For Horses: Nutritional Supplements, Digestive Support. Prozyme's Horse Formula is a plant derived enzyme, all natural, powdered food supplement utilizing a proprietary formulation of specially cultured enzymes to help break down starches, proteins, fats and fiber. All ingredients are human food grade and generally recognized as safe by the United States Food and Drug Administration. Directions:Use Prozyme Equine Formula with every feeding for the life of your animal. For best results, add 2 teaspoons (weight under 800 lbs.) or 3 teaspoons (weight over 800 lbs.) to each feeding using a dry measuring spoon.Ingredients and Activities:2 teaspoons provides - Amylase 20,000 SKBU, Lipase 2000 LU, Cellulase 500 CCHU, Protease 80GDU.Other Ingredients:Stabilized rice bran alfalfa powder, dried aspergillus oryzae (var.) fermentation product, dried aspergillus niger (var.) fermentation product, and dried bromelain derived from ananas comosus.