Has been specially formulated with aspergil-lus oryzae, a beneficial microflora that secretes enzymes in the horse's digestive system to aid in the breakdown and absorption of vital nutrients. One ounce of Digest Aid can help "poor keepers" maintain peak condition on less grain, improve digestion of cellulose and high protein hays, ease adjustment to feed changes and aid in restoring normal digestion after stress or sickness. Contents are in a powder form.