Actively prevent stomach ulcers and the pain and discomfort that often accompanies them by giving your horse ULCERGARD during times of increased stress or exercise. ULCERGARD is the first and only proven non-prescription preventative for Equine Gastric Ulcer Syndrome. No other product is FDA-approved to prevent stomach ulcers in horses. Each tube of ULCERGARD contains four preventative doses for horses weighing between 600 and 1,200 pounds. Two doses are recommended for horses weighing more than 1,200 pounds.