Gastroade Digestive Supplement Pellets is an excellent digestive supplement that helps prevent gastric upsets and provides the vital nutrients that promote a healthy digestive system for horses. This supplement's unique formula contains calcium and magnesium which neutralize stomach acid and help alleviate gastric distress. Symptoms of gastric distress are mild to severe colic, changes in mood, poor appetite, a drop in performance levels and dull hair coats. This supplement is formulated with Aloe Vera and Kaolin which will help soothe and coat the horse's stomach lining to effectively reduce gastric distress. It also contains Bismuth Subsalicylate which also helps horses deal with a gastric upset. This excellent digestive supplement is a natural, drug-free and economical alternative to costly ulcer treatment options for horses. This product comes in a 5 lb pail and provides a 40-day supply.