CONKLIN Fastrack Equine Microbial and Enzyme Pack, 4-Pound Supports your horse's nutritional needs with digestive enzymes; healthy bacteria; prebiotics and so much more Fastrack Equine Microbial & Enzyme Pack helps with the breakdown of grains As an added benefit; horses typically see a boost in immune response Stabilizes the pH of the entire digestive system Reduces muscle recovery time and instances of colic