Complete Vegetable Nutrients. Barley grass contains active enzymes, vitamin C & E, beta-carotene, amino acids, chlorophyll, proteins and essential trace minerals. Regular use promotes healthy skin and coat, freshens breath, improves digestion and restores energy levels - especially among senior dogs. You'll notice a difference or we'll give you your money back guaranteed! Give your dog a maximum health with great tasting super green nutrition. Barley Dog is the original green supplement made from juice of young Barley grass with a bacon-like flavor. Guaranteed Analysis: Crude Protein not less than 22.0%, Crude Fat not less than 1.0% Crude Fiber not more than 3.0%, Moisture not more than 7.0%.