Derived from the roasted seeds of the cacao plant, certain properties in chocolate can be toxic to cats when they’re ingested, specifically, caffeine and theobromine. Eating these ingredients can lead to a number of medical complications—some of which may be serious—in your cat.
A quote from PetMD:
Derived from the roasted seeds of the cacao plant, certain properties in chocolate can be toxic to cats when they’re ingested, specifically, caffeine and theobromine. Eating these ingredients can lead to a number of medical complications—some of which may be serious—in your cat.