Studies suggest that dogs eat grass for a variety of reasons that are quite different from one another.

Some experts suggest that some dogs eat grass because they enjoy it, and that eating grass fulfills a dietary need such as eating vegetables for humans. Others suggest that grass-eating dogs are experiencing a dietary imbalance, and missing certain vitamins and minerals, which they seek to regain by eating grass. Many others find that dogs will rush to eat grass when they have an upset stomach. The grass induces vomiting, which eases the pain in the dog's stomach. More »