Used for situations requiring extremely high levels of enzymes and bacteria to be delivered into the intestinal tract. Common situations would be colic, diarrhea, during antibiotic or anti-inflammatory therapy, chemical de-wormings, new foals, foal heat diarrhea, stressful situations such as weaning, trailering, shows or racing. Normally given at 15 cc/day for 10 days, then onto supplement.