All natural dietary supplement which helps calm and quiet hyper, nervous or stressed horses. This unique formula combines natural supplemental calcium and magnesium, commonly know as antacids, with the protective prop. Horses of all classes and ages feed 1 to 2 tablespoons per 1000lbs of body weight. Size is 2 Pound. Dimensions are 0.8 X 0.8 X 0.5 Contains: Natural Antioxidants, High Level Of Vitamin E. UPC Code = 694244904516