According to the ASPCA, cinnamon is safe for dogs to eat. When cinnamon is given to dogs in moderation, it offers a variety of health benefits.
Cinnamon has been known to treat a variety of issues in dogs. According to The Good Dog Food Company, a dose of cinnamon each day helps treat arthritis and joint stiffness. Cinnamon can also help regulate blood in dogs that are pre-diabetic or diabetic. It is proven to help relieve pain for dogs suffering from cancer. Furthermore, it can also help to raise energy levels. Although beneficial in small amounts, large doses of cinnamon can cause upset stomachs for dogs.