 An amazing background. There are so many emails we get of people that love rough greens and say it's done wonders for them and their dog. Dog food is dead and rough green supplements your dog's food with essential vitamins and minerals, omega oils, digestive enzymes, probiotics, and antioxidants. Dr. Black is offering a free jumpstart trial bag. So fetch your free jumpstart trial bag and just cover shipping. Don't change your dog's food. Just add rough greens.