Description Help your horse feel and perform their best with Purina Outlast. These treats are made from same great formula that Purina's Outlast Gastric support pellets are made from. Made to support optimal gastric pH. Horses love the taste and you will feel great giving them a treat that also supports their digestive system.PRODUCT DETAILS: Supports optimal gastric pH Palatable treat Same formula as Purina Outlast 5 to 6 treats help support optimal gastric pH