... something, I dunno. Feeding tubes?
a garden hose?