(Med-Vet Pharmaceuticals) The combination of live yeast cultures and lactic acid bacteria makes this a great supplement to any ration for energy, weight gain and improved skin/hair coats. Contains 60% fat from extruded grains, and animal fat (pork) 12% crude protein, 6% crude fiber, calcium, phosphorus and essential oils. Feed adult horses 2-4 oz. daily. Scoop included.