High potency Vitamin C powder for racing, breeding, show & companion animals. Vitamin C is long believed to be beneficial in treating colds & respiratory infections. Now it is reported to greatly enhance the body's natural immunity, help build capillary walls to increase circulation, and help produce collagen. Reported to help decrease incidents of hip displasia in dogs, vitamin C is considered a highly effective way to encourage healthy tissue growth and improve general conditioning. Directions: Horses- 1/2 to 1 teaspoon per day. Dogs- 1/4 teaspoon. Contains 3 lbs.