Not available in Quebec. Hoffman Horse Mineral horse mash supplement provides a complete vitamin and mineral-balanced diet. It is indicated for immune health and increased performance for all stages of your horses' lives, from foal to breeding age to senior. Formulated to supplement good-quality forage, this horse food supplement can also be used as a top-dress for your horses' daily grain ration. The formula contains digestion aids that help to reduce incidence of ulcers.