A supplement designed to meet the horse's nutritional needs during the high-risk season and during significant changes (cold weather, changes to stable mates, weaning, etc.), as well as for weaker horses. Contains Echinacea and Glucafeed®, an ingredient studied in horses that boosts the immune system. Help your clients plan ahead for high-risk periods with young foals, horses in intensive training, and changes in the horse's environment. IMMUNO RS is also recommended to help prevent potential loss of condition. 50-day supply.