While many human foods, especially fruits and vegetables, are perfectly safe, some are very unhealthy and downright dangerous to dogs. Dogs Carrots · Can Dogs Eat Apples? · Can Dogs Eat Grapes? · Can Dogs Eat Celery? If you're on the lookout for new and fun ways to rev up your furry best friend's diet, adding vegetables can be a really healthy way to do that. You might not think fruits and vegetables for dogs would be controversial but it is! (Note: Healthy foods nourish your dog from the inside out and give her.