Equilibrium Optimal is a low calorie, low sugar/starch tableted food, providing a significant amount of protein, vitamins and minerals up to 5 times more concentrated in vitamins and minerals than most complete feeds. This extra charge complete compensator can also be served as a single concentrate. Equilibrium Optimal is formulated for mares broodmares as well as for growing foals, sport and leisure horses , including ponies and miniature horses. This recommendation applies when typical hay (grass hay) of good quality for horses is fed.