While there are some ‘people' food that cats can eat, there are numerous foods that can make them very sick, including chocolate, grapes, sugar substitutes, and caffeine. For this reason, it is always best to stick to foods and treats that are specifically designed for cats. If you are considering a raw food diet, which involves a certain element of ‘people’ food, it's best to get advice from your local veterinarian before making any purchases for your cat.
Take a look at our review of Cat Treats for more info.