(HorseTech) High Point Alfalfa Hay Vitamin/Mineral supplement is designed to complement alfalfa-based diets. Will help fortify alfalfa-based diets with the necessary phosphorus, vitamins and trace minerals that may be lacking. With probiotics and prebiotics for a healthy digestive tract and improved nutrient utilization. Feed 3 oz. daily to horses weighing 1000 lbs. or more. Powder.