Chocolate Chocolate is not inherently poisonous to dogs. The danger has more to do with the quantity they ingest and they type of chocolate. There are 2 compounds in chocolate that are cause for concern, caffeine and theobromine. These are stimulants, and dogs are more sensitive to these compounds than humans are. Two other factors are important. The type of chocolate and the fact dogs will gorge and eat as much as possible in a short amount of time. Milk chocolate has the lo