 Dennis Black, who created Rough Greens, is also an airborne ranger and green beret. An amazing background. He loves dogs, and he's on a mission to help as many as he possibly can. Dog food is dead food, and Rough Greens supplements your dog's food with the essential vitamins, minerals, omega oils, digestive enzymes, probiotics, and antioxidants. Dr. Black is offering you a free jumpstart trial bag to get back their energy, improve elimination,