Methylxanthines, such as caffeine is dangerous for dogs. Do you know these are found in which kind of foods?

Animal Facts
Chocolate, Macadamia Nuts, Cooked Onions, or anything with Caffeine is harmful to Dogs.
Methylxanthines, such as caffeine is dangerous for dogs. Do you know these are found in which kind of foods?
Chocolate, Macadamia Nuts, Cooked Onions, or anything with Caffeine is harmful to Dogs.