way that is somewhat similar to the way we do. Sugar, in the form of glucose, is carried to all of the body’s cells via blood. Your dog may not directly be ingesting sweets, but glucose can come from carbohydrates since carbs consist of long chains of glucose, which breaks down quickly in the body and can raise blood sugar levels.
Colleen Paige — author of The Good Behavior Book for Dogs: The Most Annoying Dog Behaviors … Solved! — believes that dogs may get a sugar high that “can cause a dog to be hyper and unfocused.” She thinks that, in many cases in which dogs appear to be ill-mannered and uncooperative, the dog’s behavior could actually have been influenced by diet.