Provides valuable nutritional support to the respiratory mucosal immune system and the delicate capillary blood vessels that surround the lungs. Contains a high concentration of procyanadins with ortho pherolic groups which are particularly potent antioxidants. Recommended for horses with hypersensitivities to external airborne irritants such as dust, spores, mould and pollen. Ingredients: Alfalfa meal, Vitamin C, N-acetyl cysteine, L-glutamine, Multiple sourced antioxidant micronutrients